The GPM MGG4951V2 drive shafts are a direct upgrade to the ARRMA Granite GROM drivetrain. Fabricated from 4140 carbon steel, the front and rear CVDs offer superior torsional rigidity and resistance to wear. 7075-T6 aluminum hex adapters ensure tight fitment, and the CNC machined steel wheel stub axles replace the stock dog bone and plastic wheel shafts to reduce breakage. Pin size is increased from 1.5mm to 2mm for firmer axle retention at speed.
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