http://www.teamxray.com/xb4Main features:
• All-new XB4 1/10 off-road 4WD platform
• Designed for highest performance at all levels of racing
• Developed for brushless motors and saddle pack LiPo batteries
• Engineered with typical attention to the smallest details
• Manufactured with legendary artistic craftsmanship from premium European materials
• Unique XRAY Multi-FlexTM technology for easy chassis flex adjustment
• Swiss 7075 T6 hard coated 2.0 aluminum chassis
• Composite chassis frame with tray design featuring plenty of space for electronics
• Chassis designed to provide maximum traction and steering
• Precise front to rear balance as well left to right side balance
• Graphite 2.0mm: upper deck, rear braces, front steering connecting plate
• Graphite 3.0mm: front & rear shock towers
• Unique & innovative front & rear bulkheads which allow access to the differentials using only 4 screws
• Innovative aluminum motor mount with independent bayonet style motor plate allows quick, easy and secure gear mesh adjustment
• Front & rear gear differential with adjustable oil viscosity featuring 35T crown gear and 14T pinion gear
• Robust central 81T spur gear molded from exclusive secret blend of composite material
• Internal drive ratio 1:2.5
• Adjustable center slipper clutch with easy tuning featuring lightweight HUDY Spring Steel outdrives hardened for extra life and reliability
• Hardened slipper plates from Swiss 7075 T6 with black surface treatment
• Molded front& rear gear differentials included to provide increased on-power steering, and featuring maintenance-free design using premium materials like our special custom composite mixture and lightweight, hardened, HUDY Spring Steel out drives
• 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 drive shafts ensures that the mounting pins are securely captured
• Swiss 7075 T6 aluminum suspension holders front and rear
• Integrated Suspension Settings (I.S.S.) for super fast, easy and comfortable suspension geometry setting (caster, toe-in, roll-centers, kick-up, anti-squat, wheelbase, trackwidth) 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. Geometry has been tuned for performance 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° caster block 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 2 different roll center positions and 3 different upper roll center positions and with included shim on the pivot pin wheelbase is easily adjusted.
• Oversized bearings are included on outboard suspension positions to carry increased dynamic loads.
• Ultra-lightweight 14mm 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 -0.75mm and +0.75 off-set wheel hex drive hubs available for super fine adjustment
• Very simple yet effective steering system with integrated adjustable servo saver ensures perfect steering featuring easily adjustable Ackermann and bump steer
• HUDY Spring SteelTM turnbuckles specially hardened for maximum strength used for front and rear upright linkages, steering system and servo saver
• Consistent and 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 using shims under pistons
• Swiss 7075 T6 aluminum shock bodies, lower nut & bleeder shock caps are hard coated in black
• Delrin pistons molded using super precise moulds featuring multiple types of pistons including different holes and diameters for precise shock adjustment; for custom adjustment a set of blank pistons 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
• Premium shock springs designed specifically for big bore shocks; manually measured, selected and matched into pairs to guarantee equal length and damping characteristics; laser engraved for easy identification
• Full line of linear and progressive shock springs available
• Premium silicone oils laboratory tested and calibrated to ensure highest possible consistency and quality
• 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 for easy identification and available in all different sizes for fine-tuning
• 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
• Stylish & effective rear wing designed to work perfectly with the original XB4 body; made from strong Lexan material, supported by extra flat shims
• High performance low profile aerodynamic body designed by XRAY to perfectly fit the XB4 and work in most track conditions effectively
• Beefy 6mm thick body posts from special composite material for maximum strength
• Specially designed 14mm hex hub aerodisk wheels for high competition racing; featuring reinforcement ribs to eliminate deformation and molded from very flexible material to remain durable against impacts
• Aluminum self-locking wheel nuts
• Super easy to build, set up, maintain, and drive