SpinsmithSPINSMITH
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Fits:PR Racing SB401
10x15x4×85x13x4×45x10x4×65x8x2.5×4
Front view of a Spinsmith precision ball bearings retail pack

Genuine Spinsmith

Ships as a bagged, labelled Spinsmith kit. The sizes, quantities and fitment positions for this model are shown in the diagram above.

PR Racing SB401 Bearing Kits – All options

22 bearings · 4 sizes · check off as you fit

Steering5x8x2.5mm×4
2 Front Hubs, 4 Diff Pinions5x10x4mm×6
2 Front Hubs, 2 Rear Hubs5x13x4mm×4
4 Diffs, 2 Slipper, 2 Rear Hubs10x15x4mm×8

Available tiers

STANDARDChrome steel · rubber seal · ABEC-3 equivalent$30.99Out of stock
PREMIUMStainless races · low-drag seal$35.99Out of stock
PRO-GRADEFull ceramic · matched set$147.99Out of stock

Pricing is being finalised for this SKU. Prices show as POA until seeded.