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View compareHPI Racing Hard Anodized Aluminum Knuckle Set – Optional Upgrade for WR8 / Bullet MT/ST
HPI Racing Hard Anodized Aluminum Knuckle Set – Optional Upgrade for WR8 / Bullet MT/ST
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Description
Description
Overview
The HPI Racing Hard Anodized Aluminum Knuckle Set is a premium optional upgrade for the HPI WR8, Bullet MT, and Bullet ST platforms. CNC-machined from aluminum and finished with a tough hard-anodized coating, these knuckles replace the stock plastic units with race-grade durability.
The aluminum construction provides increased strength for aggressive driving, while the hard-anodized finish resists scratching and wear.
Key Features
- Premium CNC-machined aluminum construction
- Hard-anodized scratch-resistant finish
- Direct fit for WR8 and Bullet MT/ST
- Stronger than stock plastic knuckles
- Premium racing-grade upgrade
Performance Benefits
- Increased strength and durability
- Reduced flex during cornering
- Hard-anodized finish resists wear
- Premium racing aesthetic
- Long service life
Usage Notes
- For WR8 and Bullet MT/ST platforms
- Apply thread lock to fasteners
- Inspect bearings during installation
- Standard hobby tools required
Technical Specs
- Manufacturer: HPI Racing
- Part Number: 108078
- Material: CNC-machined aluminum (hard anodized)
- Application: Wheel Knuckles (Optional Upgrade)
Fitment
- HPI WR8 (1/8 scale rally)
- HPI WR8 Flux
- HPI WR8 3.0
- HPI Bullet MT (Monster Truck)
- HPI Bullet ST (Stadium Truck)
What's Included
- 1x Aluminum Knuckle Set (WR8/Bullet MT/ST Opt)
Summary
Upgrade your WR8 or Bullet drivetrain with these premium HPI Racing hard-anodized aluminum knuckles. Stronger, harder-wearing, and built for serious driving.

