MR33 Carbon Fiber M-Style Topdeck for the Xray X4'26 Touring Car.

The top deck is 2.0mm thick and can be installed at the front or rear of the car.

Contents: 1 Carbon fiber M-style top deck 2.0mm

Carbon fiber top decks for 1:10 electric touring cars: Maximum performance through targeted flex

In professional RC car racing, especially in the 1:10 scale electric touring car (TC) class , the chassis is far more than just a base plate. Today, the car's setup is largely determined by its flex characteristics . Here, the carbon fiber top deck plays a crucial role.

In this category you will find a precise selection of top decks for competition chassis from brands such as Mugen Seiki, Xray, Awesomatix and Yokomo, to perfectly adapt your setup to the track conditions.

What effect does a carbon fiber top deck have?

The top deck connects the front and rear bulkheads and stabilizes the chassis against torsion and longitudinal movement. While the main chassis forms the base, the top deck acts as the "spring" of the entire system.

The meaning of "Flex"

When an RC car goes around a curve, enormous centrifugal forces are at play. A certain degree of chassis flex allows the tires to generate more mechanical grip. A stiff top deck, on the other hand, provides more direct steering and greater stability at high speeds.

Different top deck types and their uses

Depending on the material thickness and design, the top deck massively influences the handling of your 1:10 touring car:

1. One-piece top decks (standard)

• Characteristic: Classic design that rigidly connects the front and rear axles.

• Use: Ideal for carpet tracks (high grip) . It offers maximum precision and prevents the car from becoming unstable under high grip conditions.

• Advantage: Very consistent driving behavior and direct steering response.

2. Split Topdecks

• Characteristic: Consists of two separate parts (front and back).

• Use: Perfect for asphalt or low-grip surfaces .

• Advantage: The chassis can flex more in the middle. This generates significantly more mechanical grip and allows the car to absorb bumps better.

3. Top decks with different material thicknesses

• 1.6 mm / 2.0 mm: Thinner decks offer more flex for slippery conditions.

• 2.2 mm / 2.5 mm: Thicker decks increase stiffness for extremely fast layouts or modified classes.

Tuning tip: Influence the flex by using screws

Did you know that you can change the behavior of your top deck without changing it?

• More screws: Increase stiffness (less grip, more precision).

• Fewer screws (e.g., omitting the center screw): Increase the flex (more grip, softer ride feel).

Why carbon fiber?

Carbon fiber is indispensable in the RC sector because it offers an exceptional stiffness-to-weight ratio. Furthermore, it possesses outstanding resilience : after twisting in a turn, the material immediately returns to its original shape without permanently bending (as could be the case with aluminum).

The right top deck for your model

Whether you're looking for a replacement part for your Xray X4 , a tuning part for the Mugen MTC3  , or a special flex deck for the Awesomatix A800RR – make sure it's specifically designed for your model. A perfectly fitting top deck guarantees a stress-free installation, which is essential for symmetrical handling (tweak-free).

Are you looking for more grip or more precise steering? Browse our range of high-end carbon top decks now and find the crucial piece of the puzzle for your next podium finish!

Would you like personalized advice on which top deck is the best solution for your current problem (e.g., understeer)? Simply contact us via email!