• Aero handlebar end fittings

    Reduces vibrations by 92%.

    The advantage of tailoring things with elite technology.

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  • Saddles

    Designed to the exact measurement of your sit bones, not standard sizes.

    XC like you've never felt before.

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  • MTB grips

    No numbness, even on long descents. Total control.

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Precision-engineered. Scientifically engineered. Cyclist-validated.

Each CarboXtrem product is 3D printed on demand, using elite technology and cutting-edge materials, adapting to your body and bike down to the millimeter.
Carbon 3D
Carbon 3D
EPU41 By Loctite
EPU41 By Loctite
500%

3D-printed components made with EPU 41 can withstand up to 5 times more deformation without breaking than saddles or grips made with conventional EVA foams.

92%

Voronoi geometry + controlled elasticity filters the impact of the ground like no other material, achieving up to 92% vibration absorption.

300%

EPU 41 resin can stretch up to 3 times its original size, making it ideal for dynamic flexing in cycling.

40%

+40% energy return vs. standard TPE. Ideal for professionals looking for responsiveness without sacrificing comfort.

Carboxtrem, leader in 3D printing for high-performance cycling

At CarboXtrem we are specialists in 3D printed cycling components for those who don't accept the standard.

We design and manufacture aero bar ends, grips, saddles, and other key components with millimeter precision using materials such as carbon fiber and EPU 41 resin, used by leading brands such as Specialized and Adidas.

Each piece adapts to your body, your bike, and your discipline (road, triathlon, gravel). No one-size-fits-all. No pain. Just performance.

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Frequent questions

How do I know if it's compatible with my bike or handlebars?

Our products are custom-made. Just follow the configuration process, and we'll make sure your product fits perfectly.

Do I need special tools for assembly?

No. All of our products are designed for easy assembly with standard tools. If necessary, we include a kit and step-by-step guide.

What if it doesn't fit well or isn't comfortable?

You're guaranteed a perfect fit. If it doesn't fit or you're not satisfied, we'll help you fix it or give you your money back.

Can they withstand rain, mud and heavy use?

Yes. All our products are tested under real-world racing conditions and are made with technical materials such as EPU 41 resin and laminated carbon fiber.

How long does it take to manufacture and ship my order?

Custom manufacturing typically takes between 5 and 7 days. Once completed, it's shipped via express courier (24/48 hours in Spain).

Do you ship to other countries?

Yes, we ship internationally. See rates and delivery times at checkout.

Can I return the product if I'm not satisfied?

Yes. You're guaranteed a perfect fit. If it doesn't fit you, we'll work with you to achieve a perfect fit for your bike and your physiology.

Given the product type and customization, personalized products are guaranteed against manufacturing defects. This warranty does not cover errors resulting from incorrect measurements provided by the customer, nor wear and tear due to normal use.

What does it mean that it is 3D printed?

We use Carbon DLS technology, the same as brands like Specialized and Adidas. This allows us to manufacture components that are precisely tailored to your needs.