ITEM NAME:13T MTB Ceramic Bearing Jockey Wheel Pulley Road Bike Bicycle Rear Deraille Product Description Description: 13T MTB Ceramic Bearing Jockey Wheel Pulley Road Bike Bicycle Rear Derailleur 100% brand new and high quality Product: Bicycle rear derailleur pulley wheel Size: 13 T Structure: ceramic bearings Material: aluminum alloy 7005 Diameter: 50mm Setting for 4/5/6mm spindle shaft rollers Apply for most rear derailleur in the market, support 7/8/9/10 speed Transmission for a bicycle,stainless steel bearing for ultra durability 5 colors for choose: Black, Silver, Blue, Red, Gold Included: 1x Ceramic Bearing Jockey Wheel Pulley.1x Ceramic Bearing Jockey Wheel Pulley. Product: Bicycle rear derailleur pulley wheel. Transmission for a bicycle,stainless steel bearing for ultra durability. Structure: ceramic bearings. Setting for 4/5/6mm spindle shaft rollers.
