Feature(may vary by option.)

●Prevents chain from falling inside during transmission
●Single speed crank chain prevents dropping
●Compatible with seat tube diameter 1.1 inches (28.7 mm)
●Recommended for small diameter cars

[31.8mm]

Description

From the Manufacturer

Resin Chain Fall Prevention Socket, Bicycle

Prevents chain from falling inside during transmissionSingle speed crank prevents chain from dropping

The photo is for illustration purposes only, color and shape may differ depending on the model number selected.