Tamiya Grade Up Parts Series 522 HG 17mm Bearing Roller Set 15522 No. GP.522 All-Aluminum

Upgrade parts for Mini 4WD The 17mm diameter roller is an essential part of the racing setup. Highly rigid, all-aluminum flat dish design 520 ball bearings are embedded for smooth rotation In addition to two 17mm aluminum rollers, the set also includes two mounting screws and four aluminum spacers. Usable machines: Mini 4WD PRO, Mini 4WD cars (some bodies require modification)