Keenso 11T Jockey Wheel Rear Derailleur Pulley?Bike Rear Derailleur Pulley for Mountain Bike Bicycle Replacement Parts(red)

Products Description: 11T Jockey Wheel Rear Derailleur Pulley for Mountain Bike Bicycle Replacement Parts Features: Used on rear derailleur for chain transportation and speed changing. 11T suits for 8/9/10/11 speed rear derailleur. Inner ceramic bearing is ultralight and owns high degree of lubrication, which can ensures its smooth working. Aluminum alloy construction is anti-rust and corrosion resistance, durable for long time use. 2 replaceable 4mm and 5mm bushing is included to enrich your installation choices. A necessary accessary for your bicycle. Specification: Condition: 100% Brand New Material: Ceramic Bearing + Aluminum Alloy Color: Red, Gold, Blue, Titanium Color, Black(Optional) Teeth: 11T Hole Diameter: Approx. 6mm / 0.24in(4mm and 5mm bushings are included) Size: Approx. 4 * 0.8cm / 1.6 * 0.3in Weight: Approx. 18g Packing List: 1 x Bike Rear Derailleur Pulley 2 x Bushings(4mm and 5mm) Note: Please allow slight size inaccuracy due to manual measurement and we appreciate for your understanding. We SHALL TO SAY As an reliable seller, we promise that 100% money refund about damaged product during delivery. We are committed to provide the best customer services to our customers. If you have any questions, just contact us and we will give you the most satisfactory solution.