Feature:
1. Suitable for: The rear derailleur pulley is suitable for most of the rear derailleur on the market, support 7/8/9/10 speed
2. High Quality Material: The rear derailleur pulley is made of AL7075 aluminum alloy and ceramic bearing material, light weight, high lubrication, durable
3. Tooth Shape: The rear derailleur pulley adopts a specially optimized tooth , which is synchronized with the chain drive direction, which makes it smoother to put in the chain and remove the chain
4. Deepen Tooth Marks: The rear derailleur pulley uses deepened tooth marks, which has the advantages of clearer shifting and more stable winding
5. Multiple Color Options: There are five colors options red, blue, gold, black and colorful colors, you can choose according to your preferences

Specification:
Item Type: 17T Ceramic Rear Derailleur Pulley Guide
Material: AL7075 Aluminum Alloy + Ceramic Bearing
Weight: Approx. 18g/0.6oz
Diameter: Approx. 68mm/2.7in
Installation Size: Approx. 4/5/6mm / 0.16/0.2/0.24in Axle
Advantages: Applicable to Most Rear Derailleur on the Market, Supporting 7/8/9/10 Speed

Package List:
1 x Rear Derailleur Pulley Guide
2 x Axle