Included: 1 X 11T Bicycle Rear Derailleur Guide Roller. Screw hole of rear gear: 8.9mm/0.35". Material: Aluminum alloy. Net weight: 13g. If item is defective after 3 months, you can still send it back to us.
Bicycle Rear Derailleur Jockey Wheel Ceramic Bearing Aluminum Alloy MTB Mountain
Rear Derailleur Jockey Wheel Ceramic Bearing Aluminum Alloy MTB Mountain Bike
5pcs 11T MTB Rear Derailleur Jockey Wheel Ceramic Bearing Guide Roller
