The GPM XRTM040R/W wheelie bar wheels use 7075-T6 aluminium for structural strength while keeping unsprung mass low. A hard-anodized surface extends wear life and preserves finish under regular use. The wheels are paired with soft-compound solid rubber tyres to reduce lateral slip during wheelies, and precision 6x17x5mm ball bearings are supplied to lower rotational friction for repeatable results in competitive or practice sessions.
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