Tamiya 15522 HG 17mm Aluminum Ball Race Rollers - Ringless Aluminium Rollers for Mini 4WD  [15522]

Quick look at Tamiya 15522 HG 17mm Aluminum Ball Race Rollers

The Tamiya 15522 HG 17mm Aluminum Ball Race Rollers are a compact upgrade for racers wanting a tougher roller that still keeps weight in check. CNC-like aluminium finish gives good wear resistance and a professional appearance on track.

Design specifics and compatibility notes

Each roller is fitted with a 520 ball bearing to provide smooth rotation and steady response on corner exits. The set comes with two screws and four aluminium spacers for mounting on Mini 4WD and Mini 4WD PRO platforms. Some bodies and guards may need slight modification for clearance.

Track use and maintenance tips

These aluminium rollers reduce friction at contact points and help maintain consistent cornering behaviour. Regular cleaning of bearings and checking of spacers will extend service life and keep lap times consistent.