$12at TraxxasBuyTraxxasDRIVE CUP USE WITH 7750 (1)$12Traxxas$12BuySaveShareTraxxas profileThe creators who use it, or GearCred, may earn a commission when you buy through these links, at no extra cost to you.From TraxxasDrive cup (1)/ 3x8mm CS (for use only with #7750 driveshaft)