Chain jam protector 31.8mm. For use with 50mm chain-line.
Black Carbon Fiber Chain Stabilizer Drop Keeper Road Bike Chain Catcher Anti-Drop Chain Guide Bicycles Accessories Durable Chain Guide Drop Catcher Bicycles Chain Anti-Drop Stabilizer Drivetrain
Bike Chain Catcher Drop Keeper Road Bike Chain Stabilizer Chain Guide Anti-drop Device Bicycles Accessory Easy To Use Bike Chain Catcher Stabilizer
UPALDHOU Bike Chain Catcher Aluminum Alloy Road Bike Chain Guide Drop Catcher Prevents Drops Enhanced Stability Easy Installation with Modern Design for Cycling (Black)
K-Edge Pro Road Braze-On Chain Catcher, Black Anodised Bike Chain Catcher
