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1/10 XRay XB4D'21 4WD Electric Off-road Buggy Kit (Dirt Edition) and Parts
1/10 XRay XB4D'21 4WD Electric Off-road Buggy Kit (Dirt Edition) and Parts
XRAY XB4D'21 - 4WD 1/10 Electric Off-Road Car Kit - Dirt Edition
2021 Features:
- Next generation of the multi-time World Champion XB4 platform
- Available in Carpet and Dirt Editions ready for high or low track conditions
- All-new front & rear bulkheads with Horizontal Split Design (HS)
- All-new front and rear diff height adjustment
- All-new central drivetrain angle and height adjustment
- Longer front and rear central drive shafts and shortened pinion gears for improved drivetrain efficiency
- All-new Multi-Adjustable Slipper Clutch with independently adjustable front/rear slippage
- New 2mm chassis redesigned to accommodate all the new components
- All-new front & rear suspension holders with extra-wide range of set-up adjustments
- Revised front & rear shock towers with closer shock positions for finer adjustment
- Updated front shock absorber bodies and shafts shortened by 2mm for increased stability and corner speed
- All-new tweak-free Quick Battery Holder featuring smart height adjustment
- New rear body mount with a more frontward position to accommodate the new bodies
- All-new servo saver stands to accommodate the new front Horizontal Split Bulkhead (HS)
- Two new Gamma body styles are designed to enhance the handling characteristics of the Carpet and Dirt Edition kits
World Champions
At the World’s most competitive off-road race – the IFMAR World Championship, it was XRAY’s Bruno Coelho and Daniel Kobbevik securing another World Champion and Junior Champion titles for the XB4 platform.
XRAY XB4 – the 4x World Champion 1/10 off-road 4WD car that will bring you to the Winners’ Circle.
Made in Europe
Engineered and manufactured in-house at the XRAY factory located in Slovakia, Europe, the XB4 is a fantastic demonstration of XRAY’s attention to detail in all of its products. The XB4 is created by XRAY’s design staff using premium European materials and sophisticated German and Swiss machines.
Pairs well with
Easy to use for beginners
Durable build for long-lasting fun
Quick recharge and extended range for all-day play
Perfect for pools, lakes, and calm rivers

1/10 XRay XB4D'21 4WD Electric Off-road Buggy Kit (Dirt Edition) and Parts
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Engineered for Speed. Built for Control.
Our RC vehicles and parts are crafted with cutting-edge tech and tested for durability. From high-speed drones to rugged RC cars and boats, every product delivers serious fun and unmatched reliability.
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Got Questions? We've Got Answers
What types of RC vehicles do you sell?
We offer a wide range of RC vehicles including airplanes, drones, helicopters, cars, trucks, boats, and a full selection of parts and upgrades for each.
Are your products ready to run (RTR) or require assembly?
Most of our models are RTR (Ready to Run) or RTF (Ready to Fly), meaning they include everything you need out of the box. Some kits may require minimal assembly—check the product description for details.
Do you offer replacement parts?
Yes! We stock replacement parts for most models we sell. If you’re not sure which part you need, contact our support team and we’ll help you find the right match.
How long does shipping take?
Orders typically ship within 1–2 business days. Delivery time depends on your location, but most customers in the U.S. receive their orders within 3–7 business days.
Do you ship internationally?
At the moment, we primarily ship within the U.S., but international shipping is available on select items. Please contact us for a custom quote.
























