MUQZI Deragliatore posteriore per bici da strada da montagna compatibile con denti positivi e negativi a 9/10/11/12 velocità 11/14

Product Name: Ceramic Bearing Rear Derailleur Guide Wheel Material: Aluminum Alloy + Ceramic Color: Black / Red / Gold / Silver Specifications: 11/12/13/14T Compatible with 8/9/10/11/12 speed, do not use The number of teeth on the rear derailleur guide wheel is even, and the tooth shape is one thick and one thin, which is positive and negative teeth Packing size: 12*8*2CM Gross weight: about 25G Delivery details: 1 guide wheel + 2 reducing sleeves + screws Process: CNC cutting/anodized coloring. It can effectively suppress the horizontal swing of the chain, making gear changes more precise.Using ceramic bearings for smoother and faster response, with a snap ring design that eliminates concerns about bearings rubbing against each other and causing abnormal noise.Comes with two reducer sleeves for better compatibility, can be converted to 4/5MM bearings after installation, allowing for smooth rotation When purchasing, please check the specifications and gear count of the original vehicle; in principle, it cannot exceed the gear count of the original vehicle's guide wheel, otherwise it may not work.