Derailleurs

Question 1

What action moves the derailleur toward a larger sprocket?

Answer 1

pulling on shifter cable

Question 2

What moves the derailleur toward a smaller sprocket?

Answer 2

spring inside the derailleur

Question 3

What does adjusting the rear derailleur HIGH speed limit screw prevent?

Answer 3

high gear limit screw prevents chain from being pushed past the high gear sprocket (to the right)

Question 4

What does adjusting the rear derailleur LOW speed limit screw prevent?

Answer 4

low gear limit screw prevents chain from being pushed past the low gear sprocket (to the left)

Question 5

How much clearance should the derailleur’s outer cage have above the large chain ring?

Answer 5

should have 1-3mm clearance

Question 6

How do you adjust the front derailleur LOW speed limit screw?

Answer 6

 shift chain to 1st gear on the rear (largest sprocket)
 shift chain to low gear on the front (smallest chainring)
 adjust to 1mm clearance between inner cage plate and chain

Question 7

How do you adjust the front derailleur HIGH speed limit screw?

Answer 7

 shift chain to high gear on the rear (smallest sprocket)
 shift chain to high gear on the front (largest sprocket)
 adjust to 1mm clearance between outer cage plate & chain