[FM] Sports Outdoors Lightweight Guide Roller Rear Derailleur Guide

Specifications: _x000D_ It can save your effort during riding and it can increase the gear-shifting efficiency by reducing the weight pressure applied to the rear derailleur._x000D_ The pulley can help save your efforts when you are riding. And it can reduce the weight pressure applied to the rear derailleur so as to increase the gear-shifting efficiency._x000D_ By reducing the weight pressure applied to the rear derailleur, it can increase the gear-shifting efficiency. And it can save your effort during riding._x000D_ As the pulley can reduce the weight pressure applied to the rear derailleur, it can increase the gear-shifting efficiency. And you can save lots of efforts during riding with it._x000D_ It can increase the gear-shifting efficiency by reducing the weight pressure applied to the rear derailleur. With it, you can save your effort during riding._x000D_ _x000D_ Features: _x000D_ The 12T 14T bike rear derailleur pulley can support 9, 10, 11 speed chains. With narrow wide design, it won #39;t hurt the bike chain._x000D_ Supporting 9, 10, 11 speed chains, the 12T 14T bike rear derailleur pulley is very practical. An it won #39;t hurt the bike chain with narrow wide design._x000D_ As the 12T 14T bike rear derailleur pulley can support 9, 10, 11 speed chains, it is practical. With narrow wide design, it won #39;t hurt the bike chain._x000D_ The 12T 14T bike rear derailleur pulley is very practical and it supports 9, 10, 11 speed chains. And it won #39;t hurt the bike chain due to narrow wide design._x000D_ It won #39;t hurt the bike chain with narrow wide design. And the 12T 14T bike rear derailleur pulley can support 9, 10, 11 speed chains._x000D_ _x000D_ Notes: _x000D_ Normally won #39;t fit short cage derailleur.Due to the light and screen setting difference, the item #39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement._x000D_ _x000D_ Package Includes: _x000D_ 2 x Derailleur Pulleys(12T + 14T)