You will not be allowed to compare more than 4 products at a time
View compareHPI Racing Overdrive Differential Spool / Input Gear Set 26T/13T for Venture18
HPI Racing Overdrive Differential Spool / Input Gear Set 26T/13T for Venture18
85 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 Overdrive Diff Spool / Input Gear Set (26T/13T) is a drivetrain upgrade for the HPI Venture18 micro crawler that introduces overdrive gearing for sharper steering on technical lines. Combining a locked differential spool with a faster input ratio, this set sends more rotation to one axle for improved trail handling.
Key Features
- Genuine HPI Racing Venture18 upgrade
- Locked differential spool design
- 26T ring spool with 13T input gear (overdrive ratio)
- Sharper steering on technical lines
- Direct replacement fit
Performance Benefits
- Overdrive gearing for improved steering response
- Maximum traction with locked spool design
- Smooth, predictable drivetrain feel
- Trail-tested gear ratio combination
Usage Notes
- Best installed in front axle for traditional overdrive
- Locked spool reduces diff slip but affects on-road feel
- Apply gear grease during installation
- Set proper backlash per Venture18 manual
Technical Specs
- Product Type: Overdrive diff spool / input gear set
- Tooth Counts: 26T spool / 13T input (overdrive)
- Application: HPI Venture18
- Manufacturer: HPI Racing
- Part Number: 161165
Fitment
- Designed for HPI Venture18 platform
- Compatible with all Venture18 variants
- Scale: 1/18 Off-Road
What's Included
- (1) 26T overdrive diff spool
- (1) 13T input gear
Summary
An overdrive diff spool / input gear set for the Venture18 - sharper steering and locked traction for serious technical crawling.

