BB-08 Replacement Aluminum Alloy Rear Derailleur Pulley for Bicycle - Red
Brand N/A Model BB-01 Quantity 1 Color Red Material Aluminium alloy Functions Transmit chain and change speed Best Use Cycling Gender Unisex Other Features Inner diameter: 8.8mm; outer diameter: 43.4mm. Packing List 1 x Rear derailleur pulley