This product is only available through Sports Power please contact them for price and availability
The Quaife QMCA1E gearkit is designed to fit the Vincent gearbox fitted to all twin cylinder Vincent models and converts the 4-speed unit to a modern, 5-speed design, ideal for racing, trackdays or fast cruising.
Supplied with uprated selector forks, Quaife designed camplate and modern, dog engagement gears with a high-strength tooth profile, QMCA1E features two ratio options on first gear.
1st 2nd 3rd 4th 5th
2.459 1.611 1.342 1.134 1.000
Optional 1st gear of 2.070