The new 2024 chassis features a revised layout with new side braces for additional flex control, 2 new positions for servo mounting in forward/rearward alternatives related to the wheelbase setting, and a new hole for the alu top-deck mount & battery backstop.

The super-narrow chassis creates maximum traction while still having excellent steering and cornering speed. The chassis’ torsional stability also helps eliminate the “scrub effect” in high-speed corners. Machined from premium high grade carbon fiber material.

The 2-piece rear pod concept is positioned above the one-piece chassis plate. As part of the new pod assembly, the pod plate controls the droop setting along with a pod angle adjustment and supports the side springs. The new rear spring location improves forward traction and lowers CG while offering increased adjustability.

The new configuration controls the pod droop adjustment using the rear bump spring. The new composite spring adjustment nut is compatible with both linear and conical springs for maximum versatility and adjustment choices.

The pod angle adjustment is a new setting for fine tuning of the handling; controlled by a set screw at the rear of chassis.

The POD assembly includes aluminum bulkheads and carbon fiber upper and lower pod plates. The pod mounting system improves traction and stability, while also reducing tweak issues after crashes.

The rear carbon fiber upper POD plate uses new super lightweight composite bushings instead of locknuts to save weight, lower CG and improve the clean look of the car. The upper plate mounts to the bulkheads with 4 centering pins and 2 screws to keep the assembly in proper alignment and minimizing the chances of tweak after an impact on the track. 

New lightweight aluminum bulkheads help lower CG as part of the new POD assembly, with the left side bulkhead adding a cooling fan mounting provision.

The bulkheads’ design minimizes weight and lowers CG to improve stability. Centering pins help align the carbon fiber plates with the alum bulkheads to reduce tweak issues in serious crashes for maximum reliability.

The bulkheads use compact eccentric bushings with fine adjustment increments for perfect ride height control while maintaining a low center of gravity. The compact ride height eccentrics allow for compact bulkhead dimensions to reduce weight and a lower CG.

The carbon fiber rear brace is thin and light, continuing with the efforts to maintain the lowest possible CG while controlling pod flex. The rear brace mounts to the bulkheads from the top with a single mounting point to improve tweak resistance.

Rear wing mount is mounted directly to the one-piece chassis which allows to significantly reduce weight and simplified assembly. The aluminum wing mount increases durability and allows complete wing adjustment including height & angle.

The adjustable wing mount system is a unique new feature of the X1. The aluminum wing mount is attached directly to the chassis with the carbon wing plate attached to the mount using pivot balls which allows to adjust angle of the wing.

There are 3 different wing angle adjustments which have direct effect on the car downforce and the car characteristics. A 0.2 mm difference in thickness between the lower and upper shims creates a 1° wing angle.

The new rear carbon fiber side spring brace utilizes composite bushing inserts pressed into the plate at the hardware attachment points for easier assembly and maintenance. 
The rear plate location maintains the super low CG focus, improving stability and handling consistency. It also contributes to chassis rigidity and tweak resistance in crashes. The side tubes are top mounted for quick assembly and maintenance.

The rear brace provides mounting locations for the battery backstop. 

The side braces are mounted as low as possible, improving stability and consistency on the track.

All-new lowered center pivot holder controls POD movement and roll center adjustment. A smaller diameter pivot ball allows for a lower roll center location if desired providing maximum adjustability.

The aluminum Tweak-Free Pod Mounting System improves traction and stability and reduces tweak issues after crashes. The system allows for a significantly lowered roll center, lowered center of gravity, and pivot height adjustment using various shims.
Forward – The most forgiving handling; car can be driven more aggressively without fear of losing rear traction.
Rearward – Improved rotation from the shorter rear pod geometry. Provides more initial steering as well as rotation which is best suited for high traction carpet.

New lightweight aluminum bulkheads help lower CG as part of the new POD assembly, with the left side bulkhead adding a cooling fan mounting provision.

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Steel side spring retainers offer more precise and more consistent side dampening action.

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All-new center shock provides exceptional bump handling, low maintenance, and helps lower CG. The spring-free design significantly reduces weight, and the 1-hole piston configuration ensures consistent handling over bumps.

The center shock features a hard anodized aluminum shock body for great durability.

A silicone shock O-ring seals the dampener for super smooth operation while preventing oil leakage.

The ultra-finely finished shock shaft with the precision-molded composite shock piston creates optimum oil flow and smooth shock absorber action.

All-new rear POD spring replaces the center shock spring. The POD spring improves forward traction, expands adjustment possibilities, and lowers CG.

The spring holder accommodates both conical/progressive and straight / linear springs.

To ensure best handling for most conditions, the included soft rear conical / progressive spring provides a balanced starting set-up out of the box.

The new battery mounting system, along with the revised graphite rear brace and front battery back stop, create an easy and convenient battery installation/removal process.

The adjustable battery mounting system secures the pack without O-ring or tape in a tweak-free, floating manner that improves traction and consistency, making the X1 more stable and easier to drive.

The battery backstop has 3 positions to control the forward position of the batteries. The distance between each position is 2mm, for a 6mm adjustment range for the battery position.

A more forward battery placement makes the car easier to drive, more predictable over bumps & reduces wheel lift in corners.

A rearward battery placement makes the car more aggressive and increases cornering speed but is more difficult to drive.

The narrower and lighter side link stands and M2.5 screws reduce weight. The side link stand features a 2-pin design for more rigidity and increased tweak resistance. The POD linkage angle adjustment provides additional fine set-up tuning.

The carbon fiber side link plates integrate with the aluminum holders‘ 2 locating pins for accurate, reliable alignment. The side link plates feature 3 positions for the side links‘ front pivot for maximum adjustability.

Changing the side link’s front pivot position will quickly alter the handling and feel of the car. The inner mounting position provides the most aggressive handling, with the most mid corner steering. The outer hole will give the most neutral handling. The middle hole, which is in between the two in terms of balance, is the best starting point for most conditions.

All-new narrower side braces purposely designed to accommodate the new chassis profile for enhanced chassis stiffness. The narrow width saves weight and creates more space for electronics.

Braces use new thinner M2.5 posts and screws for additional weight savings and remove weight from outer perimeter locations for improved rotation.

The new side braces increase overall traction, making the car more forgiving on the track.

Multi-flex positions for the side braces allow for extra fine tuning of the chassis flex to improve steering response and cornering speed.

The side brace mounts feature an ultra-low CG design to improve the stability of the car.

Carbon fiber side braces are mounted to the rear link brace and to the chassis via posts, offering multi flex adjustments - which is four in total – different flex setting alternatives to alter the chassis stiffness for different track conditions.

The shape of the arm is redesigned around the mounting area to be more robust for improved durability. The extra material reinforces the arm and reduces risk of breakage in serious crashes.

The arm’s special carbon material with a stronger compound hardness reduces flex, increases stability and improves drivability in high traction conditions. 

The front lower arm also features two mounting positions to set the car’s front width depending on the tires used to achieve correct front track width.

Now there are two different body post mounting alternatives available. The standard position features reduced components for more clear design and more space for electronics. The new low profile mounting position is placed on the side brace with reduced components and allows to mount the Low profile Short LiPo pack. 

The softer, most commonly used front coil springs are included in the kit to make the X1 even better out of the box. The grey C3.0 springs are the most used springs for both carpet and asphalt tracks and improve corner-steering.

All-new C0.7 and C1.1 coil springs were added to the line up for fine settings for foam tires.

Some information shown below may include details from previous kits, and it may vary slightly from current kit specifications.

The front bulkhead raises the graphite arm mount plate and provides more clearance for the steering links and a larger range of bump steer adjustments.

The one-piece central front bulkhead integrates the steering arm mount and optimized wheelbase adjustments for simplicity.

Graphite top decks provide chassis flex alternatives for different track conditions and adaptation for rubber or foam tires.

The unique top deck allows for adjustment of the car’s In-Line Flex™ for different traction conditions and tires.

There are three In-Line Flex™ options: Soft, Medium and Stiff.

The aluminum bearing shim eliminates radial play of the steering arm for more precise car control.

Small and light eccentric ride height bushings provide fine adjustment steps in 0.25mm increments.

Graphite braces connect the front lower arms with the chassis side braces, increasing chassis stiffness for high traction conditions, especially with foam tires. There are 4 Chassis Flex Settings:

The included gear diff became the most popular axle configuration for most track conditions and tire types, improving car handling out of the box.

The revolutionary, XRAY- designed, super-smooth gear diff is a direct replacement for the ball-differential or solid axle, allowing easy changes between all three axle types.

Using the gear differential makes the car more stable and easier to drive, especially in high-traction conditions. The gear diff increases on-power steering, which is needed on almost all types of tracks, making it a “must have” for every racer and is now included in the kit.

The complete gear differential set includes a composite case, cover and precision-molded internal satellite gears made from special XRAY-developed composite material; all ensuring long lifespan and super-smooth efficient operation. A super-strong hollow steel shaft ensures maximum reliability and strength.

The advantage of the gear diff is that it is maintenance-free. For a very long period of time, when the diff is correctly built, there is no need for maintenance or frequent oil changes plus no leakage due to the superior sealing system.

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Three axle choices give complete control of power delivery and traction characteristics to match any track condition or driver preference.

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The front suspension has great reliability, strength and is very easy to adjust.

The two different arm mount plates included in the kit have distinct track-width settings.

Narrow track width - Outer holes on the suspension arms and narrow arm plate are suggested when using standard front tire sizes like HUDY or RIDE.

Wide track width – Inner holes on suspension arms and wider arm plate are suggested when using narrow front tires likes Volante. The wide track setting increased track width by 5mm on each side.

The new front alu central bulkhead can be connected to the graphite arm mount plate and lower suspension arms to increase steering response. There are three different flex settings.

SOFT - Without brace

The car has less initial steering and is recommended for high and very-high traction carpet tracks where the car benefits by being less responsive and easier to control.

MEDIUM – With brace

Improves in-corner steering but keeps a moderate response to steering input. Recommended for medium-high traction carpet tracks and high traction asphalt tracks.

STIFF - With brace connected to front central bulkhead

Provides maximum steering response. Recommended for low-medium traction carpet tracks and for all different traction levels on asphalt tracks.

Front camber is easily adjusted via adjustable front upper. No longer requiring multiple camber bushings to make changes, the entire camber range is easily adjusted directly on the suspension.

Caster is easily adjusted via front upper plate eccentric alu bushings.

The kit includes a set of 2 dots eccentric bushings with 4.5°/9° caster setting. Using optional bushings and changing the orientation of the bushings, additional caster settings of 3°, 6°, 7.5° and 10.5° can be achieved.

A full set 8 high-speed, blue-sealed, steel ball-bearings are used throughout the drivetrain and steering to ensure maximum efficiency. All bearings are degreased and oiled with AeroShell® Fluid 12 for maximum smoothness and long life.

The adjustable rear wing allows for easy adaptation to varying track conditions. The highly-efficient rear wing works together with the X1 racing body, which has air flow channels to direct air onto the wing to help generate rear traction and stabilize the car in chicanes.

The rear wing mounting system features a graphite mount and aluminum stands. Using composite shims between the wing and the alu stands, the wing position can be easily adjusted. The height of the rear wing can be adjusted by changing the mounting position on the graphite plate.

HUDY Exclusive Silicone Oils are manufactured in Europe and each batch is laboratory tested and calibrated to ensure the highest possible consistency and quality from batch to batch. Based on the industry-standard cSt rating, the new line of oils will be easy to identify, adjust, and feel.

When following any set-up sheets by XRAY or XRAY team drivers, you can be sure that the oils you will get for your car are exactly same as those used by the factory racing team, thus ensuring very exacting set-ups and handling.

HUDY Chem Series.

The X1 is fully adjustable for: front camber, caster, track-width, front & rear ride height, central & side shock absorbers, central shock spring, pod damping, downstop, battery position, weight balance, differential, Ackermann, bump steer, front downforce spoiler, and rear wing.  

XRAY Instruction Manuals have become the industry standard; they are simply the best manuals you will ever get with an RC model car. Whether you are a first-time builder or an experienced racer, all instructions are straight-forward and easy to understand. The full-color Instruction Manual contains large 3D illustrations that show all assembly details in the easiest and most comprehensive manner.