Bike Guide Wheel, Aluminum Alloy Bicycle Rear Derailleur Jockey Wheel Rear Derailleur Pulley 11T Bike Accessories

It is 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, so that it is durable for long time use. There are 2 replaceable 4mm and 5mm bushing included which can enrich your installation choices. Features: 1ICATION: It is used on rear derailleur for chain transportation and speed changing.11T suits for 8/9/10/11 speed rear derailleur. 2ALIGHT INNER BEARING: Inner ceramic bearing is ultralight and owns high degree of lubrication, which can ensures its smooth working. 3INUM MATERIAL: Aluminum alloy construction is anti-rust and corrosion resistance, durable for long time use. 4IPLE CHOICE: There are 2 replaceable 4mm and 5mm bushing included which can enrich your installation choices. 5ANTEE:If you are not satisfied with our product you received, you can send emails to us at any time will reply you instantly and help you solve your problem. 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.