Tamiya made HG Lightweight Aluminum Ball-Race Rolle19mm, Ringless/Gold (95582) Roller Mini 4WD Spare Parts 2
These are lightweight variations regarding the popular 19mm rollers, with six holes making the aluminum part roughly 30percent lighter.They get a stylish silver color anodized finish, and still have built-in 520 ball bearings for silky smooth rotation. Suitable Cars Mini 4WD & Mini 4WD professional automobiles *Some systems might need alterations.