All-new 2017

All-new motor position

All-new gear box

All-new gear box gears 36T

All-new motor plate

All-new motor plate brace

All-new rear suspension holder

All-new shock pistons

Increased steering

Increased traction

Improved high-speed stability

Improved reliability


  • Brand new, ‘from ground up’ 2WD 1/10 electric racing buggy
  • Uni-Platform™ concept: Carpet Edition and Dirt Edition
  • Full compatibility and interchangeable parts
  • Designed for highest performance at all levels of racing
  • Engineered with attention to smallest details
  • Manufactured with legendary artistic craftsmanship from premium European materials
  • EFRA, ROAR, FEMCA spec compliant
  • Super easy to build, set up, maintain, and drive
  • Developed, designed, and styled by European Champion Martin Bayer and Dipl. Eng. Juraj Hudy, manufactured exclusively by XRAY in Europe in the world's most sophisticated RC manufacturing facility
  • Setting the new benchmark for premium quality, reliability and performance
  • Premium XRAY service & support


Uni-Platform™ Concept

  • Uni-Platform™ concept – two editions: Carpet Edition and Dirt Edition
  • Single platform, two editions for different traction conditions
  • Full compatibility and interchangeable parts
  • Carpet Edition:  designed for medium to very-high traction conditions
    •  Gear differential
    • Front-mid motor gear box (3-gears)
    • Front-mid motor plate
    • Graphite front & rear shock towers
    • Rear roll center holder
    • Motor upper brace
    • Battery strap
    • Front wing
    • Hard composites
  • Dirt Edition:  designed for very-low, low, medium, and medium-high traction conditions
    • Ball differential
    • Mid motor gear box (3-gear)
    • Mid motor plate
    • Composite front & rear shock towers
    • Rear roll center holder
    • Motor upper brace
    • Battery strap
    • Gear cover
    • Medium composites


  • Optimal chassis weight distribution & balance, specific to Carpet Edition or Dirt Edition
  • Carpet Edition – Gear Box and Motor Plate specifically designed to mount the motor in middle position with top shaft positioned lower
  • Dirt Edition – Gear Box and Motor Plate specifically designed to mount the motor in front-middle position with top shaft positioned higher
  • Unique XRAY Multi-Flex™ technology for easy chassis flex adjustment
  • Swiss 7075 T6 hardcoated 2.0mm aluminum chassis: lightweight, strong, rigid
  • Electronics layout allows for moving the batteries frontwards/rearwards, as well as using standard or mid-size servos and either using saddle pack or short pack batteries
  • Composite side guards are an integral part of the XB2 Multi-Flex™ system
  • Custom-designed front lower chassis brace, available in medium and hard hardness for specific track conditions
  • Front protection bumper
  • Custom-designed upper deck, available in medium and hard hardness for specific track conditions
  • Swiss 7075 T6 aluminum motor plate, specific to Carpet Edition (mid-motor) or Dirt Edition (mid- or rear-motor)
  • Battery strap with foam spacer
  • Lightweight, strong shock towers with multiple shock mounting positions, specific to Carpet Edition (graphite) or Dirt Edition (composite)
  • Pre-drilled chassis holes for additional weights for optimum car balancing; centerline holes are pre-drilled for easy balancing with the HUDY Chassis Balancing Tool #107880

Drivetrain & Differentials:

  • Carpet Edition – Gear Box and Motor Plate with lowered top shaft, forward-shifted motor for improved steering and handling on higher-traction surfaces
  • Dirt Edition – Gear Box with raised top shaft, motor placement closer to differential for improved rear grip in lower-traction conditions
  • Conventional gear-driven 2WD off-road car
  • Unique gear box, specific to Carpet Edition or Dirt Edition
  • Included rear differential is specific to Carpet Edition (gear differential with adjustable oil viscosity, 53T gear & internal satellite gears) or Dirt Edition (externally-adjustable ball differential with high-quality carbide thrustbearing and carbide balls)
  • 36T graphite composite idler gear
  • 20T super-lightweight Swiss 7075 T6 hardcoated aluminum top shaft
  • Robust slip-adjustable clutch with 84T main spur gear molded from exclusive secret blend of composite material
  • 3-pad slipper clutch with ultra-efficient SLS material for more efficient & precise slip adjustment, and HUDY Spring Steel™ hardened outdrives for extra lifespan and reliability
  • Constant velocity drives (CVD) are manufactured from special HUDY Spring Steel™ for reduced weight and increased durability
  • Ultra-lightweight 12mm wheel hex drive hubs CNC-machined from Swiss 7075 T6 and additionally black-coated have ultra-true hex clamping design which ensures solid mounting of the wheel
  • Full set of 22 high-speed, blue-sealed ball-bearings are used throughout the drivetrain to ensure maximum efficiency, degreased and oiled with AeroShell® Fluid 12 for maximum smoothness and long life


  • Integrated Suspension Settings (I.S.S.) for quick & easy suspension geometry setting using eccentric bushings inserted into Swiss 7075 T6 aluminum suspension holders
  • Specially-designed suspension components manufactured from carefully formulated custom composite mixtures to ensure proper flex and durability
  • Race-perfected suspension geometry for superior performance and versatility in all racing conditions.
  • Suspension parts: arms, steering blocks, caster blocks and uprights are available in medium and hard hardness for specific track conditions
  • Lower composite arm mount with integrated 26° kick-up angle; optional aluminum and brass arm mounts available
  • Lightweight, rigid caster blocks can achieve different overall caster angles using included caster bushings
  • Tiny yet tough steering blocks comprised of composite steering blocks + graphite Ackermann extensions
  • Adjustable weight balance & wheelbase via included shims on outer suspension pins
  • Compact rear uprights with 0° toe and 6 different upper roll center positions
  • HUDY Spring Steel™ material for turnbuckles (featuring a tougher core) is used for front & rear upright linkages, and steering system.
  • Optionally available rear anti-roll bar set to stabilize the rear of the car; easily adjusted via linkages; laser-engraved markings for easy identification, available in different sizes for fine-tuning


  • Simple yet effective dual-arm steering system
  • Fully bearing-equipped with 8 high-speed ball-bearings for very precise steering
  • Easily-adjustable Ackermann by quickly changing the steering link mounting positions on the steering plate
  • Bump steer adjustment for more aggression
  • Ackermann adjustment via included shims or using various graphite extension plates on steering blocks


  • Consistent, reliable, membrane-free shocks with bleed-screw shock cap design feature up-stop & downstop adjustment via shims (under shock collar, and under pistons, respectively)
  • Swiss 7075 T6 aluminum shock bodies, lower nut & bleeder shock caps
  • Super-precise molded Delrin™ pistons are offered with 2-hole & different diameters (1.6mm & 1.7mm) for precise shock adjustment, for custom adjustment, a set of blank pistons (no holes) are also included
  • Shock rods are machined from a special steel material, precision hand-ground for maximum smooth operation and additionally hardened for increased lifespan
  • Premium shock springs designed specifically to complement the XB2 shocks; manually measured, selected and matched into pairs to guarantee equal length and damping characteristics; laser engraved for easy identification
  • Full line of linear -or- progressive shock springs available
  • Premium silicone oils laboratory tested and calibrated to ensure highest possible consistency and quality

Body, Wings, Wheels:

  • High-downforce, low-profile aerodynamic Lexan™ body designed to perfectly fit the XB2, flat cockpit & body sides to direct airflow for improved side stability, and rooftop flow channels
  • Tough composite side guards feature double-sided Velcro™ tape to seal the body perfectly to the chassis and seal against dirt.
  • Optional available ultra-lightweight body for very-high-traction tracks conditions
  • Stylish, effective Lexan™ rear wing designed to work perfectly with the XRAY XB2 body, supported on wing mounts by extra flat shims to better support and extend the life of the wing. Optionally available thicker 1.5mm (#323511) rear wing for higher traction & stability
  • Lexan™ front wing generates front downforce, mounted directly on the front shock tower
  • Specially designed 12mm hex hub wheels for high-competition racing; featuring reinforcement ribs to eliminate deformation and molded from very flexible material to retain shape even after impacts

Assembly, Set-up & Support:

  • Premium 3D full-color Instruction Manual & supplementary sheets
  • To fully understand the set-up possibilities we recommend the legendary HUDY Set-up Book which is loaded with over 40 pages of high-quality pictures and easy-to-read RC car set-up explanations
  • Exclusive Virtual Online Setup Sheet database with thousands of set-up sheets for race tracks around the world
  • Premium, unmatched XRAY online support

Adjustment Possibilities:

  • Fully-adjustable front and rear suspension geometry: caster, camber, rear toe, kick-up, anti-squat, ride height, downstops, track-width, roll center, wheelbase, Multi-Flex™
  • Adjustable rear differential action
  • Adjustable slipper clutch
  • Adjustable HUDY Sprint Steel™ turnbuckles (steering, front & rear upper links)
  • Multiple upper & lower shock mounting locations at front & rear
  • Adjustable Ackermann and bumpsteer
  • Optional adjustable rear anti-roll bar
  • Chassis pre-drilled holes for weight balance adjustment



1/10 electric 2WD off-road car


Adjustable 245-250mm


274mm (394 with wing)


Adjustable  282-285mm



Ready-to-run weight:




CNC-machined Swiss 7075 T6 aluminum 2mm

Front upper deck:

Hard composite



Adjustable suspension via Integrated Suspension System I.S.S.

Rear suspension:

Lower arm with adjustable upper camber link

Front suspension:

Lower arm with adjustable upper camber link and with adjustable caster 0°, 2.5° and 5°

Rear upright:

Composite 0° toe-in with dual arm mounting and 7 roll center positions


Membrane free shock absorbers with Delrin pistons

Shock towers:

Front & rear machined 4.0mm & 3.5 mm laminated carbon graphite (Carpet Edition) or composite (Dirt Edition) with multiple shock mounting





Pinion / spur

Drive shafts:

HUDY Spring Steel™ CVD drive shafts


Sealed gear differential, 6 gear, silicone-filled

Slipper clutch:

Adjustable 3-Pad


Rubber-sealed high-speed bearings


Primary ratio:


Gear Box gear:


Differential pulley:


Spur gear:

84T (75T, 78T, 81T & 87T option)

Motor pinion:

Not included



Adjustable front + rear

Front Caster:

26° static + caster in caster block = 26°, 28.5°, 31° total caster range


Adjustable front + rear


Adjustable front + rear

Front kick-up:

Adjustable 26°~31°

Rear anti-squat:

Adjustable 0°~4°

Anti-roll bars:

1.0mm, 1.1mm, 1.2mm rear (option only)



Bump steer:



Centrally-positioned dual steering system

Body, Tires, Wheels & Misc


XRAY XB2 body


Not included


XRAY Aerodisk 12mm Wheel hex hub

Adjustment Possibilities

Standard adjustment:

Camber, toe-in, caster, track width, wheelbase, kick-up, anti-squat, roll center, Ackermann, bump steer


Full-color manual with 3D graphics (40 pages)

Set-up book:

Not included. HUDY 2-color off-road set-up book (40 pages) can be downloaded in the Download section and it shows 1/8 off-road models in photographs contained within it. However, the methodology and set-up theory are the same for all modern 1/10 off-road cars.


Carton box with vinyl bags with parts

Additionally included

HUDY Graphite Grease, Silicone Oils, Authentication Certificate, Parts list & Exploded view, Decals

Items Not Included


Radio system (transmitter and receiver), steering servo, motor, pinion gear, LiPo battery packs, speed controller, charger, tires, inserts, double-sided tape, CA glue, bearing oil, medium-grade (blue) threadlock, universal tool for all nuts and turnbuckles and other tools


All specifications are subject to change without prior notice. Pre-production prototype is shown, final specifications may slightly vary. In some pictures optional parts may be shown. All option parts are not included and must be purchased separately. The color of some aluminum parts may vary from kit to kit and some of the kits may not include all the orange or black parts as shown. Some of the spare parts or option parts may not be available at the moment in the orange or black color as shown.