How to Repair Bent Chain Rings

Bent or warped chain rings won't do much for your shifting performance. If they aren't badly damaged, you should be able to bend them back into shape with an adjustable wrench.

Instructions

Difficulty: Easy

Things You’ll Need:

• Crescent Wrenches

1. Clamp your bike into the repair stand.
2. Remove the chain from the front chain rings.
3. Make sure that the bottom bracket is adjusted properly, and that all the chain ring bolts are tight.
4. Spin the cranks to determine where your chain rings are bent.
5. Grasp the chain ring with a adjustable wrench.
6. Carefully bend it back into shape.

Tips & Warnings

• If your chain ring is badly bent or damaged, you'll probably need to replace it.