Specification:
Material: Aluminium alloy
Color: Black
Applicable size: Fit 3/8''(10mm) Axles

Features:
1. Made of high grade aluminum alloy material, durable in use.
2. The bike chain tensioner is great for BMX, single speed bike, road bike, folding bike.
3. With CNC technology, the bike chain tensioner is wear resistance, corrosion resistance and more beautiful.
4. Easy to install without other complex tools, saving time and effort.

Installation steps：
1. Before purchasing, please check if the rear dropout can be installed.
2. Loosen the fixing nuts on both sides of the rear dropout.
3. Choose the appropriate screw for installation. Adjust the length of the bolt for the perfect chain tension.
4. Locking screws and nuts.
5. Finish the installation.

Packge Included:
2Pcs x Bicycle tensioners