11T Bicycle Rear Derailleur Jockey Wheel Ceramic Bearing Aluminum Alloy MTB Mountain Bike Guide Roller. 5 X 11T Bicycle Rear Derailleur Guide Roller. Screw hole of rear gear: 8.9mm/0.35". Net weight: 13g.
5pcs 11T MTB Rear Derailleur Jockey Wheel Ceramic Bearing Guide Roller
5Pcs 11T MTB Rear Derailleur Jockey Wheel Ceramic Bearing Guide Roller (Black)
5pcs 11T MTB rear derailleur jockey wheel ceramic bearing guide roller de
