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Drive System: 4WD
improving climbing
Blue anodized caps
This book will guide you through your conquest for power
Like all other Ugears models
Hot Racing Arrma Grom Rear Steel Helical Differential Ring & Pinion Gears Set Black Drive System: 4WDHot Racing's rear 30T 12T helical ring and pinion set upgrades the rear differential with precision machined high carbon steel spiral cut gears. The helical tooth form distributes load smoothly and is designed for increased strength and durability. Compatibility: ARRMA Granite Grom, Mojave Grom and Typhon Grom. Install the ring and pinion as a matched set. Do not mix with stock straight cut ring or pinion gears; use matching gear cut style front and