New 6 speed gearboxes are anticipated for the 2011 season.

All teams use a controlled 4 speed gearbox produced by Richmond.

Drive was by a conventional four speed gearbox, with a right foot gear lever.

Both versions had a four speed gearbox and in total twelve cars were produced.

Drive was to the rear wheels through a three speed gearbox.

A four speed gearbox with column change was used.

Drive to the rear wheels was via a four speed gearbox.

All the 12/50s had a four speed non-synchromesh gearbox with right hand change.

The four speed gearbox seems to be very high geared.

It had a four speed gearbox (when three was common) and all hydraulic brakes.