ITEM NAME:Mi.Xim 2Pcs 11T Mtb Bike Pulley Wheel Road Bicycle Jockey Wheel Pulley Rear N6D1 Mi.Xim 2Pcs 11T Mtb Bike Pulley Wheel Road Bicycle Jockey Wheel Pulley Rear N6D1 Brand Name: mi.xim Components: Derailleurs Structure:Ceramic Bearings Weight: 11T--7g/pcs Fit for 4/5/6 MM roller screw axis Apply for most of rear derailleur on the market, support 7/8/9/10 speed Tips: Please choose the same size with the original pulley. If no totally same, choose the smaller type, never choose the bigger than original ones. colour:black Material:Ceramic + aluminum alloy size:Diameter: 41mm Package Contents: 2*Bike Pulley Wheel
