Product description
* brand new and high quality
*Made of aluminum alloy and ceramics, light weight, stylish appearance and strong compatibility
*Sealed steel bearing, waterproof and dustproof, super
Product Name: Guide Wheel
Size: 10T/11T/12T/13T/14T/15T/16T/17T
Material: Aluminum alloy tooth/ceramic bearing
Application: mountain bike/road bike/
Weight: 10T-17T about 9.1-15.2g