This new belt tensioner is designed to keep a constant but light tension on the belt throughout swing-arm movement. The reduced stress and shock loads not only benefit and prevent premature lengthening of the belt but also reduce stress from wheel and gearbox output bearings.

Maintenance free belt tensioner.

Quick and easy to installation does not require any modification.
Complete with everything needed for installation and complete with instructions.

Fits Triumph Bonneville, Scrambler and Thruxton with Free Spirits Belt Conversion