The F3 Adrenaline™ – is geared for street and track use. It features Penske Racing shocks, Pirelli tires, carbon fiber bodywork, and billet aluminum parts throughout. A 20 inch rim with a 325 rear tire coupled to a 120 cubic inch racing motor. Posted by MR38. on 2008-01-04 03:24:19 Tagged: , trike , reverse ,