Triumph T120v, T140. T150v & T160 Close Ratio Gearset
A set of close ratio gears to replace those in a T140 5 speed.
The improved ratios with a closer spread will give a boost to track performance. The gearbox also features undercut dogs for fast, accurate gear changes and positive retention. New bronze bushes are fitted in the relevant gears so all parts are supplied ready to fit as direct replacements
We supply 1st to 4th Mainshaft and Layshaft gears. These should be built onto the standard Triumph Mainshaft and Layshaft, and also use the standard sleeve gear and drive gear pair.
This Gearset can also be used on the upgraded BSA A75 Rocket 3’s