HardNine 9
Haibike
Trail
HardNine 9 is an alloy electric trail mountain bike (2024), from Haibike, in the Hardnine series. It is best suited to riders who prioritize comfort and confidence on longer off-road rides, with a setup that gives you a comfort-leaning position, with a surface profile that is best for smoother trails and efficient rolling. Its profile is strongest in areas like strong climbing friendliness for sustained uphill riding, good fit flexibility for dialing in rider position, and capable suspension support for rougher terrain. Relative to category specialists, the trade-off is a firmer ride feel than comfort-first options and less emphasis on outright speed than speed-focused builds. If this looks close to what you want, compare this bike on MatchBikes.com against similar models.
Rating

Score Summary
Performance
Built for speed and efficiency
Fit
Dialed-in Fit & Comfort
Value
Battery
Specifications
General
Frame
Drivetrain
Wheels
Brakes
Cockpit
Seat
E-Bike Components
Geometry
| Measurement | MD | LG | XL |
|---|---|---|---|
| Stack Reach Ratio | 1.57 mm | 1.548 mm | 1.493 mm |
| Stack | 669 mm | 678 mm | 687 mm |
| Reach | 426 mm | 438 mm | 460 mm |
| Top Tube Length | 630 mm | 645 mm | 670 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 440 mm | 480 mm | 520 mm |
| Head Tube Angle | 67 ° | 67 ° | 67 ° |
| Head Tube Length | 140 mm | 150 mm | 160 mm |
| Wheels | 29" | 29" | 29" |
| Rider Min Height | 169 cm | 178 cm | 186 cm |
| Rider Max Height | 180 cm | 188 cm | 197 cm |




























































