This conversion kit convert the BZ3 to “Middle Spur Gear” configuration. The front and rear belts has equal length. The advantage of identical length belts Front/Rear so that the power delivery is smoother and more balanced. Car has less dive during deceleration, and less squat when acceleration. And Chassis Flex F/R is more balance as […]

This Aluminium chassis is for MID BZ3 (equal belt) Weight is 15 gram. Wide chassis plate is helpful in high grip tracks to overcome the problem of flip. Highly recommend for RCP high traction condition.   BZ3-UP06P9 optional Brass weight is available separately.