XS System
The Power of Simplicity
Meet the MAHLE XS System, an eBike system like no other. With no internal battery, it’s powered solely by the External Battery eX1, making it ultra-light, efficient, sustainable, and easy for brands to integrate into a wide range of bike models.
No Internal Battery Required
Powered by the eX1 External Battery
Tailored to Fit
Thanks to its minimalistic design, the XS System is versatile enough to fit on a wide range of bicycles. This adaptability makes the XS System an attractive choice for bike brands looking to broaden their electric offerings, particularly for more compact or unconventional bike designs.


Minimum Components, Maximum Performance
The XS System features only essential components: XS Smart Controller, the External Battery eX1, and motor (X20 or X30). This reduces the system’s weight, increases sustainability by using fewer materials, and simplifies maintenance, without compromising performance.
Sustainable Innovation
By removing the internal battery and optimizing the design for minimal electronic components, the XS System drastically reduces environmental impact.
This lighter, more compact solution is ideal for riders who care about reducing their carbon footprint while enjoying high performance.


Supreme Compatibility
With minimal components needed for a fully functional eBike, easy replaceability, and a range of accessories available, customization possibilities are endless. To make sure that the system also fits you.
Components
XS Controller

The core of the XS system, it allows real-time adjustments and seamless connectivity for optimised riding. Can be mounted either inside or outside the bike frame.
Drive Units

X20 & X30 motors: Lightweight, powerful rear hub motors offering efficient 250W output and smooth integration for a wide range of bikes.
eX1

The External Battery eX1 (e185) is best-in-class in size, weight, and capacity, adding 171Wh to extend your ride up to 60 km. You can add as many eX1 as you want.
Energy Hub

The Energy Hub is a charging platform that brings MAHLE External Battery eX1 to the next level.
Sensors

With the XS System, choose between PAS for smooth assistance or torque and cadence sensors for adaptive support.
Designed for All Types of Frames
Foldable

Compact and lightweight, the XS System ensures foldable bikes retain their agility and portability.
Urban

Designed for urban commutes, the XS System provides just the right amount of assistance without added bulk.
Slim Frames

The XS fits perfectly in slim bike designs, ensuring high performance without compromising aesthetics.
Kids

Lightweight and adjustable, the XS System offers an ideal e-assist solution for smaller, kid-sized frames.
The Power of Simplicity
Compatible Accessories
PulsarONE
The PulsarONE display provides detailed ride information, from battery status to available range and custom assistance levels.
Duo Remote
The Duo Remote let you adjust assistance levels, control lighting, and activate Walk Assistance Mode.
eShifters
The eShifters allow you to effortlessly control your eBike, all without removing your hands from the handlebar.
Active Charger
Powerful 4A charger designed to deliver maximum power in minimum time and LED status indicators.
Discover XS System's
Digital Ecosystem
Connect with the XS System: Apps, features and smart integration for an enhanced ride.