The Tamiya 15181 9mm Diameter Guide Roller Ball Bearings offer a small-diameter solution for builders seeking greater control and a lower ride height on Mini 4WD cars. As the smallest size in the Tamiya series, these rollers let you tweak handling characteristics and pair effectively with 13mm bearings to customise balance and roll clearance.
Crafted to cut friction and enhance stability, these bearings help the car stay steady through sequence corners and technical sections. Their reduced size assists in lowering the centre of gravity, making them a sensible choice when precise steering and predictable behaviour are priorities.
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