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HardNine 4.0

HardNine 4.0


Regular price £1,999.00

Unit price per 


Frame Size

only 0 left in stock

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 Highlights

  • 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
Model Specifications
  • Brand
  • Model
    HardNine 4.0
  • Year
  • Colour
    Cool Grey/Lava
  • Weight
  • Gender
  • Type
  • Frame
    HardNine Gen3 Intube, Aluminium 6061
  • Fork
    SR Suntour, XCM32 Boost DS, Steel spring/oil, Travel= 120 mm, Aluschaft 1 1/8 - 1 1/2" tapered, 15 x 110mm thru-axle Boost
  • Rear Shock
  • Rims
    Schürmann, Yak25, with eyelets, hollow rim, Aluminium
  • Hubs
    Front: Haibike, Alu Nabe, 6-bolt standard
    Rear: Haibike, Alu Nabe, 6-bolt standard
  • Spokes
    Sapim, Leader, Black
  • Tyres
    Impac, Smart Pac, 57-622, 29" x 2.25"
  • Pedals
    Freeridepedal, Aluminium
  • Crank
    Haibike, forged, Aluminium
    Steel, 38T
  • Bottom Bracket
    Integrated in the motor
  • Chain
    KMC e9S
  • Cassette
    SunRace, CSM90, 11 - 36T
  • Front Mech
  • Rear Mech
    Shimano Alivio M3100
  • Shifters
    Shimano Alivio M3100, Trigger switch, 9-Speed
  • Handlebar
    XLC, Topflat, 720 mm
  • Grips
    Haibike, MTB grips
  • Stem
    XLC, Alu, A-head
  • Headset
    Feimin, A-Head Tapered, Ball bearing
  • Brakes
    Tektro TR180, Hydraulic Disc
  • Brake Levers
    Tektro M275 Hydraulic
  • Saddle
    XLC, MTB
  • Seatpost
    XLC, Aluminium, Patent, 31.6 mm
  • Motor
    Bosch Performance Line, 250W, 65 Nm, 25 km/h
  • Battery
    Bosch PowerTube, 400 Wh
  • Display
    Bosch Purion
  • Max Weight
    120 kg
  • Extras

Whilst we do actively try to keep on top of all the details, manufacturers do occasionally change model specifications so anything detailed above is subject to change.

Haibike Size Guide
Frame Size Rider Height Rider Height
XS 150 – 154cm 4’11”– 5’1″
Small 154 – 165cm 5’1" – 5’4″
Medium 162 – 173cm 5’4" – 5’8″
Large 173 – 180cm 5’8" – 5’11”
XL 180 – 188cm 5’11” – 6’2"
2XL 188 – 196cm 6’2" – 6’5"

Delivery & Returns

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FREE Delivery

Our standard shipping is FREE on mainland UK orders over £30* (excluding orders containing bikes - see below for further details) with delivery between 2 and 4 business days.

Express Delivery

If you need your order a bit quicker we offer an express delivery option with delivery usually within one to two business days throughout England and Wales with prices from just £2.95 – this service is FREE on orders over £125.

We aim to dispatch express orders placed before 14:30 on weekdays (excluding orders containing bikes) that same day and all our domestic deliveries are fully traceable, tracking information will be emailed or messaged to you when your order has left our store.

FREE Store Pickup

If you are local to our area (Carlisle), you can collect your order from our store at your convenience. Collection is free of charge no matter how big or small the order value and you'll be able to collect your order from our store usually within 2hrs on weekdays.

Store Pickup is not available if you're using an accelerated checkout option such as Apple Pay, Google Pay or PayPal Express.

You can still use PayPal to place your order if you're wanting to collect it but first go through the checkout selecting store pickup and select PayPal as your method of payment later in the checkout process.

Delivery Pricing

Applicable for orders excluding bikes

  • Standard
    FREE on orders over £30 otherwise £3.95
    Typically via Royal Mail Tracked 48
    Delivery estimated within 3 to 4 working days
  • Express
    FREE on orders over £125 or from £2.95
    Typically via DPD Local depending on goods and location
    Delivery estimated within 1 to 2 working days
Bike Delivery

Applicable for bike orders delivered to UK Mainland addresses

  • Standard
    FREE delivery on bikes over £499.00
    £29.95 on bikes or orders including bikes under £499.00
    Delivery estimated within 3 to 4 business days
  • Express
    Available from only £9.95 on bikes over £499.00
    Delivery estimated within 1 to 2 business days
  • Remote
    Scottish Highlands and Northern Ireland
    Delivery from £189.95 on bikes over £499.00
    Delivery estimated within 5 to 7 business days

For information about how we deliver bikes, including information on delivery to remote regions please see our Shipping Policy for further information.

Easy Returns

If an item doesn't fit or isn't quite what you expected then simply fill out the enclosed returns form and return your unwanted items to us within 60-days for a full refund, we'll accept orders returned to us after this period with refunds made via gift vouchers for use against future orders.

For further information please see our Refund Policy for further details.

Secure Delivery

For security purposes, we reserve the right to cancel shipments to forwarding centres, PO Boxes, and locker boxes. For some items such as bikes and electric scooters, we may enforce that these can only be delivered to the billing address, no change of address or in-transit redirection is permitted for any consignments.

International Delivery

Sadly, due to the increased costs and administrative procedures – particularly for our customers within the EU, we've decided to cease shipping internationally.

Order with Confidence

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