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XRAY XB4 4WD 2017 Specs - 1/10 Electric Off-Road Car

XRAY XB4 4WD 2017 Specs - 1/10 Electric Off-Road Car

XRAY XB4 4WD 2017 Specs - 1/10 Electric Off-Road Car

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Produktinformationen "XRAY XB4 4WD 2017 Specs - 1/10 Electric Off-Road Car"

2017 All-new Features:
• 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

Servo Mount.

The 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. The servo mount can be positioned on either left or right side, depending on electronics placement.


Chassis Brace.

The graphite chassis brace – machined from high-grade graphite material – is installed in the lower part of the composite brace connected directly to the chassis. The brace reinforces the rear of the car and generates more stability while increasing traction. The chassis brace is a vital part of the Multi-Flex™ setting. When using the graphite chassis brace, the composite rear lower brace must be removed.


Shock Towers.

The front shock tower has a new design with different shock mounting positions featuring an extra additional shock mounting position for extra-fine tuning. Both front & rear shock towers are machined from premium-grade graphite and are lightweight & strong, with multiple shock positions and roll center adjustment positions. The front shock tower is 3.5mm thick; the rear is 3.0mm thick and holds the wing mount.


Shock Pistons.

Shock pistons are made from Delrin® and are molded using ultra-high precision moulds. All-new 2-hole pistons (1.6mm and 1.7mm holes) are now included in the set.


Shock Springs.

The all-new shock springs are shorter to allow more fine ride height adjustment especially on carpet tracks. The XB4 springs have been specifically designed to complement the big-bore shocks.
There are two types of springs in offer:
• Linear – The spring rate is constant during the entire spring compression. Springs with different linear spring rates are available as optional tuning parts.
• Progressive - The main advantage & benefit of progressive springs is that as the car initially enters the corner the springs work like softer springs to provide maximum traction. As the chassis begins to roll in the middle of the corner, the spring rate progressively increases until it works like a stiffer spring which allows the car to maintain maximum cornering speed.
XB4 springs, like all other XRAY springs, are manually measured, selected, and matched into pairs to guarantee precisely equal length and damping characteristics.
Each spring is laser-engraved with stripes to indicate the firmness; the more strips, the harder the spring.

Suspension Arms.

XB4 suspension arms are the result of long-term testing of different designs and layouts. Length, thickness, flexibility, geometry, and materials used… these are all part of the concepts and details that are thoroughly reviewed to create optimum suspension arms. The suspension arm itself is rigid enough to provide a responsive feel, yet soft enough for extreme durability. The exclusive composite mixtures used for suspension arms offer a perfect balance between reliability & performance. There are three different suspension arms available: medium (optional), hard (included), and graphite (optional), each suitable for particular track conditions. The new hard suspension arms increase stability in high-traction conditions, and help to increase cornering speed.

Caster Blocks.

The 1-piece caster blocks are very lightweight, yet the construction makes them very stiff and rigid. The non-adjustable caster angle is preset to 9°. Roll center position can be quickly & easily adjusted by inserting different thickness of shims atop the caster block (between the block and the vertical ball stud).
The front of the chassis is pre-angled with an integrated 8° caster angle, however the position of the adjustable eccentric bushings in the I.S.S.™ suspension holders influences the caster as well. (For example, if the eccentric bushings have the roll center in middle position, the caster angle is 9° which when added to the 9° caster block gives a total of 18° caster. The total adjustability range for caster is 16-20°.)
Optional caster blocks with 6° and 12° built-in caster angles are available for further suspension geometry adjustment.
There are four different caster blocks available: medium (optional), hard (included), graphite (optional) and aluminum (optional), each suitable for particular track conditions.
The new hard caster blocks increase stability in high-traction conditions, and help to increase cornering speed.

Rear Uprights.

The super-compact rear uprights feature 3 different upper roll center positions. The rear uprights have 0° toe to ensure stability and to prevent suspension geometry changes in hard crashes.
For maximum drivetrain reliability, larger 5x12 ball-bearings are used in the outer positions for increased dynamic load. Smaller 5x10 ball-bearings are used in the inner positions to minimize unsprung weight.
The outer suspension pin on which the rear upright sits uses adjustment shims to alter the wheelbase.
There are four different uprights available: medium (optional), hard (included), graphite (optional), and aluminum (optional), each suitable for particular track conditions.

Side Guards.

Tough composite side guards perfectly fit the chassis to seal against dirt and protect from side impacts.
To improve protection against dust, Velcro® double-sided tape is now included to ensure a perfect seal of the body to the side guards, to reduce the noise level of the running car.
Molded from a hard composite material, the side guards are an important part of the chassis flex adjustment for the majority of track conditions. For very-low-traction tracks, optional medium stiffness side guards are available.


The invention of XRAY Multi-Flex Technology™ has resulted in some of the most significant milestones in RC model car development in the last decade. This innovation has not only resulted in awards and accolades, but has proven to be a distinct competitive advantage at tracks worldwide to help XRAY cars dominate races at local and national levels.
The XB4 incorporates Multi-Flex™ adjustment technology, which allows tuning of chassis flex for different track conditions.
Regardless if the track has low, medium, or super-high traction, you can adjust the chassis flex to suit track conditions to gain a competitive advantage.



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