See: ProTek R/C ProTek RC have introduced two sets of 4mm 4-shoe clutch for Nitro buggy and Truggy. Developed in collaboration with ProTek team drivers, this premium level clutch features a 34mm aluminum 4 shoe flywheel with removable steel pins so you can replace them when needed. A complete set of four 1.0, and four 0.9 […]