CarboXtrem
Carbon 3D Nexus Saddle
Carbon 3D Nexus Saddle
With the 3D Nexus Saddle, every rider enjoys a custom-made solution optimized for their body and riding style. A technological advancement that elevates the experience of every ride.
Superior comfort: Fatigue reduction and vibration absorption.
Compac format 140mm x 240mm, and with only 146 gr.
DLS Technology by Carbon 3D: Unmatched precision and consistency.
Couldn't load pickup availability
- Custom made. 100% compatible.
Perfect fit guarantee.
- Manufacturing time 5-7 days. Shipping within 24/48 hours.
Maximum comfort. Minimum weight. No compromises.
CarboXtrem’s 3D printed saddle is not just another one.
It is the result of applying the best manufacturing technology to high-performance cycling.
Made with Loctite EPU 41 resin and Carbon3D Digital Light Synthesis™ technology, this saddle offers a perfect balance of lightness, flexibility and support.
Its Voronoi design—used by all premium brands on the market—distributes pressure, absorbs vibrations, and improves pedaling efficiency from the first kilometer.
Weighing just 146 grams and measuring 240 x 140 mm , it is ideal for cyclists looking for professional performance without sacrificing comfort.
Comparison: Nexus 3D Carbon Saddle vs Traditional Saddles
Carbon 3D Nexus Saddle | Traditional saddles | |
---|---|---|
Custom | Designed specifically for each user, adapting to their weight and needs | Generally made in standard sizes, without custom adjustments |
Comfort and stability | Non-slip surface and vibration absorption for maximum comfort and efficiency | Less grip and less cushioning capacity |
Durability | Resists wear and tear thanks to advanced materials such as EPU 41 | Increased wear over time and under extreme conditions |
Weight | 146g: One of the lightest for the 140x240mm size | Typically ~150g for much smaller sizes |
Technical specifications
Technical specifications
- Measurements: 240 × 140 mm
- Weight: 146 g
- Core Material: EPU 41 Resin
- Base: carbon fiber laminate
- Properties: Resistance to water, sweat, UV rays and prolonged wear.
- Easy maintenance and long durability
Who is this product ideal for?
Who is this product ideal for?
This saddle is designed for demanding cyclists who value the combination ofperformance,comfort and technologyIt is especially recommended for:
- MTB (XC, XCM and Enduro): absorbs impacts and reduces fatigue on long, technical routes
- Road: ideal for maintaining an efficient position without compromising comfort
- Gravel and bikepacking: Durable, comfortable and lightweight, perfect for mixed terrain and long work days
- Triathletes: great support and lightness without annoying pressure points
Frequently Asked Questions
Frequently Asked Questions
- Is it compatible with any seat post?
Yes, the anchor is standard. If you have any specific questions, please contact us. - Does it require filming or adaptation?
No. The ergonomic design and flexible structure adapt from the first use. - Is it rigid or soft?
It is optimized for your weight and distance between your sit bones to provide the optimal density you need biomechanically. - Can I use it in rain or mud?
Yes, it is waterproof and easy to clean.
Warranty
Warranty
Lifetime warranty included.
Our components are designed and manufactured using high-precision 3D technology and certified materials.
That's why all CarboXtrem products include a lifetime warranty against any manufacturing defects .
If something goes wrong on our end, we'll fix it. No ifs, ands, or buts.





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.
Why do they choose us?
At CarboXtrem we customize every coupler, every grip, every saddle...
Feature | CarboXtrem | Other brands |
---|---|---|
Measures | Those of your body | Standards |
Technology | Carbon 3D: 5 times stronger | Plastics |
Vibration reduction | Up to -92% vibration reduction | Without active impact absorption |
Injury prevention | Avoid neck, hand, and buttock pain due to poor fit | Causes chronic discomfort and fatigue |
Mounting | Support for +250 models, step-by-step guidance | Low maneuverability |
How does your order work with CarboXtrem?

STEP 1: Online Purchase and Direct Contact
After your purchase, we'll contact you via WhatsApp to begin the personalized process. No complex forms or waiting.
STEP 2: We guide you through taking your measurements
We'll send you visual instructions to collect the necessary information based on the product you purchase.
If it is Couplings:
- Height and weight
- Your biomechanical arm measurement
- Exact measurements of your handlebar
The entire process explained with step-by-step images.
STEP 3: We check and manufacture with precision
We compare your data with our model database. We've built for almost every model and brand available, as well as most biomechanics.
If something doesn't fit, we'll let you know before manufacturing.
We then manufacture your 100% custom product using Carbon3D technology (couplings, grips, saddle, etc.).
⏱ Manufacturing time: 5–7 days.
STEP 4: Receive, install and pedal
Express shipping in 24–48 hours.
You have support via WhatsApp or video call to help you assemble your kit correctly.
We also send you installation videos.