Made of aluminum alloy and ceramics, light weight, stylish appearance and strong compatibility Sealed steel bearing, waterproof and dustproof, super durable Size: 11T/12T/13T/14T Specification:4mm/5mm Package Content:1*Rear Derailleur Jockey Wheel
Features:
* 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 durable
Product Parameters:
Product Name: Bicycle Guide Wheel
Size: 11T/12T/13T/14T
Material: Aluminum alloy tooth/ceramic bearing
Application: mountain bike/road bike/bicycle
Specification: 4mm/5mm
Weight: 11T-14T about 9.7-12.4
Color: Black/Red/Blue
Package Content:
1*Rear Derailleur Jockey Wheel