You will not be allowed to compare more than 4 products at a time
View compareHPI Racing HD Machined Differential Spool / Input Gear Set 28T/11T for Venture18
HPI Racing HD Machined Differential Spool / Input Gear Set 28T/11T for Venture18
146 in stock
Sold by ToyTooth — Your trusted kids' toy store.
Returns accepted within 30 days | support@toytooth.com
Shipping Information
Shipping calculated at checkout
Shipping cost and estimated delivery will be shown at checkout based on your location.
- Processing Time:3–5 business days
- Tracking number sent via email once dispatched
Returns & Refund
Returns accepted within 30 days of delivery.
Damaged or Defective Item
Free return shipping + replacement or full refund
Wrong Item Received
Free return shipping + replacement or full refund
Change of Mind
Return shipping at customer's expense · Item must be unused & in original packaging
Safety & Compliance
California Proposition 65 Warning
Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
www.P65Warnings.ca.govGeneral Product Safety Advisory
Always read the product label, instructions, and safety warnings before use. Do not use damaged or modified products. Store products in appropriate conditions as specified by the manufacturer.
Keep all products out of reach of children unless specifically designed for their use.
Product Authenticity & Notice
All products sold by ToyTooth are 100% authentic, sourced directly from trusted toy suppliers and brands. Product colors and dimensions may vary slightly from images due to screen calibration and manufacturing tolerances.
ToyTooth — Fun Toys for Every Kid, Delivered to Your Door.
Share
Couldn't load pickup availability
Guarantee safe and secure checkout
Description
Description
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
- Product Type: HD diff spool / input gear set
- Tooth Counts: 28T spool / 11T input
- Construction: CNC-machined steel
- Application: HPI Venture18
- Manufacturer: HPI Racing
- 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.

