MTB Bicycle Rear Derailleur Jockey Wheel 11T 13T Steel Bearing Pulley AL7075 CNC
Weight: 11T about 11.5 g/pc, 13T about 14 g/pc. ZTTO Bicycle Rear Derailleur Jockey Wheel 11T/13T. Being the fastest spinning bearings on your bike, an upgrade with our high-performance pulley wheels are an effective way to save energy or ride faster.
MTB Bicycle Rear Derailleur Jockey Wheel 11T 13T Steel Bearing Pulley AL7075 CNC
Weight: 11T about 11.5 g/pc, 13T about 14 g/pc. ZTTO Bicycle Rear Derailleur Jockey Wheel 11T/13T. Being the fastest spinning bearings on your bike, an upgrade with our high-performance pulley wheels are an effective way to save energy or ride faster.