Overview
Eliminate stock CVD dog-bone failures and plastic wheel-shaft breakage on your Arrma Grom with the Hot Racing Heavy-Duty Steel Narrow Rear CVD Universal Drive Axle Shafts. CNC-machined from heavy-duty steel and pre-assembled with aluminum clamping wheel hexes, these rear narrow CVD axles are a complete, drop-in drivetrain upgrade.
Unlike the factory dog-bone-and-plastic-axle setup, true CVD universal joints maintain constant velocity through the full steering and suspension travel — eliminating the bind, vibration, and broken shafts that plague the stock drivetrain. For Grom drivers running brushless power or hitting big jumps, this is one of the highest-impact upgrades you can install.
Key Features
- Heavy-duty CNC-machined steel construction
- True CVD universal-joint design — constant velocity at all angles
- Aluminum clamping wheel hexes pre-installed
- Direct replacement for Arrma ARA311229 and ARA311227
- Narrow-width design for the Grom Narrow chassis
Performance Benefits
- Eliminates dog-bone bind and vibration at extreme angles
- Far more durable than stock plastic wheel shafts
- Slop-free aluminum clamping hex interface
- Handles brushless torque without breakage
Usage Notes
Apply light grease to the CVD pivots during installation to maintain longevity and ensure smooth operation. Apply removable thread-locker on the wheel hex clamping screws. Re-grease pivots periodically as part of routine maintenance.
Technical Specs
- Material: Heavy-duty CNC-machined steel
- Style: True CVD universal joint
- Hex Hubs: Aluminum clamping (pre-installed)
- Width: Narrow (Grom Narrow spec)
- Position: Rear axles
- Replaces: Arrma ARA311229 and ARA311227
What's Included
- Two (2) assembled steel rear CVD universal axle drive shafts
- Aluminum clamping wheel hexes (pre-installed)
Fitment
- Arrma 1/18 Grom Narrow
- Arrma Grom vehicles using ARA311229 and ARA311227 rear axle assemblies
Summary
The Hot Racing Heavy-Duty Steel Narrow Rear CVD Universal Drive Axle Shafts deliver bulletproof drivetrain reliability for the Arrma Grom Narrow. CVD geometry, steel construction, and aluminum clamping hexes — exactly what brushless power and hard bashing demand.
