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View compareHPI Racing Heavy Duty Gear Shaft 5x29mm – Bullet MT/ST and Savage XS Upgrade
HPI Racing Heavy Duty Gear Shaft 5x29mm – Bullet MT/ST and Savage XS Upgrade
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Description
Description
Overview
The HPI Racing Heavy Duty Gear Shaft is a hardened steel upgrade for the HPI Bullet MT, Bullet ST, and Savage XS platforms. With 5x29mm precision dimensions, this shaft replaces the stock gear shaft with a stronger, more durable component.
The heavy-duty construction is ideal for high-power applications and aggressive driving.
Key Features
- Genuine HPI Racing heavy-duty upgrade
- Hardened steel construction
- Precision 5x29mm dimensions
- Direct fit for multiple platforms
- Stronger than stock
Performance Benefits
- Withstands high-torque loads
- Long service life
- Reliable drivetrain performance
- Suitable for high-power motors
Usage Notes
- For Bullet MT, Bullet ST, and Savage XS platforms
- Apply gear grease during reassembly
- Inspect bearing surfaces
- Standard hobby tools required
Technical Specs
- Manufacturer: HPI Racing
- Part Number: 109925
- Dimensions: 5x29mm
- Type: Heavy Duty Gear Shaft
- Material: Hardened steel
Fitment
- HPI Bullet MT (Monster Truck)
- HPI Bullet ST (Stadium Truck)
- HPI Savage XS
- HPI Savage XS FLUX
What's Included
- 1x Heavy Duty Gear Shaft (5x29mm)
Summary
Upgrade your Bullet or Savage XS gearbox with this HPI Racing Heavy Duty gear shaft. Hardened steel, precision-fit, and built to last.

