All new Insight Chain Tensioner were designed to work with todays longer dropouts, so you can adjust your rear wheel to work in any position.

Features:
Forged aluminium body
3/8″ or 6mm dual axle holes
1 adjust screw bolt

Weights : 56g (10mm) 57g (6mm)

Offered in 5 Colors : Black, White, Red, Blue, Polished