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GREAT GIFTS UNDER $100

Holiday Shopping Made Easy

NO. 19 TAKES VEGAS. A NEW LIVERY IS HERE.

Limited-Time Pre-Order Ends In:

SHIFT INTO OVERDRIVE

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Backorder | October 2026

ARRMA 39T MOD1 Spool Gear (8mm Bore)

ARRMA - ARA310951

$19.99

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ARRMA 39T MOD1 Spool Gear (8mm Bore) Overview

This 39T Mod1 Spool Gear allows you to fine tune the gearing of your vehicle

1 x 39T MOD1 SPOOL GEAR (8mm BORE)

1 x M4 x 4mm Set Screw

1 x M4 Screw Pin