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MTB > Maintenance > Flashcards

Maintenance Flashcards

1
Q

non-drive-side cup in the bottom bracket. Removed for maintenance of the bottom-bracket spindle and bearings, and it adjusts the bearings. Sometimes also applied to the top cup of the headset.

A

adjustable cup

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2
Q

a style of headset that allows the use of a fork with a threadless steering tube

A

AheadSet

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3
Q

also known as an allen wrench or hex key

A

allen key

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4
Q

another term for mountain bike

A

all-terrain bike (ATB)

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5
Q

a bolt securing a cable to a component

A

anchor bolt or cable anchor, cable anchor bolt, cable-fixing bolt

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6
Q

an American bicycle component company and parent company of Manitou

A

Answer Products

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7
Q

a brake manufacturer, a subsidiary of SRAM

A

Avid

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8
Q

a shaft around which a part turns, usually on bearings or bushings

A

axle

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9
Q

a length of a hub axle from dropout to dropout, referring to the distance from locknut face to locknut face

A

axle overlock dimension

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10
Q

a set of balls, generally made out of steel or ceramic, rolling in a track to allow a shaft to spin inside a cylindrical part

A

ball bearing

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11
Q

a short handlebar extension clamped onto the end of the handlebar and extending approximately perpendicular to it

A

bar end

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12
Q

a threaded cable stop that allows for fine adjustment of cable tension. Commonly found on rear derailleurs, shifters, brake levers, and dropper-post levers

A

barrel adjuster

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13
Q

a conical part with a bearing race around its circumference. It presses the ball bearings against the bearing race inside the bearing cup.

A

bearing cone

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14
Q

a polished, dish-shaped surface inside which ball bearings roll. The bearings roll on the outside of a bearing cone that presses them into their track inside this

A

bearing cup or headset cup

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15
Q

a track or surface on which the bearings roll. It can be inside a cup, on the outside of a cone, or inside a cartridge bearing

A

bearing race

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16
Q

a bolt clamping a seatpost in a frame, a bar end to a handlebar, a stem to a handlebar, or securing a threadless steering tube

A

binder bolt

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17
Q

to run out of fuel for the human body so that the ability to continue strenuous activity is impaired. The state of having such low blood sugar from insufficient intake of calories that the ability to perform is impaired

A

bonk

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18
Q

an assembly that allows the crank to rotate. Generally this includes bearings and an axle and on older bikes may include a fixed cup, an adjustable cup, and a lockring

A

bottom bracket (BB)

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19
Q

the vertical distance between the center of the bottom bracket and a horizontal line passing through the wheel-hub centers. Equal to the wheel radius minus the bottom bracket height.

A

Bottom-bracket drop

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20
Q

the height of the center of the bottom-bracket spindle above the ground

A

bottom-bracket height

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21
Q

a cylindrical housing at the bottom of a bicycle frame through which the bottom-bracket axle passes

A

bottom-bracket shell

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22
Q

a mechanical device that decelerates or stops the motion of the wheel through friction

A

brake

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23
Q

an arch-shaped part bolted to the ends of the brake bosses to reduce the flex of the bosses and seatstays when the cantilever or V-brakes are applied

A

brake booster

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24
Q

a fork or frame-mounted pivot for a brake arm

A

brake boss, or brake pivot, brake post, cantilever boss, cantilever pivot, cantilever post

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25
Q

a brake part fixed to the frame or fork containing moving parts attached to brake pads that stop or decelerate a wheel

A

brake caliper

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26
Q

a block of rubber or similar material used to slow the bike by creating friction on the rim, disc or other surface

A

brake pad or brake block

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27
Q

a metal pad holder that secures the brake pad to the brake arm

A

brake shoe

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28
Q

a generic term for most metal frame attachments, even those not brazed but rather welded or glued to the frame

A

braze-on boss

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29
Q

a method commonly used to construct steel bicycle frames. Involves the use of brass or silver solder to connect frame tubes and attach various items to the frame

A

brazing

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30
Q

a metal or plastic sleeve that acts as a simple bearing in pedals, suspension forks, rear shocks and shock-mounting points, suspension swingarm, derailleur pivots, and jockey wheels

A

bushing

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31
Q

a common type of frame tubing with varying wall thicknesses. Designed to accommodate high-stress points; ends of the tubes are thicker and other sections are thinner to reduce weight

A

butted tubing

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32
Q

wound or braided wire strands used to operate brakes and derailleurs

A

cable or inner wire

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33
Q

a cap on the end of a cable that keeps it from fraying

A

cable end cap

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34
Q

cable stop on a stem, headset washer, fork, or seatstay arch used to stop the brake cable housing for a cantilever or U-brake

A

cable hanger

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35
Q

a metal-reinforced exterior sheath through which a cable passes

A

cable housing or outer wire

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36
Q

a fitting on the frame, for, or stem at which a cable-housing segment terminates

A

cable stop or cable boss or cable-housing stop or outer wire stop

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37
Q

two guiding plates through which the chain travels. Both the front and rear derailleurs have this. on the rear also holds the jockey pulleys.

A

cage

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38
Q

an Italian bicycle component company

A

Campagnolo

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39
Q

American bicycle-component company and originator of the threadless headset

A

Cane Creek, originally Dia-Compe USE

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40
Q

a cable-operated rim brake consisting of two opposing arms pivoting on frame- or fork- mounted posts. Pads mounted to each brake arm are pressed against the braking surface of the rim via cable tension from the lever

A

cantilever brake

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41
Q

ball bearings encased in a cartridge consisting of steel inner and outer rings, ball retainers, and sometimes bearing covers

A

cartridge bearing

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42
Q

a group of cogs that mounts on a freehub; also, a group of chainrings that mounts on a spiderless crankarm

A

cassette

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43
Q

a series of metal links held together by pins and used to transmit energy from the crank to the rear wheel

A

chain

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44
Q

a single unit of a bicycle chain consisting of four plates with a roller on each end and in the center

A

chain link

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45
Q

a dragging of the chain by the chainring past the release point at the bottom of the chainring. The chain can be dragged upward until it is jammed between the chainring and the chainstay

A

chain suck

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46
Q

a flat piece of steel, usually attached to two lengths of chain. This tool is used to remove the rear cogs on a freehub or freewheel

A

chain whip or chain wrench

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47
Q

an imaginary line connecting the center of the middle chainring with the middle of the cogset. Should be straight and parallel to the vertical plane passing through the center of the bicycle. Measured as the distance from the center of the seat tube to the center of the middle chainring.

A

Chainline

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48
Q

a multiple-tooth sprocket attached to the right crankarm

A

chainring

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49
Q

a tool used to secure the chainring nuts while tightening the chainring bolts

A

chainring-nut tool

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50
Q

a frame tube on a bicycle connecting the bottom-bracket shell to the rear dropout and hence to the rear hub axle

A

chainstay

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51
Q

a C-shaped or spiral ring that fits in a groove to hold two cylindrical parts together

A

circlip or Jesus clip, or snapring

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52
Q

a pedal that relies on spring-loaded clips to grip a cleat attached to the bottom of the rider’s shoe without the use of toeclips and straps

A

clip-in pedal or clipless pedal

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53
Q

a sprocket located on the drive side of the rear hub

A

cog

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54
Q

a diminishment of the speed of compression of a spring on impact by hydraulic or mechanical means

A

compression damping

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55
Q

a threaded conical nut that serves to hold a set of bearings in place and also provides a smooth surface upon which those bearings can roll. can also refer to the conical member of any cup-and-cone ball-bearing system

A

cone

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56
Q

the distance between the centerline of the bottom-bracket spindle and the centerline of the pedal axle

A

crank length

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57
Q

a lever attached at the bottom-bracket spindle and to the pedal used to transmit a rider’s energy to the chain

A

crankarm

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58
Q

a bolt attaching the crank to the bottom-bracket spindle on a cotterless drivetrain

A

crankarm anchor bolt

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59
Q

an assemble that includes a bottom bracket, two crankarms, a chainring set, and accompanying nuts and bolts

A

crankset

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60
Q

a flat, open-end wrench head with a square hole at its base to accept the drive stub of a socket wrench or torque wrench

A

crowfoot wrench or socket or crow’s foot

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61
Q

a cup-shaped bearing surface that surrounds the bearings in a bottom bracket, headset, or bug. Also, the upper part of the shaft-eyelet assembly of a rear shock (the big end of the shock)

A

cup

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62
Q

a mechanism in a suspension fork or shock that reduces the speed of the spring’s oscillation movement

A

damper or damping cartridge

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63
Q

a reduction in speed of the oscillation of a spring, as in a suspension fork or shock

A

damping

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64
Q

a gear-changing device that allows a rider to move the chain from one cog or chainring to another while the bicycle is in motion

A

derailleur

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65
Q

a metal extension of the right rear dropout through which the rear derailleur is mounted to the frame

A

derailleur hanger

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66
Q

model name of Shimano electronic-shifting components

A

Di2

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67
Q

a traditional bicycle frame shape

A

diamond frame

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68
Q

a brake that stops the bike by squeezing brake pads attached to a caliper mounted to the frame or fork against a circular disc attached to the wheel

A

disc brake

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69
Q

a difference in spoke tension on the two sides of the rear wheel

A

dish or wheel dish

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70
Q

a centering of the rim in the frame or fork by adjustment of spoke tension in a wheel

A

dishing or wheel dishing

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71
Q

a tool to check the centering of a wheel rim relative to the axle ends

A

dishing tool

72
Q

a two-chainring drivetrain setup (as opposed to a three or triple setup)

A

double

73
Q

a frame tube that connects the head tube and bottom-bracket shell together

A

down tube

74
Q

a flat-ended rod used for driving out bearings and bushings

A

drift

75
Q

the crankarms, chainrings, bottom bracket, front derailleur, chain, rear derailleur, and freewheel or cassette

A

drivetrain

76
Q

the difference in height between two parts; a terrain discontinuity you may or may not want to ride off; something not to do with your tools

A

drop

77
Q

slots in the fork and rear triangle where the wheel axles attach

A

dropouts or fork ends or fork tips

78
Q

a telescoping seatpost whose length can be adjusted on the fly while riding

A

dropper post

79
Q

a manufacturer of spokes, other bicycle components, and tools

A

DT, DT Swiss

80
Q

a protective cap keeping dirt out of a part

A

dust cap

81
Q

a cone-shaped, hardened-steel tool with coarse, reverse threads to remove broken bolts. A hole is drilled into the center of the bolt, and this is inserted into the hole, and then turned with a tap handle counterclockwise

A

easy-out

82
Q

a urethane spring sometimes used in suspension forks, rear shocks, suspension seatposts, and saddles

A

elastomer or MCU

83
Q

a system for shifting gears on a bicycle in which the power to shift comes not from the pull on a cable but from an electric signal turning a servo motor on and off

A

electronic shifting

84
Q

a rotation of the bike and rider forward over the front wheel

A

endo

85
Q

a bolt that when tightened pulls a wedge up inside or alongside the part into which the bold is anchored to provide outward pressure and secure said part inside a hollow surface. Found inside quill stems and some handlebar-end plugs and shifters

A

expander bold

86
Q

a part threaded onto an expander bolt. threaded down its center axis and is usually cylindrical in shape and truncated along an inclined plane or conical in shape and truncated parallel to its base

A

expander wedge or wedge

87
Q

a cap for the end of cable housing

A

ferrule

88
Q

a nonadjustable cup of the bottom bracket located on the drive side of the bottom bracket

A

fixed cup

89
Q

largest diameter of the hub, where the spoke heads are anchored

A

flange

90
Q

a part that attaches the front wheel to the frame

A

fork

91
Q

a crosspiece connecting the fork legs to the steering tube

A

fork crown

92
Q

perpendicular offset distance of the front axle from an imaginary extension of the steering-tube centerline

A

fork rake or offset or rake or wheel offset

93
Q

the distance measured on the ground between the vertical line passing through the center of the front-hub axle (the center of the wheel contact patch) and the extension of the centerline of the head tube

A

fork trail or trail

94
Q

a bicycle-suspension manufacturer that makes forks, rear shocks, and dropper posts. Parent company of RaceFace and Easton.

A

Fox

95
Q

a central structure of a bicycle to which all of the parts are attached

A

frame

96
Q

a rear hub that has a built-in freewheel mechanism to which the rear cogs are attached

A

freehub or cassette hub

97
Q

a mechanism through which the rear cogs are attached to the rear wheel on a derailleur bicycle. locked to the hub when turned in the forward direction, but it is free to spin backward independently of the hub’s movement, thus allowing the rider to stop pedaling and coast as the bicycle is moving forward

A

freewheel

98
Q

a traditional non indexed shifter attached to the frame or handlebar. cable tension is maintained by a combination of friction washers and bolts

A

friction shifter

99
Q

the head tube, top tube, down tube, and seat tube of a bike frame

A

front triangle or main triangle

100
Q

FSA

A

Full Speed Ahead - a manufacturer of bike components

101
Q

the lowest gear, generally of a triple drive-train. in this gear, the chain is on the largest rear cog and the innermost (usually of three) front chainrings

A

granny gear

102
Q

a twist shifter of the SRAM Corp that is integrated with the handlebar grip of a mountain bike. Shifts gears by twisting

A

Grip Shift

103
Q

a curved tube, connected to the fork via the stem, that the rider holds in order to turn the fork and thus steer the bicycle. The brake levers and shift levers are attached to it.

A

handlebar

104
Q

an acute angel formed by the centerline of the head tube and the horizontal

A

head angle

105
Q

a bearing system, consisting of a number of separate cylindrical parts installed into the head tube and onto the steering tube, that secures the fork and allows it to spin and swivel in the frame

A

headset

106
Q

the front tube of the frame through which the steering tube of the fork passes. Attached to the top tube and down tube and contains the headset.

A

head tube

107
Q

a hexagonal wrench that fits inside a hexagonal hole in the head of a bolt

A

hex key or allen key or allen wrench

108
Q

the central part of a wheel to which the spokes are anchored and through which the wheel axle passes

A

hub

109
Q

a disc, drum, or coaster brake that stops the wheel with friction applied to a braking surface attached to the hub

A

hub brake

110
Q

a type of brake that uses fluid pressure to move the brake pads against the braking surface

A

hydraulic brake

111
Q

a French tire company

A

Hutchinson

112
Q

a shifter that clicks into fixed positions as it moves the derailleur from gear to gear

A

index shifter

113
Q

a valve on the compression-damping system on a front or rear shock that opens upon hard impacts and otherwise stays closed, in order to distinguish between bump forces and pedaling forces and prevent the shock from bobbing up and down during pedaling. Similar to a lockout lever, but unlike a lockout, it allows the shock to still be fully active for bump absorption while engaged.

A

inertia valve

114
Q

on a telescoping suspension fork, a tube, usually clamped into the fork crown, except in the case of an upside-down fork, that slides in and out of the larger-diameter outer leg as the fork compresses and rebounds.

A

inner leg, upper tube, inner, stanchion

115
Q

a headset in which the bearing seats are integrated into the head tube rather than requiring separate headset cups, and the bearings are completely concealed within the head tube

A

integrated headset

116
Q

a circular, cog-shaped pulley attached to the rear derailleur that is used to guide, apply tension to, and laterally move the chain from rear cog to rear cog

A

jockey wheel or jockey pulley

117
Q

an all-terrain tire used on mountain bikes

A

knobby tire

118
Q

amount the rear axle moves vertically on a full-suspension bike with a given amount of movement of the shock shaft

A

leverage ratio

119
Q

a pivoting steel hook on a V-brake arm that the cable-guide “noodle” hooks into

A

link

120
Q

a notched or toothed washer that serves to hold surrounding nuts and washers in position

A

lock washer

121
Q

a nut that serves to hold the bearing adjustment in a headset, hub, or pedal

A

locknut

122
Q

a valve on the compression-damping system on a front or rear shock that prevents the shock from compressing. Modern shocked usually have a blowoff system that will allow the compression-damping circuit to open with a large impact to prevent the shock from being damaged on bit hits while this is engaged

A

lockout

123
Q

a large circular locknut. on a bottom bracket, it is the outer ring that tightens the adjustable cup against the face of the bottom-bracket shell. on a rear shock, this is the threaded ring that tightens the coil spring on a coil-over shock or is used to secure the fore-aft position of the shock body on some air shocks. On a freehub, this holds the cogs on. On a CenterLock disc brake-compatible hub, this secures the rotor to the hub shell.

A

lockring

124
Q

a style of rear derailleur pioneered by shimano in which the return spring is connected to the opposite vertices of the rear derailleur’s parallelogram linkage elements compared to the setup for a standard rear derailleur. This arrangement results in the derailleur’s moving to the low-gear position (the largest, most inboard rear cog) when the cable tension is removed, rather than to the high-gear position (the smallest, most outboard cog), as on a standard rear derailleur

A

low normal or rapid rise

125
Q

a German brake company

A

Magura

126
Q

an American suspension-fork and component company, subsidiary of Answer Products

A

Manitou

127
Q

an Italian Suspension-fork and component company

A

Marzocchi

128
Q

a piston chamber at the lever end of a hydraulic brake system

A

master cylinder

129
Q

a detachable link that holds the chain together. Can be opened by hand without a chain tool

A

master link

130
Q

a French wheel and bicycle-component company

A

Mavic

131
Q

a tool for measuring the outside dimensions of an object or the inside dimensions of a hole by means of movable jaws

A

measuring caliper

132
Q

a French tire company

A

Michelin

133
Q

a bolt that mounts a part to a frame, fork, or component

A

mounting bolt, pivot bolt

134
Q

a steel cylindrical cartridge with rod-shaped rollers arranged coaxially around the inside walls

A

needle bearing

135
Q

a thin nut designed to receive the end of a spoke and seat it in the holes of a rim. a flared typ of a hydraulic caliper bleed fitting onto which a bleed hose can be attached

A

nipple

136
Q

a curved cable-guide pipe on a V-brake arm that stops the cable housing and directs the cable to the cable anchor bolt on the opposite arm

A

noodle

137
Q

in a telescoping suspension fork, a tube, often cast from magnesium and attached to the front-wheel axle, except in the case of an upside-down fork, that slides up and down over the smaller-diameter inner leg as the fork compresses and rebounds.

A

outer leg, casting, fork casting, outer, or slider

138
Q

a platform the foot pushes on to propel the bicycle

A

pedal

139
Q

an overlapping of the toe with the front wheel while pedaling

A

pedal overlap, toe overlap, or toeclip overlap

140
Q

a highly damped low-speed compression circuit on a rear shock or suspension fork designed to reduce pedal-induced bobbing as well as keep the suspension high during braking and while riding berms and dips

A

pedal platform

141
Q

the lateral distance between the feet while pedaling. the distance measured between the two vertical planes defined by the inboard side of each shoe at the first metatarsal as they move around the pedaling circle

A

pedaling stance

142
Q

a V-shaped wrench with two tip-end pins. the pin spanner is often used for tightening the adjustable cup of the bottom bracket or other lockrings

A

pin spanner

143
Q

a pin about which a part rotates through a bearing or bushing. found on brakes, derailleurs, and rear-suspension systems

A

pivot

144
Q

a bolt on which another part pivots

A

pivot bolt

145
Q

a thin, metal tire valve that uses a locking nut to prevent air from escaping from the inner tube or tire

A

Presta valve

146
Q

the distance from the outer face of one crankarm at the pedal hole to the plane formed by the outer face of the other crankarm at the pedal hole as it spins. measured normal to this plane.

A

Q factor

147
Q

a tightening lever and shaft used to attach a wheel to the fork or rear dropouts without using axle nuts; a quick-opening lever and shaft pinching the seatpost inside the seat tube in lieu of a wrench-operated bolt; a quick cable release on a brake; a fixing mechanism that can be quickly opened and closed as on a brake cable or wheel axle; any anchor bolt that can be quickly opened and closed by a lever

A

quick-release

148
Q

a vertical tube of a stem for a threaded headset system that inserts into the fork steering tube. It has an expander wedge and bolt inside to secure the stem to the steering tube

A

quill

149
Q

a stem with a quill to insert inside a threaded fork steering tube

A

quill stem

150
Q

a circular track on which bearings roll freely

A

race, bearing race

151
Q

A Canadian bicycle-component company

A

Race Face

152
Q

an indexing shifter manufactured by Shimano for use on mountain bikes with two separate levers operating each shift cable

A

Rapidfire shifter

153
Q

a rear part of the bicycle frame that includes the seatstays, the chainstays, and the seat tube

A

rear triangle

154
Q

a diminishing of speed of return of a spring by hydraulic or mechanical means

A

rebound damping

155
Q

an outer hoop of a wheel to which the tire is attached

A

rim

156
Q

a handlebar with a double bend on each side of the stem clamp so that the grips are higher than the stem

A

riser bar

157
Q

an American bicycle and bicycle-component company

A

Ritchey

158
Q

an American suspension-fork and component company, subsidiary of SRAM

A

RockShox

159
Q

a brake system using pulleys and a cam to force the brake pads against the rim surface

A

roller-cam brakes

160
Q

a platform made of leather and/or plastic upon which the rider sits

A

saddle, seat

161
Q

the amount the front or rear shock compresses with the rider’s weight static on the bike. Its purpose is to preload the shock so that it forces the rear wheel down into the ground when the bike is unweighted after a bump, thus increasing tire contact and traction in rough terrain

A

sag or ride height

162
Q

a high-pressure air valve with a spring-loaded air-release pin inside. Found on some bicycle inner tubes and tubeless tires, on air-sprung suspension forks and rear shock, and on automobile tires and tubes

A

Schrader valve

163
Q

a bearing enclosed in a protective seal in an attempt to keep contaminants out

A

sealed bearing

164
Q

an acute angle formed by the centerline of the seat tube and the horizontal

A

seat angle

165
Q

an intersection of the seat tube, top tube, and seatstays

A

seat cluster

166
Q

a frame tube into which the seatpost is inserted

A

seat tube

167
Q

a tubular member supporting, securing, and allowing height adjustment of the saddle

A

seatpost

168
Q

a frame tube on a bicycle connecting the seat tube or the rear shock to the rear dropout and hence to the rear hub axle

A

seatstay

169
Q

a thin element inserted between two parts to ensure that they are the proper distance apart. can be a thin washer and can be used to space a disc-brake caliper away from the frame or fork or to space a bottom-bracket cup away from the frame’s bottom-bracket shell. can also be a thin piece of metal used to make a seatpost fit more tightly inside the seat tube. can also be small, thin discs found inside suspension forks and rear shocks to control suspension movement by permitting or hindering passage of hydraulic fluid through an orifice

A

shim

170
Q

a Japanese bicycle-component company and maker of XTR, XT, Saint, LX, and STX component lines as well as Rapidfire, SPD, and STI

A

Shimano

171
Q

a trail with a single furrow made for feet or two-wheeled vehicle, as opposed to a road or doubletrack, which has a track for each pair of wheels

A

singletrack

172
Q

a long rod; a hub quick-release; a shaft passing through a stack of elastomer bumpers in a suspension fork

A

skewer

173
Q

a piston chamber in the caliper of a hydraulic brake

A

slave cylinder

174
Q

a brand of tire sealant consisting of chopped fibers in a liquid medium injected inside a tire or inner tube to flow to and fill small air leaks

A

Slime

175
Q
A

MTB (5 decks)

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