Are you ready to go suburb with your friends by bike to relax yourself? Then your need this excellent Kactus Aluminium Alloy 11T Jockey Wheel Rear Derailleur Pulley. Ultra-light and flexible design makes your cycling more relaxed and interesting. Exquisite AL7075 CNC treatment technology and bright colours， I am sure it is what you want. Enjoy your bike trip without restraint!



Main Features:
Practical Kactus Wheel Rear Derailleur Pulley
Anti rust and corrosion resistant anodized
Suitable for upper or lower pulley
Compatible with Shimano and SRAM
Made of AL7075 CNC alumium alloy
Inner diameter is 5mm or 6mm