12T/14T Rear Derailleur Pulley Aluminum Alloy Jockey Wheel Ceramic Guide Pulley Bike Guide Roller Wheel for Road Bike, Mountain Bike, MTB, BMX

$ 4.52

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About this item This bike guide roller pulley can reduce drag and improve cycle efficiency, offers you a better cycling experience. Fits for almost all mountain bike of 12T OR 14T, adapt to the bike speed: 9/10/11 speed Easy installation. Necessary accessories for your bicycle. Made of aluminum alloy material, anti-rust and anti-corrosion, lightweight and durable. High rigidity ceramic bearing, super smooth and noiseless.

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