Description:
Made of high quality plastic, lightweight, practical and durable
To protect the chain falling down and seize
Adjustable clamp size: 32-42mm
Perfect for front derailleur
Please notice that it is only for SINGLE SPEED chain
Comes with one mounting screw

Package Includes:
1 Piece Bike Chain Guide

Note:
Please allow slightly difference due to manual measurement. Thanks
Please note that it is only for single chain