XRay Xb4 2017 ** SALE **

XB4 2017 All-new:

• 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

General:

• 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 for stock and modified racing
• Super easy to build, set up, maintain, and drive
• Developed, designed and styled by Dipl. Eng. Juraj Hudy, manufactured exclusively by XRAY in Europe in the world's most sophisticated RC manufacturing facility
• Revolutionary off-road platform with new benchmark for premium quality, reliability and performance
• Premium XRAY service & support

Chassis:

• Smarter chassis weight balancing options allow the motor mount and center diff assembly to move frontwards or backwards
• Unique XRAY Multi-FlexTM technology for easy chassis flex adjustment
• Swiss 7075 T6 hardcoated 2.0mm aluminum chassis with countersunk holes for flush, smooth underside
• Tough composite side guards perfectly fit the chassis to seal against dirt and protect from side impacts
• Compact electronics plate allows for mounting the speed controller for quick & easy removal and assembly
• Graphite front, central & rear upper decks independent from chassis flex adjustment and work only as part of the front, central, and rear diff assemblies
• Composite & graphite chassis braces for fine-tuning of the chassis flex
• Independent servo mount allows the steering servo to be mounted to the chassis without touching it, ensuring the elimination of unwanted chassis tweak and improvement of overall traction
• Two different battery straps short -or- long included. The long battery strap allows battery pack to be installed either frontwards or rearwards
• Battery foam back spacer ensures the battery pack will not fall out
• Thick 3.5mm graphite front shock tower & 3.0mm rear shock tower with multiple shock mounting and roll center positions
• Extra robust front & rear bulkheads allow access to the differentials using only 4 screws

Differentials & Drivetrain:

• Front & rear gear differentials with adjustable oil viscosity, featuring 35T crown steel gears and 14T steel pinion gears
• Molded front & rear gear differentials for super-smooth, maintenance-free operation, features long-lifespan HUDY Spring Steel™ outdrives
• Innovative aluminum motor mount allows frontwards or rearwards motor position for weight balance adjustment
• Motor eccentric mounting plate inserts into an integrated motor holder/drivetrain support, allowing quick & easy motor rotation for gear mesh and secure clamping with a single screw
• Robust central slip-adjustable clutch with 81T main spur gear molded from exclusive secret blend of composite material
• Internal 1:2.5 drive ratio
• 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. The shafts are hand ground for maximum precision
• Safety collars for all CVD drive shafts to keep mounting pins securely in place
• 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
• Optional 14mm offset wheel hex drive hubs available for super-fine track-width adjustment: -0.75mm, 0mm, +0.75mm and 12mm optional wheel hex drive hubs: -0.75mm, +0.75mm, +1.5mm, +2.25mm, +3.00mm, +3.75mm, +4.5mm
• Full set of 22 high-speed, blue-sealed ball-bearings used throughout the drivetrain to ensure maximum efficiency, degreased and oiled with Aero Shell® Fluid 12 for maximum smoothness and long life

Suspension:

• Swiss 7075 T6 aluminum suspension holders front and rear
• Integrated Suspension Settings (I.S.S.) for quick & easy suspension geometry setting using eccentric bushings inserted into 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.
• Lightweight 1-piece caster blocks with preset 9° caster with easy adjustable roll center position featuring larger openings for quick and easy disassembly of CVDs; optional 6° & 12° caster blocks available
• Front chassis feature pre-angled caster of 8° and with the variable I.S.S. settings a range 16~20° of total caster can be achieved
• Tiny yet robust steering blocks molded from a special composite mixture for maximum strength featuring adjustable lower roll center.
• Very compact 0° toe-in rear uprights feature 3 different upper roll center positions, staggered inner/outer bearing sizes for improved load support and unsprung weight, and wheelbase adjustability via included shims
• Oversized outer bearings in uprights to for increased dynamic loads
• HUDY Spring SteelTM material for turnbuckles (featuring a tougher core) is used for front & rear upright linkages, steering system, and servo saver
• Anti-roll bars manufactured from special spring steel material to stabilize the car at both front and rear are mounted to the diff cases & can be easily adjusted via linkages; laser-engraved markings for easy identification, available in different sizes for fine-tuning

Steering:

• Simple, effective dual-arm steering system with integrated adjustable servo saver ensures perfect steering and easy Ackermann and bump steer adjustment

Shocks:

• Consistent, reliable membrane-free big-bore shocks with bleed-screw shock cap design feature up-stop shock rod travel adjustment (via O-rings) and downstop adjustment (via shims under pistons)
• Swiss 7075 T6 aluminum shock bodies, lower nut & bleeder shock caps are hard coated
• Super-precise molded Delrin™ pistons are offered with 2-hole design & hole diameters 1.6mm and 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 lifetime
• Shock springs are shorter to allow more fine ride height adjustment; manually measured, selected and matched into pairs to guarantee equal length and damping characteristics; laser engraved for easy identification. Two types of spring sets are included in the kit.
• Full line of linear -or- progressive shock springs available
• Premium silicone oils laboratory tested and calibrated to ensure highest possible consistency and quality