Overview
The HPI Racing HD Machined Diff Spool / Input Gear Set (28T/11T) is a heavy-duty drivetrain upgrade for the HPI Venture18 micro crawler. Combining a machined locked differential spool with a matching machined input gear, this set maximizes traction by sending equal torque to both wheels on the axle - ideal for serious rock crawling and technical lines.
Key Features
- Genuine HPI Racing Venture18 HD upgrade
- Locked differential spool design
- CNC-machined steel construction
- 28T ring spool with 11T input gear
- Maximum torque transfer to both axle wheels
- Direct replacement fit
Performance Benefits
- Maximum traction in technical crawling
- Both wheels driven with equal torque (no diff slip)
- Heavy-duty machined construction for long service life
- Smooth gear engagement
Usage Notes
- Locked spool delivers more aggressive crawling but reduces on-road steering smoothness
- Apply gear grease during installation
- Set proper backlash per Venture18 manual
Technical Specs
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Product Type: HD diff spool / input gear set
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Tooth Counts: 28T spool / 11T input
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Construction: CNC-machined steel
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Application: HPI Venture18
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Manufacturer: HPI Racing
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Part Number: 161166
Fitment
- Designed for HPI Venture18 platform
- Compatible with all Venture18 variants
- Scale: 1/18 Off-Road
What's Included
- (1) 28T machined diff spool
- (1) 11T machined input gear
Summary
An HD locked diff spool and input gear set for the Venture18 - maximum traction and bulletproof durability for serious crawling.