Tamiya Item 95563 – HG Lightweight 17mm Aluminum Ball-Race Roller (Ringless)

TAMIYA 95563 HG Lightweight 17mm Aluminum Ball-Race Rollers (Ringless) This is a lightweight 17mm aluminum ball-race rollers that are currently available to tune your Mini 4WD car. These rollers provide less weight and a slight boost in speed, as well as superior durability and silky-smooth rotation. • 17mm Lightweight Aluminum Ball-Race Rollers x2 • Eight holes in each roller make for an individual weight of 0.81 grams, a saving of roughly 0.25 grams per roller. • Small parts for attachment are included. • Built-in 520 ball bearings provide smooth roll. • Compatible with Mini 4WD and Mini 4WD PRO cars. Some bodies may require modification.