Secondary Transmission Polini PGO Big Max / T-Rex 50

Secondary Transmission Polini PGO Big Max / T-Rex 50

The transmission ratio of the gearbox has a major impact on engine performance. The gear ratio is changed it can keep up with the surplus power of a tuned engine and transmit this power into tangible results, be it in terms of top speed or acceleration. A taller gear favors top speed at the expense of acceleration.

Это secondary transmission Polini, teeth = 14 / 41, with straight teeth (= reduced friction and heat generation).

Note: Changing the gear on the intermediate shaft requires a hydraulic press or a corresponding assembly tool.