This is a brand new swing  arm chain protection designed for Honda Dax and Chaly.

Brand new product sold inside its original package.

Easy to install on genuine swing arm.

Here are several technical informations from manufacturer:

Dax Chaly Chain Slider Wear Prevention

■ Features
A chain slider that prevents wear due to contact with the chain that tends to occur on the swing arms of Dax and Shari.
It solves the problem of the chain interfering with the swing arm, and is effective for mounting rear sprockets for high speeds with a small outer diameter.

■ Compatible car
Dax swing arm all year
Chaly Swing Arm All Years

■ Set contents
1 chain slider
Includes mounting bolts, nuts and washers

■ Product information
This part is for genuine swing arm only.

It cannot be attached to an aluminum swing arm.