ROCK MACHINE eBlizz B90
Powerful hardtail e-bike with Rock Shox front suspension fork and 10 gears, equipped with the latest generation BOSCH Performance Line CX Smart System (5th gen) motor and 750 Wh battery.
Need help?
BOSCH Performance Line CX Smart System
85 Nm
750 Wh
10 speeds
29"
120 mm (front)
SRAM UDH (Universal Derailleur Hanger) is a universal derailleur foot that unifies mounting standards for greater compatibility and better shifting performance.
- Wide compatibility
- Shifter protection
- Better shifting performance
- Easy replacement
SRAM UDH brings reliability and practicality to modern electric bikes.
Shimano CUES 10
A reliable and durable drive system designed for smooth and precise shifting on any terrain. Thanks to LINKGLIDE technology, it offers up to three times the durability of conventional drives for smooth shifting and longer component life.
- 10 speeds
- 11-48 tooth cassette
- lINKGLIDE technology
Rock Machine's hardtail e-bikes combine lightweight, durability and cutting-edge technology for the ultimate off-road and trail riding experience. With front suspension and powerful BOSCH drive systems, they can handle steep climbs, fast descents and long rides without compromise. Robust frames with modern geometry ensure comfort and stability, while the integrated batteries provide high range. Rock Machine's hardtail e-bikes are a great choice for sport and recreational riders looking for reliability and dynamism on any terrain.
The e-bike is powered by a 5th generation BOSCH Performance Line CX Smart System motor with 85Nm of torque and combined with a BOSCH Power Tube 750Wh battery, it offers great performance and reliable range. Keep in touch and keep track of your activities with the BOSCH Kiox Smart System display.
Smooth shifting and a wide gear range are provided by the Shimano CUES 10-speed shifting kit, and there's no shortage of stopping power with Shimano MT420 hydraulic brakes . With the WTB Trail Boss 29×2.4" tires, you'll dominate every hill.
The RockShox Judy Silver TK 15×110 mm air front fork and its 120 mm of travel guarantee a comfortable ride and control on any terrain. In terms of comfort, you'll also appreciate the Selle Royal Vivo saddle and the POST MODERNE DP-212 telescopic seatpost, Ø 34.9mm with 150mm of travel.
Discover a new level of riding with the Rock Machine eBlizz B90 - an e-bike that gets you further, faster and with maximum comfort. Thanks to the cutting-edge BOSCH Performance Line CX Smart System motor, durable frame and sporty geometry, you'll enjoy every trail and long trips without limits. Just hop on and go for the adventure!
Need help choosing the right e-bike? Take advantage of our guide to choosing an e-bike or contact us directly.
E-bike range calculator
The e-bike range is approximately
*Factors affecting total range include assist mode settings, technical condition of the e-bike, battery age, ambient temperature, headwind, and riding technique
Bosch Performance Line CX 5th generation engine
The 5th generation motor offers 85 Nm and a peak power of 600 W. Thanks to the magnesium housing, it is lighter (2.8 kg) and quieter. The new mounting system makes installation easier. Improved sensors measure rider inputs more accurately, ensuring a more natural power transfer. The motor has hill-start and walk assist for added comfort. Lower weight improves maneuverability and component durability. Auto mode automatically adjusts terrain assistance. Compatibility with Bosch smart systems allows tracking of ride details, making planning and the ride itself easier.
BOSCH POWER TUBE 750
Original, high-capacity integrated battery BOSCH PowerTube 750. It enables mountain and trekking e-bikes to travel really long distances. Thank to its compact size and minimalist design, the battery is integrated into the e-bike to achieve optimum effect.
- Compatibility only for Bosch Performance Line CX Smart System (BES3) - model year 2022 and newer
- Length: 481.3 mm
- Horizontal and vertical variants - they differ in the way the battery is mounted in the frame.
- The integrated BMS ensures long range and durability.
- It has no memory effect and will not self-discharge.
Display Bosch KIOX 300
The modern and powerful Bosch Kiox 300 display provides advanced features including performance monitoring, navigation and smart device connectivity. It offers a clear display of key information and intuitive controls to enhance the driving experience. The display is designed to withstand scratches and impacts. Bluetooth and ANT+ connectivity. The Smart System is fully networked and always up-to-date thanks to regular wireless software updates. It offers useful support such as push assist or Hill Hold - automatic protection against unwanted reversing.
The same passion that led the original enthusiasts to build the first electric bike continues to drive them forward – to enjoy the pleasure of creating the best electric bikes and bringing them to others. Rock Machine is the life passion and mission of the company's designers, and riding their e-bikes will bring you the same great feelings. Rock Machine is a Czech bicycle manufacturer with a long tradition (since 1994) that combines practical development, affordability, reliable components and fun design.
Manufacturer: BIKE FUN INTERNATIONAL s.r.o., Areal Tatry 1445/2, 742 21 Koprivnice, Czech republic, e-mail: info@bikefunint.com, phone: +420 720 771 501, web: www.rockmachinebikes.com
These might interest you:
Parameters
General
| Model year | 2025 |
| Brand | Rock Machine |
| Frame size | Frame M, Frame L |
| Colour | Black |
| Load capacity | 120 kg |
Motor
| Engine manufacturer | Bosch |
| Engine type | Bosch Performance Line CX Gen. 5 - Smart System |
| Torque | 85 Nm |
| Centre engine | Yes |
Battery
| Precise capacity | 750 Wh |
| Battery capacity | 700 - 799 Wh |
| Charger | Bosch 4A |
Transmission
| Sorting | Shimano SL-U6000-10R CUES |
| Cassette | Shimano Linkglide CS-LG400-10, 11-48T |
| Shifter | Shimano Cues U6000 |
| Number of gears | 1×10 |
Components
| Racks | STARS J30D, Disc, 32H |
| Handlebars | ALLOY, 35.0, 760mm, 20mm Rise, 9° Backsweep |
| Extender | ONE1 TDS-C342 Alloy, 31.8xE45mm, +3° |
| Coats | WTB Trail Boss 29×2,4" TCS |
Brakes
| Rear brakes | Shimano BR-MT420, hydraulic, 180 mm |
| Front brakes | Shimano BR-MT420, hydraulic, 180 mm |
Suspension
| Front fork | air RockShox Judy Silver TK, Tapered, Lockout / 120 mm |
Questions
Please provide your contact information and in the field Message enter your question and we will get back to you shortly.