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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.

Rider's height: 165 cm

150

210

Recommended size *:
17 - 18" (M)

*The values provided are only indicative.

Price before discount: 3 798 €

3 798 €

You save 0 €

3 165 € excluding VAT
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Discount when buying 2 or more e-bikes: 5%
Engine

BOSCH Performance Line CX Smart System

Engine power

85 Nm

Battery capacity

750 Wh

Gearbox

10 speeds

Wheels

29"

Shock absorber travel

120 mm (front)

rock machine eblizz b90

sram udh univerzalni patka prehazovacky

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

shimano cues 10s razeni

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

500 Wh
300 Wh 650 Wh 1000 Wh
75 Kg
50 Kg 95 Kg 140 Kg

Dominant route profile:

Flat

Flat

Medium

Medium

Hills

Hills


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

 

Motor Bosch Performance Line CX 5. generace

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.

More information

Battery BOSCH POWER TUBE 750

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.
More informations

Display Bosch KIOX 300

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.

More information

Manufacturer Rock Machine

The same great passion that led the early enthusiasts to build the first e-bike always leads them forward - to enjoy the joy of creating the best e-bikes and bring them to others. Rock Machine is a lifelong passion and mission of the designers of this company and the same great feelings you'll get from riding their e-bikes. Everyone loves an active lifestyle, so it's no wonder that e-bikes have been involved since 1994.

Rock Machine E-bikes

Parameters

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General

Model year 2025
Brand Rock Machine
Colour Black
Load capacity 120 kg
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Motor

Engine manufacturer Bosch
Engine type Bosch Performance Line CX Gen. 5 - Smart System
Torque 85 Nm
Centre engine Yes
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Battery

Precise capacity 750 Wh
Battery capacity 700 - 799 Wh
Charger Bosch 4A
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Suspension

Front fork vzduchová RockShox Judy Silver TK, Tapered, Lockout / 120 mm
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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
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Transmission

Sorting Shimano SL-U6000-10R CUES
Cassette Shimano Linkglide CS-LG400-10, 11-48T
Shifter SHIMANO Cues U6000
Number of gears 1×10
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Brakes

Rear brakes Shimano BR-MT420, hydraulic, 180 mm
Front brakes Shimano BR-MT420, hydraulic, 180 mm

Questions

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