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HardNine 4.0

HardNine 4.0

Impresses with a strong drive unit and well-thought-out components

Regular price £1,999.00
Regular price £1,999.00 Sale price £1,999.00
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Tax included. Shipping calculated at checkout.
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HardNine 4.0 Description

Year: 2022
Gender: Mens
Drive System: Bosch
Gears: 9-Speed
Brake Type: Hydraulic Disc
Includes Pedals: Yes
Battery: Bosch PowerTube, 400Wh

The new 29" Haibike HardNine 4 impresses with a strong drive unit and a well-thought-out component mix.

The efficient and versatile Bosch Performance Line motor provides dynamic acceleration and always offers you the right level of assistance. Shimano shift components and powerful disc brakes ensure smooth and safe off-roading fun.

HardNine 4.0

  • 6061 Hydroformed Aluminium Frame
  • SR Suntour XCM32 fork with 120mm of travel
  • Shimano Alivio 9-speed groupset
  • Tektro M275 hydraulic brakes offer excellent stopping power
  • Powerful 250W Bosch Performance Line motor
  • 400 Wh Bosch PowerTube battery

HardNine 4.0 Specifications

Drive System: Bosch
Battery: Bosch PowerTube, 400Wh
Motor: Bosch Performance Line, 250W
Display: Bosch Purion
Range: Up to TBC
Hubs: Haibike, Alu Nabe
Seatpost: XLC
Bars: XLC Topflat
Shifters: Shimano Alivio M3100 Trigger
Front Mech: N/A
Rear Mech: Shimano Alivio M3100
Cassette: SunRace CSM90, 11-36
Chainset: Haibike, 38T
Saddle: XLC MTB
Stem: XLC

Extras: Bosch charger

Model specifications correct at time of entry based on provided data, whilst we do our best to maintain an accurate specification it is possible that Haibike might have changed these specifications without notifying us as component shortages arrise.

HardNine 4.0 Size Guide

Frame Size Rider Height
47cm 154 – 165cm 5’1" – 5’4″
49cm 162 – 173cm 5’4" – 5’8″
51cm 173 – 180cm 5’8" – 5’11”

Sizing information provided as approximate reference.



Haibike was founded in the small German city Schweinfurt in 1995, 15 years later, Haibike presented the ancestor of all eMTBs - the Haibike eQ XDURO - and in doing so reaffirmed the firms' reputation for innovation and excellence in the emerging field of electric bikes.

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Frequently Asked Questions

Shipping and Returns

How much is shipping?

Shipping is free of charge for all our electric bikes within Mainland UK

For further information please see our Shipping Policy.

When will you ship my order?

Orders containing electric bikes take a minium of buisness day to ship from our store.

Before we can ship your new bike, it needs to go into our workshop to be PDI'd (Pre-Delivery Inspected), during this inspection our mechanics will check everything is setup and ready to go.

For further information please see our Shipping Policy.

How do I return an item?

If you need to return an item to us you can do so with 30 days of recieiving the item.

Simply follow the instructions on the paperwork enclosed with your order or visit our Returns Page for further information.

Returns are subject to our Refund Policy.

Is this electric bike in stock?

We only make available for sale products we have in stock, we do not remote warehouse products from suppliers as other stores do.

Our inventory is live except for bikes which are subject to up to a 24hr delay as our retail stores' inventory system is a bit archaic and requires a manual sync.

Have another question?

We have a Frequently Asked Questions page which also highlights our contact information should you need to contact us.

You can also contact us via Live Chat during normal office hours - the button is usually located in the bottom right of your screen.