HardNine 4.0

HardNine 4.0


Impresses with a strong drive unit and well-thought-out components
Regular price£1,999.00
Shipping and any discounts are calculated at checkout.

Frame Size
  • FREE mainland UK shipping
  • 100% Secure payments
  • In stock, ready to ship
  • Inventory on the way

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


  • 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.

Frame Size 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"
FREE Shipping

Our standard shipping for bikes is FREE on mainland UK orders over £499 with delivery between 2 and 4 business days.

We aim to ship express orders for bikes placed before 12:00 on weekdays 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.

Express Shipping

If you'd like your new bike a bit quicker we offer an express shipping option with delivery usually within one to two business days throughout England and Wales with prices from just £9.95 on bikes over £499.

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.

Bike Shipping Pricing

Applicable for bike orders delivered to UK mainland addresses

  • Standard
    FREE shipping on bikes over £499.00
    £29.95 on 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
    Shipping from £189.95 on bikes over £499.00
    Delivery estimated within 5 to 7 business days

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

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 Shipping

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

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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.

SHOP Haibike



Customer service was perfect! So customer satisfaction is excellent, will be buying from again for sure!

Glasgow, UK

Item exactly as described and came early. Cheaper than on the manufacturer’s site as well.

Benfleet, UK

I have bought 3 pearl izumi items from scotby with unbelievable savings. Their quick delivery has to be one of best as well.

Huddersfield, UK

Excellent customer service and the delivery of the items purchased was incredibly quick. Thank you.

Cranbrook, UK

Really easy and clear website for pricing and delivery options. Product was received on time with great tracking information - will use again.

West Bergholt, UK

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