The XB4 is typical XRAY: ultimate professional, high-competition RC car for the most demanding racers, developed with attention to the finest detail, and backed by premium service & support…a luxury masterpiece.
XRAY has been a driving force in the 1/10 off-road car racing scene since the release of the first XB4. Continuous development and evolution of the XRAY product line has led to ever-increasing performance. The craftsmanship, durability, and performance of XRAY kits have become legendary. Be part of the family, live the heritage.
With countless wins in multiple classes at local, regional, national, and international levels, XRAY has become the standard by which 4WD off-road cars are measured.
• New independent servo mount
• New rear graphite chassis brace
• New front shock tower
• New Delrin® shock pistons
• New shorter shock springs
• New hard suspension arms
• New hard caster blocks
• New hard rear uprights
• New 12mm hex hubs
• New front & rear 12mm wheels
• New Velcro® closures
for dust-free body mounting
Motor Mount Assembly.
To accommodate the Multi-Flex™ and upper deck design, the motor mount allows adjustment of the weight balance by placing the motor weight either frontwards or rearwards.
The XB4 is a conventional shaft-driven 4WD off-road car featuring:
• front & rear gear differential with adjustable oil viscosity,
featuring steel 35T crown gear and steel 14T pinion gear
• central slip adjustable clutch with 81T main spur gear
• front, central, and rear CVD drive shafts
The internal ratio of the drive train is 1:2.5