HPSP Racing Close Ratio Gearbox - Yamaha RXZ 135

HyperSpeed racing Close ratio gearboxes feature solid build quality and precision machining of gear sprockets. This gearbox should give you shorter and closely spaced ratios than the standard unit, giving quicker acceleration and to keeping the engine in it's powerband longer.

Gearbox Ratio (Counter shaft / Front Sprocket Shaft):
• 1st gear (15T / 30T)
• 2nd gear (21T / 31T)
• 3rd gear (22T / 27T)
• 4th gear (24T / 26T)
• 5th gear (23T / 23T)
• 6th gear (27T / 25T)

Fitting:

Yamaha RXZ 135