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Haibike SDURO HardNine 4.0 29er 2019 - Electric Mountain Bike

Haibike SDURO HardNine 4.0 29er 2019 - Electric Mountain Bike

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Product Description

Cycling adventures can be a little easier. The Haibike SDURO HardNine 4.0 is an electric mountain bike that rolls on 29” wheels. The Bosch drive unit offers a powerful boost to your natural pedalling power and the 500Wh battery pack offers long lasting performance. With high-volume but low profile tyres this e bike is ideal for riding on smooth roads and cycle paths as well as rough off-road tracks and trails. When the going gets rough the Suntour fork gives you 100mm of suspension travel to smooth the trail ahead.

Key Features:

  • 6061 aluminium frame is lightweight and robust
  • SR Suntour XCR air sprung fork offers 100mm of trail smoothing suspension travel
  • Shimano Deore 1x10 speed drivetrain for reliable gear shifting
  • Tektro hydraulic disc brakes for all-weather stopping power
  • Sizes: 40cm (Small), 45cm (Medium), 50cm (Large), 55cm (X Large)
  • Colour: Grey Black Green
  • The Haibike SDURO HardNine 4.0 29er is available with 0% APR finance

Drive Information:

  • Motor: Bosch Performance CX, 75Nm, 250W
  • Battery: lithium Ion, frame mount, 500Wh
  • User interface/remote: Bosch Purion display
  • Connectivity: eConnect smartphone app

SDURO opens up the world of sporty innovative ePerformance bikes to a wider range of riders than ever before. Comfort, quality and class leading performance has never been so accessible.

Across HardSeven, FullSeven and even Cross & Trekking models we’ve introduced intube batteries, not only for a sleeker look, but so that Yamaha models can benefit from our Modular Rail System line of accessories. Our Bosch equipped Trekking and Cross models have been improved too making them more accessible with rider focussed Bosch Active plus systems.

The HardNine is the first choice for taller riders who prefer relaxing tours through soft terrain. We offer the choice between standard or plus tires and different drive systems.


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.

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.

All Tredz bikes are:

  • Fully built & ready to ride
  • Fully checked & tested by Cytech qualified mechanics
  • Available with 0% APR finance on baskets over £99
  • 365 day no hassle returns
  • Free delivery in the UK Mainland on a date that suits you

In the box with every Tredz bike is:

  • Free Tredz 9 key trail tool
  • Free Tredz pedal spanner
  • Free basic pedals
  • Tredz drawstring kit bag
  • 16 point quality control check sheet
  • Basic bike setup instructions
  • Free Cycle Plan insurance voucher (8 weeks)

Occasionally, without notice, manufacturers change product design and/or specifications.


Frame:Aluminium 6061, quick-release 5 x 135mm, disc brake Post Mount
Fork:SR Suntour XCR Air LO-R air 100
Headset:A-Head Alloy 1 1/8" Feimin FP-H856X Alloy 1 1/8"
Stem:Haibike Components TheStem + A-head JD-ST161A
Bars:Haibike Components TheBar + Topflat 720 JD-MTB479A
Front Brake:Tektro M275
Rear Brake:Tektro M275
Brake Lever:Tektro M275 aluminium
Rear Mech:Shimano Deore M6000 10 Speed
Shifters:Shimano Deore M6000
Rims:Rodi Black Rock 21
Front Hub:Haibike Components TheHub + Modus JA159F-SS-QR
Rear Hub:Haibike Components TheHub + Modus JA259R-DSS-QR
Spokes:Sapim Leader black
Front Tyre:Schwalbe Smart Sam 57-622
Rear Tyre:Schwalbe Smart Sam 57-622
Seat Post:Haibike Components The Seatpost + aluminium patent 31.6 Kalloy SP-DC1
Saddle:Haibike Components TheSaddle Velo 3460
Chainset:Haibike Components The Crank ++ HB19
Bottom Bracket:Integrated In Motor
Chain:KMC e10S
Cassette:Shimano HG500 11 42
Pedals:MTB Platform pedal aluminium Feimin FP-969
Battery (Wh):500 Wh
User Interface:Bosch Purion

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