Haibike HardSeven 4 2023 - Electric Mountain Bike

So you're looking for an agile hardtail eMTB with a powerful drive unit? The Haibike HardSeven 4 hardtail mountain bike is equipped with a powerful Bosch Performance Line motor and always offers the right support level you need to suit the terrain. This e-bike, equipped with 27.5" wheels, comes with a sophisticated selection of components and will always get you to your destination even after countless miles on the trail.
Key Features:
- Aluminium 6061 frame
- SR Suntour XCM32 forks with 110mm of bump soaking travel
- Impac Smart Pac tyres front and rear
- Shimano 9-speed gears give the range to climb anything
- Tektro brakes offer all weather stopping power
- Sizes: 40cm, 47cm, 49cm
- Colours: Cool Grey/ Lava Matte
- The Haibike HardSeven 4 is available with 0% APR finance
Drive Information:
- Motor: Bosch Performance Line, 250W, 65Nm, 25km/h
- Battery: Bosch PowerTube 400Wh
- Interface: Bosch Purion
All Tredz bikes are:
- Fully built & ready to ride
- Fully checked & tested by Cytech qualified mechanics
- Available with 0% APR finance on any basket over £99
- UK price match guarantee
- 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
Occasionally, without notice, manufacturers change product design and/or specifications.
Frame | aluminium 6061, Steckachse X-12 (1.00) x 148mm, disc brake Post Mount |
Fork | SR Suntour XCM32 Boost DS, steel spring/oil, Travel: 120mm, Aluschaft 1 1/8 - 1 1/2'' tapered, 15 x 110mm thru-axle Boost |
Headset | A-Head Tapered |
Stem | XLC Alu, A-head |
Bars | XLC Topflat 720mm |
Front Brake | Tektro M275, 180mm |
Rear Brake | Tektro M275, 180mm |
Brake Lever | Tektro M275, aluminium |
Rear Mech | Shimano Alivio M3100, 9-speed |
Shifters | Shimano Alivio M3100, trigger switch |
Speed | 9 |
Rims | Schürmann Yak25, eyed, double-walled rim, aluminium |
Front Hub | Fastace Alu Nabe |
Rear Hub | Haibike Alu Nabe |
Spokes | Sapim Leader, black |
Front Tyre | Impac Smart Pac, 57-584 |
Rear Tyre | Impac Smart Pac, 57-584 |
Seat Post | XLC, patent, 31.6mm, aluminium |
Saddle | XLC MTB |
Chainset | Haibike, Forged Aluminium, Steel 38 teeth |
Bottom Bracket | Integrated in the motor |
Chain | KMC e9S |
Cassette | Sunrace CSM90 (11-36T) |
Pedals | Freeridepedal aluminium, mit Reflektor |
Battery Size (WH) | Bosch PowerTube 400Wh |
Motor | Bosch Performance Line, 250W, 65Nm, 25km/h |
User Interface | Bosch Purion |
Haibike HardSeven 2022 Size Chart
Size |
Height (cm) |
Height (Inches) |
S / 40cm |
160 - 170 |
5’3” – 5’7” |
M / 46cm |
170 - 180 |
5’7” – 5’11” |
L / 49cm |
180 - 190 |
5’11” – 6’3” |
What size frame do I need if I am between sizes? - read here
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