‌Bicycle Chain Keeper Dummy Hub Tool keeps your chain securely in place during maintenance, cleaning, and storage.

Ideal for road bikes and mountain bikes, this chain holder features a smooth plastic roller with sponge rings to reduce friction and avoid scratches.

Simply install it onto compatible hubs in seconds. It helps maintain drivetrain alignment, making chain lubing and cleaning more efficient.
Item Type: Bicycle Cycling Chain Keeper Roller
Color:Black
Material: Plastic
Outer Diameter:25mm(0.98in)
Inner Diameter:17mm(0.67in)
Height:14mm(0.55in)
Weight: Approx.27g/1.0oz

Package list:
1 x Bicycle Cycling Chain Keeper Roller
2 x Sponge Rings

Notes:
1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2. Please allow slight manual measurement deviation for the data.