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The 2021 "E-14 Forma Stealth Black" model from Stevens is a high-quality e-bike that stands out for its technical features and elegant design. The price for this model is 6299 EUR. The frame is made from 6061 aluminium, ensuring robustness and durability. The maximum permissible weight is 140 kg, whilst the bike itself weighs 27 kg.
Braking performance is provided by Magura MT5N-e brakes and brake levers, which are renowned for their reliability and powerful braking force. Gear changes are handled by the Rohloff Speedhub E-14 with 14 gears, enabling precise and rapid shifting. The fork is an SR Suntour Mobie25-Air RLR with 63 mm of travel, ensuring a comfortable ride even on uneven terrain.
The lighting comprises a B+M IQ-XMF front light with 80/120 lux and a Supernova M99 TL 2 Pure rear light, which ensure optimum visibility and safety on the road. The pedals are ATB Alu Pro Reflex, which provide a secure grip. The bottom bracket and motor are both from Bosch, with the Bosch G4 Performance Line CX Cruise motor providing powerful assistance. The battery is a Bosch PowerTube 625 with a capacity of 625 Wh, offering sufficient range for longer rides. The display is a Bosch Kiox, which clearly shows all the key information.
Power is transmitted via the Gates CDX Centre Track Carbon Drive Belt, combined with an Oxygen E-Scorpo Belt crankset, a 50-tooth Gates CDX sprocket and a 19-tooth Gates CDX Centre Track sprocket. The handlebars are Oxygen E-Scorpo, 630 mm wide, and the stem is an adjustable Oxygen Versa II. The headset is the STEVENS AH Taper 1 1/8"-1 1/2", which ensures stable steering.
The rims are Oxygen SL-D A21, measuring 21 x 622, and the tyres are Schwalbe Marathon E-Plus Performance in size 47-622, which are renowned for their excellent ride quality and puncture resistance. The front hub is a Shimano Deore XT and the rear hub is a Rohloff Speedhub 500/14 CC DB. The saddle is a Selle Royal eZone, which ensures a high level of comfort, and the seatpost is a Kind Shock 860i.
The bike is also fitted with SKS mudguards to protect against dirt and spray. The Pletscher Comp kickstand ensures the bike stands securely. The Racktime Supernova RTA luggage rack offers ample space for luggage, making the bike suitable for everyday use.
Overall, the Stevens E-14 Forma Stealth Black is a well-designed and high-quality e-bike, suitable for both everyday use and longer rides.
| Brakes | Magura MT5N-e |
| Brake levers | Magura MT5N-e |
| Frame | Aluminium 6061 |
| Drivetrain | Rohloff Speedhub E-14, 14-speed |
| Number of gears | 14 |
| Fork | SR Suntour Mobie25-Air RLR |
| Fork travel (mm) | 63 |
| Bottom bracket | Bosch |
| Crankset | Oxygen E-Scorpo Belt, Gates CDX sprocket, 50 teeth |
| Sprocket | Gates CDX Centre Track Sprocket, 19 teeth |
| Drive | Gates CDX Centre Track Carbon Drive Belt |
| Headset | STEVENS AH Taper 1 1/8"-1 1/2" |
| Handlebar | Oxygen E-Scorpo 630 mm |
| Stem | Oxygen Versa II, adjustable |
| Saddle | Selle Royal eZone |
| Seatpost | Kind Shock 860i |
| Rims | Oxygen SL-D A21, 21 x 622 |
| Tires | Schwalbe Marathon E-Plus Performance, 47-622 |
| Pedals | ATB Alu Pro Reflex |
| Front light | B+M IQ-XMF 80/120 lux |
| Rear light | Supernova M99 TL 2 Pure |
| Mudguards | SKS mudguards |
| Kickstand | Pletscher Comp bumper |
| Rack | Racktime Supernova RTA luggage carrier |
| Motor manufacturer / model | Bosch G4 Performance Line CX Cruise |
| Display | Bosch Kiox |
| Battery | Bosch PowerTube 625 |
| Battery capacity (Wh) | 625 |