Due to the tight supply situation for individual components, bikes may sometimes be delivered with deviating equipment. However, any alternative components used will be of a corresponding quality to that of the original components.
The BMC 257 AMP AL SPEED swiftly and safely transports you from A to B. Its clean, detailed design and seamless functionality are embodied in the Premium Aluminium frame with a durable powder-coated finish.
The 
| Product name: | BMC 257 AMP AL SPEED ONE ST - 45km/h Women Electric City Bike - 2024 - powder anthracite | 
| Manufacturer: | BMC Bikes | 
| Item code: | BMC577761 | 
| Activity: | Cycling | 
| Gender: | women | 
| Material: | Aluminium | 
| Usage bikesport: | E-Bike, City | 
| Hubs: | Formula CL-712 / ECT-142S | 
| Rims: | E-SRX30 | 
| Chain: | Shimano Cues CN-LG500 | 
| Cassette: | Shimano Cues CS-LG700-11 | 
| Shifter: | Shimano Cues SL-U8000 | 
| Rear derailleur: | Shimano Cues RD-U8000 | 
| Chainring ratio: | 46 | 
| Crankset: | Miranda Classic x Bosch / CF3D | 
| Brakes: | Tektro | 180/160mm | 
| Seat post model: | BMC LSP 02 | 
| Saddle: | Selle Royal Vivo | 
| Handle bar: | BMC LSB 01 | 
| Stem: | ICS MTT x Redshift Suspension | 
| Fork: | 257 Premium Aluminium | 
| Frame: | 257 AMP Premium Aluminium | 
| Groupset: | Shimano | 
| Gear ratio: | 11-50 | 
| Battery capacity: | 625Wh | 
| Number of gears - front: | 1 | 
| Shifting system: | 11-speed | 
| Shifting actuation: | Mechanical | 
| E-bike battery: | Bosch PowerTube 625 | 
| Assisted speed: | max. 45 km/h | 
| Drive unit manufacturer: | Bosch | 
| Motor : | Mid-Mounted Motor, Full Assist | 
| Bike extras: | with Lighting System, with Fender , with Carrier | 
| Brake type: | Disc Brake | 
| Wheel size: | 28" (622mm) | 
| Bike special accessories: | Bosch Compact Charger | Kickstand | Fenders | 
| Bike lights: | Front & Rear LED Light | 
| Seatpost: | Seatpost rigid | 
| Astm: | Category 2 | 
| Tires: | Pirelli Angel GT | 37mm | 
| Max tire width: | 42mm | 
| Weight limit: | 120kg | 
| Brake actuation: | Hydraulic | 
| Model year: | 2024 | 
| Color: | Grey | 
| Fork construction: | Rigid Fork | 
| Cable routing: | internal | 
| Display / control unit: | Bosch Kiox | 
| Drive unit model: | Bosch Performance Line Speed | 
| Torque: | 85Nm | 
| Manufacturer page: | http://www.bmc-switzerland.com |