Product: Bicycle rear derailleur pulley wheel. Apply for most rear derailleur in the market, support 7/8/9/10 speed. 1 x Bicycle Pulley Wheel Ceramic Bearing. Transmission for a bicycle,Ceramic bearing for ultra durability.
Pair of 11t Derailleur Ceramic Bearing Jockey Wheels MTB Bicycle Road Bike
11t/12T/13T/14T Derailleur Ceramic Bearing Jockey Wheels MTB Bicycle Road Bike
11T 12T 13T 14T Derailleur Ceramic Bearing Jockey Wheels MTB Bicycle Road Bike
