Overview
The HPI Racing Front Cup Joint (4.5x18.5mm) is a precision-machined drivetrain cup designed for the front drivetrain of the HPI Bullet MT and Bullet ST 1/10-scale vehicles. The cup joint connects to the drive shaft and allows proper articulation as the suspension moves.
This OEM-quality replacement restores smooth front drivetrain operation after wear or breakage.
Key Features
- Genuine HPI Racing OEM replacement
- 4.5x18.5mm dimensions
- Hardened steel construction
- Direct fit for Bullet MT/ST front drivetrain
Performance Benefits
- Smooth, articulated power transfer
- Maintains drivetrain efficiency through suspension travel
- Resists wear under torque
- Direct bolt-in installation
Usage Notes
Replace whenever cup interior is rounded or worn. Pack with quality grease during installation.
Technical Specs
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Type: Front Cup Joint
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Dimensions: 4.5mm x 18.5mm
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Material: Hardened Steel
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Quantity: 1 piece
Fitment
- HPI Bullet MT
- HPI Bullet ST
- HPI Bullet Nitro MT/ST
- HPI Bullet Flux MT/ST
What's Included
- (1) HPI Racing Front Cup Joint, 4.5x18.5mm
Summary
Restore smooth front drivetrain articulation to your Bullet MT/ST with this OEM-spec front cup joint.
