Lock in serious traction with the Hot Racing Aluminum Differential Locker Spool for the Arrma Grom lineup. Designed to replace the front or rear diff, this CNC-machined aluminum spool forces both wheels on an axle to rotate together—perfect for crawling, bashing, or low-traction terrain where grip is everything.
🔧 Features:
✅ CNC-machined solid aluminum construction for strength and durability
✅ Anodized red finish for corrosion resistance and a sleek look
✅ Locks the differential for equal wheel speed and max traction
✅ Ideal upgrade for low-traction, off-road environments
📦 Includes:
• (1) Aluminum Differential Locker Spool Set
🚗 Compatibility:
• Arrma Granite Grom
• Arrma Mojave Grom
• Arrma Typhon Grom
💡 Note: Recommended for use on loose surfaces. On high-traction terrain, driveline stress may increase.