Active Hobby TA07 Pro progressive shock system
Active Hobby Products have introduced their progressive shock system for the TA07 Pro touring car and other kits using long TRF shocks. Making use of a common system the set includes two inner tubes with triangular cut-outs and plain shock pistons with the cut-outs allowing the damper fluid to bypass the shock piston for a progressive damping characteristic once the shocks start to compress. The set includes two tubes and pistons usable both on the front or the rear of the car.
Source: Active Hobby Products [active-hobby.com]