11T 13T Bike Ceramic Pulley Aluminum Alloy Rear Derailleur Bearing Jockey Wheel

Features: 7075 High strength aluminum,ceramic pulley Selection rules:please try your best to choose the same as the original regulating wheel. You can choose smaller than the original regulating wheel, but not bigger Specifications: Size:11T 13T Type:pulley Structure:ceramic bearings Material:aluminum alloy Diameter:11T--41mm; 13T--49mm Fit for 4/5/6 MM roller screw axis Package include:1pc pulley The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.