Kagu Bosch CX 275
A powerful Bosch drive unit, voluminous balloon tyres, high load capacity: The Kagu Bosch CX 275 promises pure riding pleasure – on longer tours and on day trips. New: The balloon tyres on the aluminium e-bike now have a diameter of 27.5", thus providing the bike with even better rolling characteristics and additional safety.



Details
Mountain stages, lake rides or city trips: On tours of exploration with your Kagu Bosch CX 275, you’ll discover the most beautiful places in the world. And wherever your journey may take you, the trekking e-bike is the perfect travel companion. Plenty of comfort, stability and a high load capacity make every route an enjoyable experience.
Features
- Well-conceived components on the Kagu Bosch CX 275, such as the Balloon Tyre Concept, provide several advantages: The extra-wide 27.5" tyres absorb all bumps in the road and make a heavy suspension fork unnecessary. Improved tyre traction and high puncture protection add safety and more riding comfort.
- The touring bike can carry an incredible 160 kg (including wheel weight, rider, and luggage). This makes the e-bike a true high-load miracle. Add-on parts such as the luggage rack and mudguards blend in perfectly with the frame’s design.
- The built-in Performance Line CX drive unit by Bosch is lightweight, compact, and extremely powerful. With its 625-Wh battery, you’re sure to have the necessary power reserves for your tour.
- The Kagu Bosch CX 275 also features a Vario seatpost, which makes getting on and off the bike a lot easier. When you stop at a red light, for instance, you can lower the saddle and stand on the ground safely and comfortably with both legs. When the light turns green, the push of a button is enough to raise the saddle again.

Technology
The wide balloon tyres act as a natural suspension, which makes another type of suspension unnecessary. It also means: You’ll benefit from more comfort, less weight, lower rolling resistance and improved traction.
Good news for everyone who appreciates a clean look: The Advanced Internal Cable Routing technology ensures that all cables run inside the main frame and the rear triangle, which makes them invisible from the outside.
- Steering Stop more information
- Advanced Internal Cable Routing more information
- Hydroforming more information
- Balloon Bike more information
- Internal Dropper Post Cable Routing more information
- Internal Battery more information
- Lasercutting more information
- Robotwelding more information
- Top Performance Aluminium more information
- Trailer-Ready more information
- Airforming more information
- Belt Drive more information

Options
Simplon would not be Simplon if you could not have your bike custom-made there. For the Kagu Bosch CS 275, you can choose from the following add-ons:
- The optional belt drive requires less maintenance and provides higher durability. It’s also more quiet than a chain.
- For longer tours with the e-bike, a second external battery with 500 Wh can be added. The dual-battery option provides you with even more tailwind.
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bottle holder
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baggage handlers
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belt drive

Geometry table
Does the trekking e-bike fit my proportions and riding style? What frame sizes are available? With the help of the geometry table, you’ll quickly and easily find the right e-bike for your individual needs.
Kagu Bosch CX 275 | XS (40) | S (46) | M (51) | L (56) |
---|---|---|---|---|
A | 400 | 460 | 510 | 560 |
B | 575 | 585 | 595 | 605 |
C | 69° | 69° | 69° | 69° |
D | 73° | 73° | 73° | 73° |
E | 180 | 190 | 200 | 210 |
F | 485 | 485 | 485 | 485 |
G | 1132 | 1142 | 1153 | 1164 |
H | 72,5° | 72,5° | 72,5° | 72,5° |
I | 465 | 465 | 465 | 465 |
K | 50 | 50 | 50 | 50 |
M | 587 | 558 | 560 | 569 |
S | 657 | 666 | 675 | 685 |
R | 374 | 381 | 389 | 396 |
STR* | 1,75 | 1,75 | 1,74 | 1,73 |
A | Seat tube length mm |
---|---|
B | Top tube length |
C | Head tube angle |
D | Seat tube angle |
E | Head tube length |
F | Chainstay length |
G | Wheelbase |
H | Bottom bracket drop |
---|---|
I | Fork length |
K | Fork offset (rake) |
M | Stand over height |
R | Reach |
S | Stack |
STR* | Stack to Reach |
*STR: The higher the number, the more upright is the seating position.
Trailer which is mounted on the rear wheel is allowed for the following models: KAGU BOSCH CX 275, SPOTLIGHT BOSCH CX, KAGU BOSCH UNI 275, KAGU NEODRIVES