CarboXtrem
Double Sump Protector Kit, E-Bike Battery and Gear Hanger
Double Sump Protector Kit, E-Bike Battery and Gear Hanger
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- Custom made. 100% compatible.
Perfect fit guarantee.
- Manufacturing time 2 weeks. Shipping within 24/48 hours.
The Double Protector Kit for Sump, E-Bike Battery and Derailleur Hanger is a complete solution. Meticulously designed to protect the most critical components on your electric bike while improving its performance and looks.
Innovation at the Cutting Edge: Protection and Durability
This kit has been developed with cutting-edge technology, similar to that used in the Aero handlebar aerobars.
Made with high-strength materials such as PA12-CF for the adapter mounts and carbon fibre for selected components, this kit guarantees exceptional durability against impacts and harsh conditions.
Customisation and a Perfect Fit for the Sump, E-Bike Battery and Derailleur Hanger Protector
Recognising how important a perfect fit is for safety and performance, the kit offers unprecedented customisation options. Using 3D printing, each component can be adapted to your bike's exact specifications, ensuring not only complete protection but a flawless visual integration too.
The after-sales experience includes personal support in gathering the data we need, guaranteeing that the sump protector, the e-bike battery protector and the derailleur hanger fit your bike perfectly.
Improved Safety and After-Sales Support
The safety of your electric bike is our priority. This kit not only protects against physical damage, it also adds an extra layer of security against theft and tampering.
After your purchase you'll receive detailed information on installation and maintenance, plus personal support to resolve any question or need that comes up, making sure your experience is as rewarding as it is safe.
Conclusion on the Sump, E-Bike Battery and Derailleur Hanger Protector
The Double Kit is the perfect fusion of advanced technology, extreme customisation and complete protection.
- Inspired by the precision and innovation of the Aero handlebar aerobars, this kit takes your riding to new horizons, guaranteeing your electric bike is always safe, performing and good looking. Embrace the cutting edge of e-bike protection and enjoy the ride with confidence and style.
Frequently asked questions
What does this kit protect?
The sump, the e-bike battery and the derailleur hanger, some of the most critical and exposed components.
What materials is it made from?
PA12-CF for the adapter mounts and carbon fibre for selected components, for exceptional durability.
Why choose dedicated protection?
It protects you against impacts and harsh conditions, avoiding expensive repairs.
Technical specifications
Technical specifications
Who is this product ideal for?
Who is this product ideal for?
Frequently Asked Questions
Frequently Asked Questions
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.

Model compatibility
Is your bike compatible?
Select your brand to check:
Some of our professionals
What our customers say
Some of the CarboXtrem professionals
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.
