Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame aluminium -
Wheels 29" -
Travel Front 120mm -
Fork RockShox Revelation RC
-
Groupset XT, Deore -
Suspension Hardtail -
Motor Yamaha 250W 70Nm mid-drive -
Battery InTube, 630 Wh -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
MD
165cm - 177cm
LG
175cm - 188cm
XL
185cm - 198cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Haibike, HardNine Yamaha i630, Aluminium 6061
Suspension Fork
RockShox, Revelation RC, Air, Travel= 120 mm, Aluminium steerer tube 1 1/8" - 1 1/2" tapered, 15 x 110mm thru-axle Boost
Drivetrain
Rear Derailleur
Shimano, Deore XT M8100 Shadow Plus
Shift Levers
Shimano, Deore M6100, Trigger switch, 12 Speed
Cassette
Shimano, M6100, 10 - 51 teeth
Crank
Steel, 38 teeth
Bottom Bracket
Integrated in the motor
Chain
Shimano, CN-M6100
Chain Guide
Nylon directmount
Pedals
Freeridepedal, Aluminium, with Reflector,
Wheels
Rims
Rodi, Tryp 30, with eyelets, hollow rim, Aluminium
Spokes
Sapim, Leader, Black
Tires
Schwalbe, Nobby Nic Evo Super Trail, 65-622, 29" x 2.6"
Brakes
Brakes
hydraulicDisc
Brake Levers
Shimano, M6100, Aluminium
Cockpit
Stem
XLC, Alu, A-head
Handlebar
XLC, Topflat, 740 mm
Grips
XLC, MTB grips
Headset
Feimin, A-Head Tapered, Aluminium, Cartridge
Seat
Saddle
XLC, MTB
Seatpost
Haibike Components, Dropper-Post Remote 31.6, Dropper, Aluminium
Motor & Battery
Motor
Yamaha, PW-ST System, 250W, 70 Nm, 25 km/h
Battery
InTube, 630 Wh
Remote
Yamaha, Side Switch, 1.7" LCD, 7 functions
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | MD | LG | XL |
|---|---|---|---|
| Stack Reach Ratio | 1.48 mm | 1.41 mm | 1.38 mm |
| Bottom Bracket Height | 305 mm | 305 mm | 305 mm |
| Front Center | 775 mm | 814 mm | 851 mm |
| Rake | 55 mm | 58 mm | 57 mm |
| Trail | 114 mm | 111 mm | 112 mm |
| Stack | 640 mm | 653 mm | 676 mm |
| Reach | 433 mm | 463 mm | 490 mm |
| Top Tube Length | 600 mm | 611 mm | 667 mm |
| Seat Tube Angle | 75.5 ° | 75.5 ° | 75.5 ° |
| Seat Tube Length | 460 mm | 490 mm | 510 mm |
| Head Tube Angle | 65 ° | 65 ° | 65 ° |
| Head Tube Length | 115 mm | 135 mm | 160 mm |
| Chainstay Length | 467 mm | 467 mm | 467 mm |
| Wheelbase | 1234 mm | 1273 mm | 1310 mm |
| Bottom Bracket Drop | 69 mm | 69 mm | 69 mm |
| Wheels | 29" | 29" | 29" |
| Rider Min Height | 165 cm | 175 cm | 185 cm |
| Rider Max Height | 177 cm | 188 cm | 198 cm |
Model Overview
HardNine 8 is part of the Haibike E Hardnine model. Haibike launched 8 e-bikes of this model so far. Take a sneak peek at all Haibike E Hardnine e-bikes models from 2021, by clicking here.
Model range prices
Haibike HardNine 4 2021 is the most economical model, with a starting price of 2760$. Haibike HardNine 10 2021 on the other hand costs 4565$, and is the most expensive model.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Trail e-bikes average price
If you want to purchase a solid Trail e-bike, it is important to know that the average cost is 3365$. However, even if your budget is less than the average, you might still be able to get a top-quality Trail e-bike. In conclusion, always check e-bike reviews and their components before making a purchase to make sure you don’t overpay.
This e-bike was released in 2021 and its price was 3715$. Doing a quick comparison, we notice that HardNine 8 price is 10.4% more expensive than the average cost of a Trail e-bike.
HardNine 8 components
Fork
Haibike HardNine 8 2021 e-bike is equipped with the RockShox Revelation RC fork, and has 120mm travel. Bike forks are great for shock absorption and provide you with a smooth ride. In short, you should always ensure you have a good fork when purchasing a bike.
Fork material
The fork on this e-bike is made out of aluminum, so there won’t be much extra weight added to the e-bike. However, they are not so stiff as carbon forks are.
Wheels size
The HardNine 8 2021 e-bike is equipped with 29″ aluminum wheels when leaving the factory. These wheels are more forgiving when you go over roots, rocks, bumps, or other obstacles you encounter on your ride. However, the 29″ wheels will add a little more weight to the e-bike itself.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The HardNine 8 comes with Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, you can ride your bike with confidence.
Sizes
HardNine 8 comes in 3 sizes, that range from 165 cm – 198 cm (5.41 ft – 6.5 ft). In short, you can easily find one that suits you.
Dropper post
The Haibike model is also equipped with a dropper post. Therefore, climbing or descending will be a breeze.