Description:

Applicable to the minimum tooth for 11 teeth of the card flywheel speed is not unlimited, six pin disc installed in the central lock hub when the use.
Light weight, high strength, no rust.Non-deformation, practical.
CNC machining aluminum alloy makes the surface smooth and can prevent wear and tear.
Easy to install and easy to use.
Dia: 3cm/1.18 inch

Package Includes:(2 Pack)

1 Piece Bike Cassette Cover Lock Ring