These 19mm aluminum ball race rollers from 3Racing are a straightforward upgrade for Tamiya Mini 4WD racers looking to trim rotating mass. The ringless construction keeps each roller light while the pink finish adds a clear visual touch to your build.
The rollers are engineered to reduce bearing friction and help stabilise your car through bends. At 19mm diameter they strike a balance between stability and agility, helping to keep lap times consistent without heavy modifications.
These 19mm rollers suit many Tamiya Mini 4WD chassis, including MS, MA and AR types, and they integrate with common roller mount setups. Installation is straightforward for hobbyists who already run standard Mini 4WD components.
Fitting these lightweight rollers can improve traction feel and corner transitions, especially when combined with tuned gearing or motor choices. They are a practical upgrade for racers aiming to refine handling for technical tracks.
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