SpinsmithSPINSMITH
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Fits:Serpent Viper 990e
12x18x4×128x16x5×28x14x4×26x10x3×25x8x2.5×7
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.

Serpent Viper 990e Bearing Kits – All Options

25 bearings · 6 sizes · check off as you fit

Belt Tensioner5x8x2.5mm×2
4 Sway Bars, 1 Belt Tensioner5x8x2.5mm×5
Steering6x10x3mm×2
Front Layshaft8x14x4mm×2
Spur Gear8x16x5mm×2
2 Rear Axle, 2 Front Axle, 8 Wheels12x18x4mm×12

Available tiers

STANDARDChrome steel · rubber seal · ABEC-3 equivalent$35.99● Out of stock
PREMIUMStainless races · low-drag seal$40.99● Out of stock
CERAMICHybrid · ZrO₂ balls$98.99● Out of stock
PRO-GRADEFull ceramic · matched set$168.99● Out of stock

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