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The "Robert/a I-F8" model from the Hercules brand from 2024 presents itself as a well thought-out and versatile eTrekking bike that is ideal for riders between 180 cm and 185 cm tall. Equipped with a robust eTrekking R29b series frame made from AL6061 aluminium, the bike offers a solid base for demanding tours. With a permissible total weight of 150 kg and a tare weight of 26 kg, the bike is designed for stability and durability.
Safety is ensured by the hydraulic disc brakes from Tektro, which are equipped with 180 mm and 160 mm brake discs at the front and rear respectively. The Shimano Nexus 8-speed gear system with freewheel enables simple and reliable gear selection, supported by the Shimano SL-C6000-8 gear lever.
The SR Suntour NEX-E25 fork with adjustable suspension travel of 63 mm improves riding comfort on uneven terrain. The Trekking Zecure handlebars with a backsweep of 15 degrees and the adjustable Zecure UP2+ stem ensure a comfortable riding position and control of the bike.
Lighting is provided by a Hercules FS-50 front light with up to 50 lux, supplemented by a Busch & Müller 2C LED rear light, which ensures good visibility even in poor light conditions. The Schwalbe Big Ben K-Guard tyres on Rodi Viper 19 rims offer excellent traction and stability.
Drive is provided by the Active Line Plus Smart System motor with an output of 250 watts and a torque of 50 Nm. The Bosch PowerTube battery with a capacity of 625 Wh provides the necessary energy for long rides, while the Bosch Intuvia 100 display clearly shows all important information.
Other features such as the Selle Royal Vivo Ergo Sport Woman saddle, the Limotec S1 seat post with 50 mm travel, the ABUS IT3 battery lock and the Monkey Load pannier rack with spring flap round off the overall package. The price of the Hercules Robert/a I-F8 is EUR 3799, making it an attractive option for anyone looking for a reliable eTrekking bike.
| Rear brakes | Tektro HD-T280 |
| Front brakes | Tektro HD-T280 |
| Brakes | Tektro T-280 hydr. disc, v: 180 mm / h: 160 mm |
| Front brake disc | Tektro TR180-45A 2.3 mm, 180 mm |
| Rear brake disc | Tektro TR160-35, 1.8 mm, 160 mm |
| Front brake lever | Tektro HD-T280 |
| Rear brake lever | Tektro HD-T280 |
| Frame | eTrekking R29b-Series, AL6061 |
| Drivetrain | Shimano Nexus 8-speed, freewheel |
| Shift levers | Shimano SL-C6000-8 |
| Number of gears | 8 |
| Fork | SR Suntour NEX-E25, 63 mm travel, adjustable, 1.1/8" shaft |
| Fork travel (mm) | 63 |
| Crankset | Hercules EC40 |
| Sprocket | Shimano 18T |
| Drive | KMC Z610 |
| Headset | Acros AZF-642, semi integrated, reduced 1.1/8" - 1.5" |
| Handlebar | Trekking Zecure, AL, 31.8 mm, 15° backsweep |
| Grips | Ergo, integrated clamping |
| Stem | Zecure UP2+, A-head, adjustable |
| Saddle | Selle Royal Vivo Ergo Sport Woman |
| Seatpost | Limotec S1, Ø30.9 mm, 350 mm, 50 mm travel |
| Seat clamp | QR, black |
| Tires | Schwalbe Big Ben K-Guard, 50-622 |
| Front hub | Shimano HB-QC300, 9X100 mm, Centrelock |
| Rear hub | Shimano SG-C6001-8D, 135 mm, centre lock |
| Spokes | Stainless steel, black, 2 mm |
| Pedals | Marwi SP828, AL |
| Front light | Hercules, FS-50, up to 50 lux |
| Rear light | Busch & Müller, 2C, LED |
| Mudguards | Curana Apollo 60, AL |
| Kickstand | Pletscher Comp Flex 40 |
| Rack | Monkey Load, system carrier, spring flap |
| Motor manufacturer / model | Active Line Plus Smart System, 250 watts, 50 Nm |
| Display | Bosch Intuvia 100 |
| Battery | Bosch PowerTube |
| Battery capacity (Wh) | 625 |
| Charger | Bosch 2A |