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XRAY presents new authentic option parts for XRAY XB4 car:

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• High-performance pinions
• Lightweight aircraft duraluminum
• Ultra-true running
• Vibration-free operation
• Manually inspected
• Individually run-in

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High-strength pinion gears made from tough 7075 T6 aluminum and specially hardcoated for superior strength, light weight, and high durability. Created on a special gear machine, all pinions feature ultra-precise tooth shaping and ultra-true running for vibration-free operation. Fine internal threading allows easy installation. Each pinion is fine etched with the tooth number for easy & quick identification.

Available in popular gearing sizes, allowing you to find the perfect gear ratio for any track.

#365726 Alu Pinion Gear – Hardcoated 26T / 48
#365726 Alu Pinion Gear – Hardcoated 27T / 48
#365726 Alu Pinion Gear – Hardcoated 28T / 48
#365726 Alu Pinion Gear – Hardcoated 29T / 48
#365726 Alu Pinion Gear – Hardcoated 30T / 48
#365726 Alu Pinion Gear – Hardcoated 31T / 48
#365726 Alu Pinion Gear – Hardcoated 32T / 48
#365726 Alu Pinion Gear – Hardcoated 33T / 48
#365726 Alu Pinion Gear – Hardcoated 34T / 48
#365726 Alu Pinion Gear – Hardcoated 353T / 48
#365726 Alu Pinion Gear – Hardcoated 36T / 48
#365726 Alu Pinion Gear – Hardcoated 37T / 48
#365726 Alu Pinion Gear – Hardcoated 38T / 48

Fit: XB4, XB2 and XT2 cars.



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#362250-G Composite Steering Block – Graphite
#363353-G Composite Upright Rear – Graphite

• Special graphite composite mixture
• Reliable
• Durable
• Increase stability
• Increase cornering speed
• For high-traction tracks

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Molded composite steering block and rear upright made from specially-formulated graphite composite material for a perfect balance between reliability and performance. Compact yet rugged, molded from a special composite mixture for maximum strength, perfect for high-traction conditions. Make the car more stable and increase cornering speed.

For maximum drivetrain reliability, larger 5x12mm ball-bearings are used in the outer position with increased dynamic load. On the inner position, smaller 5x10mm ball-bearings are used to minimize unsprung weight.

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Fits: XB4 cars.



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#365359 Alu Wheel Hub 12mm - Offset "+3.75mm" (2)

• Optional 12mm wheel hubs
• Precision track-width change
• Swiss 7075 T6 aluminum
• Lightweight design
• Additionally drilled
• Black coated
• Marked for easy identification

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CNC-machined 12mm wheel hubs with +3.75mm offset for wider track-width, made from Swiss 7075 T6. Strategically machined for optimum strength, balance, and lightness. Marked for easy identification. Secured on drive axle by setscrew. Set of 2.

Fits: XB4 and XB2 cars.



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369902 4WD Front Wheel Aerodisk with 12mm Hex - White (10)
369903 4WD/2WD Rear Wheel Aerodisk with 12mm Hex - White (10)
329900 2WD Front Wheel Aerodisk with 12mm Hex - White (10)

• Specially-designed 1/10 off-road wheels
• Excellent for high-competition racing
• Flexible, durable material withstands impacts
• 12mm internal hex
• Perfect fit
• Value Pack



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Specially-designed XB4/XB2 wheels with 12mm internal hex. Perfect fit, recommended for high-competition racing. Made from very flexible yet durable material to withstand impacts. The side of the wheel is aerodynamic for maximum performance.

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Special features of the wheel are visible from the inside: reinforcement ribs to make the wheels as stable as possible and eliminate deformation.

Set of 5 pairs (10 pcs) for the price of 4 pairs. A great value pack.

#329900 fit XB2 cars.
#369902 fit XB4 cars.
#369903 fit XB2 and XB4 cars.



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#362581 Graphite Steering Brace Plate 2.0mm

• Increases steering
• Improves landing

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CNC-machined steering brace plate made from 2.0mm premium-grade graphite material. Increases steering and improves landings from jumps, but makes the car less stable.

Fits: XB4, XB4'14, XB4'15 & XB4'16.



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#369704 XRAY XB4 Body - Wide with Rib – Light

• Low-profile aerodynamic body
• Lightweight
• Reduces car roll
• Improves rotation
• Recommended for high-traction tracks
• Perfect fit
• Lexan™ material

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High-performance, low-profile aerodynamic body for XB4 designed by XRAY to perfectly fit the car. Lightweight, high-quality premium Lexan™ material. Reduce the roll of the car and improves rotation in corners on very-high-traction tracks. Features high-downforce areas for proper air flow, and side downforce areas and top central rib for higher stability.

Fits XB4 cars.



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#365428 Central Drive Shaft 82mm - HUDY Spring Steel™

• Two different lengths of central drive shafts
• Weight balance adjustment
• Manufactured from HUDY Spring Steel™
• Thin yet ultra durable
• Unbeatable lifetime and reliability


Optional CNC-machined CVD central drive shaft for XB4 when the central bulkhead is mounted in the REARWARD WEIGHT POSITION; this mounting position generates more traction on the rear suspension, increasing stability of the car. Recommended for use on very-low-traction tracks.

Made from world-renowned HUDY Spring Steel™ and hardened using a proprietary process, the drive shafts provide unmatched lifetime and reliability.

For use with #365425 Central Drive Shaft 95mm.

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Fits: XB4'16.



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#361265 Composite Chassis Side Guards L+R – Medium

• Chassis flex adjustment
• Medium hardness composite material
• Increases traction
• For low traction tracks

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Optional medium-hardness side guards are softer than the side guards included in the kit, and are a great tuning part for chassis flex adjustment. These medium-hardness side guards make the chassis more flexible and are recommended for low-traction tracks. Perfect fitment on the chassis seals against dirt, and provides protection from side impacts.

Fit XB4'16.



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#361294 Composite Chassis Brace Front - Medium
#361295 Composite Chassis Brace Rear – Medium

• Fine chassis flex adjustment
• Medium hardness composite material
• Increase traction
• For medium and low-traction tracks

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Optional medium-hardness front and rear chassis braces, softer than the brace included in the kit, used for fine chassis flex adjustment. These medium-hardness braces make the chassis more flexible, and are recommended for medium and low–traction tracks.

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Fit XB4'16.



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#365200 ECS Front Drive Shaft 81mm - HUDY Spring Steel™(fits XB4)
#365300 ECS Rear Drive Shaft 68mm - HUDY Spring Steel™(fits XB4 & XB2)

• Decreases vibration
• Improves stability
• Increases steering
• Improves cornering speed
• Improves traction on rear suspension
• Improves landing after jumps
• Easier to drive

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The unique XRAY ECS Drive Shaft equalizes the speed between the drive shaft and the wheel. With a unique 2-piece joint between the axle and the wheel, the same extreme wheel turning angle is divided into two shallower angles without joint binding. This means that at the same cornering speed, the inner wheel will not bind or vibrate. Drive through the corner is more stable, more precise, and easier to drive. When used in rear the ECS drive shafts help to improve traction as well. The ECS Drive Shafts help also with improved landing after jumps.

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With the ECS drive shafts, wheel vibrations and noise are decreased to minimum, steering is increased, stability of the car is increased and cornering speed and smoothness are noticeably increased as well. A must have option part.



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#361178 Graphite Chassis Brace Upper Deck 2.0mm

• Flex adjustment
• Increases stability
• Premium high-grade graphite

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Optional graphite chassis brace fits in the lower part of the composite brace connected directly to the chassis, generating more stability. When using this brace, the composite rear lower brace must be removed. Machined from high-grade graphite material.

Fits: XB4'16.



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#304932 Graphite Gear Diff Bevel & Satellite Gears (2+4) – Low

• Special graphite composite mixture
• Lower height to fit XB4 & NT1 diffs
• Lightweight
• Extra strong
• Increases drivetrain efficiency
• Minimal wear
• Long life

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Gear differential internal gears precision made from new graphite composite mixture. Includes 2 bevel gears + 4 satellite gears. Molded from an all-new special lightweight and extra-strong graphite material which gives the gears an optimal balance of hardness, toughness, and flexibility to provide long life, minimal wear, and minimizing breakage or teeth stripping. The lighter, graphite gears result in increased drivetrain efficiency. A “must have” for professional racers.

Fits XB4, NT1 & T3 cars.



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#362112-G Composite Suspension Arm Front Lower - Graphite
#363111-G Composite Suspension Arm Rear Lower Right - Graphite
#363121-G Composite Suspension Arm Rear Lower Left – Graphite

• Special graphite composite mixture
• Increase stability
• Increase cornering speed
• For high traction tracks

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New XB4 lower suspension arms made from all-new special graphite composite mixture, perfect for high-traction conditions. The graphite arms make the car more stable and increase cornering speed.

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Fit XB4 cars.



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#365875 Composite 3-Pad Slipper Clutch Spur Gear 75T / 48
#365878 Composite 3-Pad Slipper Clutch Spur Gear 78T / 48
#365884 Composite 3-Pad Slipper Clutch Spur Gear 84T / 48
#365887 Composite 3-Pad Slipper Clutch Spur Gear 87T / 48

• Exclusive secret blend of composite material
• Precision-molded
• Extra-strong
• Lightweight
• Stamped for easy identification

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Precision-molded spur gears for 3-Pad Slipper Clutch, made from XRAY's exclusive secret blend of composite material, allowing the gear to run yet be robust enough to handle high performance brushless motors. The spur gear is designed to have the lowest possible weight while staying strong and light. Each gear is stamped with the tooth number for easy identification.

Fit: XB4'15, XB4'16 and XB2.



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#329910 2WD Front Wheel Aerodisk with 12mm Hex - White (2)
#369912 4WD Front Wheel Aerodisk with 12mm Hex - White (2)
#369913 4WD/2WD Rear Wheel Aerodisk with 12mm Hex - White (2)

• 12mm internal hex
• Specially-designed 1/10 off-road wheels
• Excellent for high-competition racing
• Flexible yet durable material
• Perfect fit

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Specially-designed 1/10 off-road wheels with 12mm internal hex. Perfect fit, and perfect for high-competition racing. The wheels are made from flexible material while still being durable against impacts. The side of the wheel is aerodynamic for maximum performance.

Special features of the wheel are visible from the inside: reinforcement ribs to make the wheels as stable as possible and eliminate deformation.

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#329910 fit XB4 2WD and XB2 cars.
#369912 fit XB4 cars.
#369913 fit XB2 and XB4 cars.



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#361168 Graphite Chassis Brace Upper Deck - Short Pack (2)
#361169 Graphite Chassis Brace Upper Deck - Saddle Pack (2)

• Flex adjustment
• Generates more traction
• Various mounting points
• Premium graphite material

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Optional graphite chassis brace for short packs/saddle packs allow the removal of the top deck to reinforce the chassis. The brace is installed in the lower part of the composite brace connected directly to the chassis. By removing the top deck and using these optional braces, the car generates more traction. There are various mounting points (screws) which allow for further flex adjustment.

Suitable for both 2mm and 3mm chassis depending on the track and traction conditions.

Fit: XB4'15.

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#366220 Independent Servo Mount – Set

• Premium grade graphite
• Eliminates chassis tweak
• Increases traction
• Independent servo mount
• Left or right side mounting

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The new independent servo mount allows the steering servo to be mounted to the chassis without touching it which ensures that unwanted chassis tweak is eliminated and overall traction is increased. The servo mount can be positioned on either left or right side, depending on electronics placement. The servo mount is made from high-quality, CNC-machined graphite and a Swiss 7075 alu holder laser engraved with XRAY logo for authentic look.

Fits: XB4'15.



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#361173 Graphite Front Upper Deck 2.0mm

• Premium graphite material
• 2mm thick
• Adjusts chassis flex
• Maximum strength
• Long life
• Combine with 3mm alu chassis

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CNC-machined front upper deck shim made from premium 2mm graphite for maximum strength and long life. Recommended especially for use with the 3mm alu chassis when the standard long front top deck is not used.

Fits: XB4'15.



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#361103 Alu Chassis - Swiss 7075 T6 (3mm)

• Premium Swiss 7075 T6
• 3mm thick
• Super-strong
• Extra-stiff
• Increases cornering speed
• Increases stability

 
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