How many bearings does the ARC R12 take?

The ARC R12 takes 24 bearings across 6 fitment positions. The Spinsmith kit ships complete.

What bearing sizes does the ARC R12 use?

It uses 3x6x2.5mm, 5x8x2.5mm, 5x10x4mm, 6x10x3mm, 10x15x4mm.

RC car · ARC

Every bearing the ARC R12 needs — the right sizes, quantities and fitment positions, in one kit.

The ARC R12 takes 24 bearings across 6 fitment positions — sizes 3x6x2.5mm, 5x8x2.5mm, 5x10x4mm, 6x10x3mm, 10x15x4mm.

24 bearings · 6 sizes · check off as you fit

Belt tensioner3x6x2.5mm×2

Sway Bars3x6x2.5mm×4

1 Spur Gear, 4 steering5x8x2.5mm×5

Wheel Bearings5x10x4mm×8

Spur Gear6x10x3mm×1

2 Front Spool, 2 rear diff10x15x4mm×4

Available tiers

STANDARDChrome steel · rubber seal · ABEC-3 equivalent$33.99● Out of stock

PREMIUMStainless races · low-drag seal$38.99● Out of stock

CERAMICHybrid · ZrO₂ balls$94.99● Out of stock

PRO-GRADEFull ceramic · matched set$161.99● Out of stock