The ELEVN Disc Block chain tensioner have been specially designed for CHASE RSP 4.0 and Element 2020/21 frames to replace your disc side tensioner when you are equipped with the ELEVN disc adapter to provide it with better anti-rotation locking.

Material: Forged 6061-T6 Aluminium
Axle: 10mm
1 axle fixing hole
1 anti-rotation locking fixing hole
Sold individually