2pcs Anti-drop Bike Bicycle Single Chain Guide Protector Clamp Watcher Black

Description:

Made of high , lightweight, practical and durable

To protect the chain falling down and seize

Adjustable clamp size: 39-42mm

Perfect for front derailleur

Please notice that it is only for SINGLE SPEED chain

Comes with one mounting screw

Package Includes:

2 Pieces Bike Chain

:

Please allow slightly difference due to manual measurement. Thanks

Please that it is only for single chain