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Haibike SDURO HardSeven 4.0 - 2018

Haibike SDURO HardSeven 4.0
  • Color: Gray
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The HardSeven 4.0 comes with agile 27.5-inch wheels and a 120mm suspension fork for trips on light terrain. The powerful Bosch Performance CX motor paired with a responsive aluminum frame creates a lively ride, while a SRAM 11-speed drivetrain and Tektro hydraulic disc brakes ensure you have the gearing and braking power to get up and down steep hills with confidence. You can keep track of your ride metrics via the easy-to-read handlebar-mounted LED display so you always know when it's time to make your way back to the trailhead, and the selectable assistance levels let you dial-in your preferred amount of power for an enjoyable experience everywhere you ride.

Haibike SDURO HardSeven geometry chart


 Frame sizeXSSMLXL
A FRAME HEIGHT 35 cm 40 cm 45 cm 50 cm 55 cm
B SEAT TUBE ANGLE 73 ° 73 ° 73 ° 73 ° 73 °
C SEAT TUBE OFFSET 12 mm 12 mm 12 mm 12 mm 12 mm
D SEAT ANGLE 74.04 ° 74.07 ° 74.06 ° 74.06 ° 74.05 °
E HEAD TUBE LENGTH 140 mm 120 mm 125 mm 130 mm 135 mm
F HEAD TUBE ANGLE 68 ° 68 ° 68 ° 68 ° 68 °
G TOP TUBE LENGTH (HORIZONTAL) 550 mm 570 mm 590 mm 610 mm 630 mm
H CHAINSTAY LENGTH 460 mm 460 mm 460 mm 460 mm 460 mm
I BB DROP -40 mm -40 mm -40 mm -40 mm -40 mm
J WHEEL BASE 1112 mm 1131 mm 1151 mm 1171 mm 1192 mm
K STACK 635 mm 617 mm 621 mm 626 mm 631 mm
L REACH 368 mm 394 mm 413 mm 431 mm 450 mm



Haibike SkidPlate

Made of shock-resistant plastic, the light component protects effectively from scratches or motor damage.

Especially eMTBs often suffer from impacts or stone chipping which damage the low-situated motor severely. Therefore, we were the first manufacturer to introduce the SkidPlate back in 2012, a protection element which protects the bottom side of the motor.

Bottom side protection

Here the concept of a 'sacrifice part' applies: Similar to a helmet, the SkidPlate absorbs impact forces by deformation or destruction which would otherwise damage the significantly more expensive motor. 

Plastic as ideal raw material

This is why we also use a special, shock-resistant plastic. This material conducts the incoming forces very well but stays dimensionally stable even under severe deformation at the same time compared to other materials which do not switch back to their original shape after deformation. The production in the corresponding color perfectly hide scratches and smaller damage. If required, the SkidPlate can simply and cheaply be exchanged.



Haibike Integrated Motor Concept

Haibike technically and visually perfected the integration of the motor into the frame.

The motor is the technological core and defining characteristic of an eBike. Thanks to our Gravity Casting motor interfaces we can integrate the motor in a compact manner without separate mounting plates. This concept reduces the space required to mount the motor and decreases the visual volume of the engine.

Elegant integration

The SkidPlate is a useful protective device from a technical perspective, but also allows us to optically integrate the motor to make it part of the frame. Unlike other integration concepts, the motor looks like a natural part of the eBike.



Bosch Performance CX Drive Unit

Optimized for ePerformance bikes, the Bosch Performance CX motor was developed with a focus on creating a more sport oriented unit.

The Bosch Performance CX has been specially optimized for sporty use. The motor delivers a constant maximum torque of up to 75 Nm up even to a high speed range.

The motor offers an impressive maximum torque of 75 Nm. The “Direct Flow” technique also guarantees powerful support in the lower cadence levels. Trail Control offers a dynamic power management system, that allows the rider to choose the optimum support level (50-300%) for the terrain they are riding, their riding style, and the distance they are looking to cover. “Shift detection” protects your chain by cutting off the torque from the motor during shifting for smooth gear changes.


Bosch Purion Display

Small, compact and well protected: the new Bosch Purion. Despite the small size of the remote, the display provides all of the important features and information.

The new compact display is a combination of remote control and display. Positioned on the left of the handlebars, the display provides key information through a small, easy to read display. Its compactness and location make it ideal for extreme ePerformance bikes whose riders seek a display that is reduced to the essentials and well-protected.

All the main functions can be directly controlled: support level (Off, Eco, Tour, eMTB/Sport, Turbo), switching on and off the eBike light, walk-assist, the current speed, the day trip and the total mileage of the bike, and the range, or how far the current charge level of the battery will last in mileage. A backlight in the display makes all information easy to read even in the dark.




    aluminium 6061, HD Interface, quick-release 5 x 135mm, disc brake Post Mount

    Bosch Performance CX, 350W

    Bosch Purion

    Bosch PowerPack, 500 Wh

    Bosch compact charger 2A
  • FORK

    SR Suntour XCR Air LO-R Lockout, air, Travel: 120mm, steel steerer tube 1 1/8", quick release

    Sram NX, 11-speed

    Sram NX, trigger switch

    Sram PG1130, 11-42 teeth

    Sram PC1110

    Sram X-Sync, 16

    Tektro M285, aluminium

    Tektro M285, 180mm, hydraulic disc brakes

    Tektro M285, 180mm, hydraulic disc brakes

    Schwalbe Smart Sam, 57-584
  • RIMS

    Alexrims MD21, aluminium

    Haibike Components TheHub ++

    Haibike Components TheHub +

    black 2,0mm/2,0mm/2,0mm, black

    Haibike Components TheBar + 720mm

    Haibike MTB Griffe
  • STEM

    Haibike Components TheStem +, A-head, Bar bore: 31.8mm, 7?

    A-Head Alloy 1 1/8", Cartridge

    Haibike Components TheSaddle

    Haibike Components The seat post ++, patent, 31.6mm, aluminium

    MTB Plattformpedal, aluminium

  • RRP

    $ 2,800




Drive System Bosch Performance CX, 350W
Display Bosch Purion
Battery Type/Weight Bosch PowerPack 500
Frame Aluminium 6061, quick-release 5 x 135mm, disc brake Post Mount
Fork SR Suntour XCR Air LO-R Lockout, air, Travel: 120mm, steel steerer tube 1 1/8", quick release
Headset A-Head Tapered
Rims/Wheels Alexrims MD21, aluminium
Hubs Haibike Components TheHub +
Tires Schwalbe Smart Sam, 27.5" x 2.25"
Chainrings 16T
Chain Sram PC1110
Rear Derailleur Sram NX, 11-speed
Cassette/Rear Cogs Sram PG1130, 11-42 teeth
Shifters Sram NX, trigger switch
Handlebars Haibike Components TheBar + 720mm
Tape/Grips Haibike MTB
Stem Haibike Components TheStem +, A-head, Bar bore: 31.8mm, 7-deg
Brake Levers Tektro M285, aluminium
Brakes Tektro M285, 180mm
Pedals MTB Platformpedal aluminium
Saddle Haibike Components TheSaddle
Seatpost Haibike Components The seat post ++, patent, 31.6mm, aluminium

Part Numbers

Option UPC Store SKU
Gray / X-Small 791964562351
Gray / Small 791964562368
Gray / Medium 791964562375
Gray / Large 791964562382
Gray / X-Large 791964562399 1532


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