Stage6 primary gear kit. 17/51 (3:1) or 18/50 (2.8:1)

The 18/50 provides even longer gearing than the 15/51 teeth option which means it is...

Only use with tuning kits! Original cylinders are normally not powerful enough to pull this sort of gearing.

Taller gears in the...

Stage6 gear-up kit for Suzuki Katana mopeds.

Taller gears in the transmission reduce the overall reduction factor of the gearbox.
Provided...

Stage6 primary gear-up kit.

Only for use with tuned engines! Original standard cylinders are normally not powerful enough to pull this sort...

Stage6 secondary gear-up kit.

Only for use with tuned engines! Original standard cylinders are normally not powerful enough to pull this...

Stage6 gear cover, including all bearings and seals

Greatly improved and reinforced gear cover designed for high end racing class...

Stage6 R/T gearbox cover for Piaggio engines.

This is as good as quality gets !
Stage6 2-part CNC milled alloy cover with needle bearings...