An all-new Urban boost, the 257 AMP is your amplified partner in crime for daily rides. With its clean looks, exacting attention to detail and functional integration, the 257 AMP ONE ST features a lightweight and versatile Premium Aluminium frame with powder coated finish for durability. The naturally engaging and powerful BOSCH Performance CX belt drive motor combined with premium lights give you that joyful elegant feeling of velocity and safety.
Powerful Companion
The BOSCH Performance CX drive unit provides powerful yet natural pedal assistance, while the high-capacity 625 Wh battery ensures long intervals between charges. The Kiox display is easy to operate and delivers a great range of features thanks to the connectivity with Bosch eBike Connect.
Swiss Design
Stand out in style with a minimalist yet iconic Swiss Design.
Durable
257 bikes use Premium Aluminium and Powder Coating for superior durability.
Safe
The 257 series is equipped with a powerful front light and a high-visibility rear light. The perfect combination of style, functionality and look to add safety in the urban environment. The built-in lights are powered by the internal battery and have StvZo Certification.
Functional
257 AMP bikes are equipped with premium fenders and integrated rear carrier to blend style and functionality. Kickstands further improve ease during daily use.
Reliable
257 AMP ONE and ONE ST feature a belt drivetrain and integrated gear hub for low maintenance and durability. Belt transmissions and internal gear hubs are not affected by the weather and provide great reliability with little maintenance. Just enjoy the ride, 257.
Full Specifications
Frame:
- 257 AMP Premium Aluminium Smoothwelded
- Integrated Battery
- Internal Cable Routing
- Powder Coat Finish
- Flat Mount Disc
- 12x142mm Thru-Axle
Drive Unit: Bosch Performance Line CX
Drive Unit Control: Bosch Kiox
Display: Bosch Kiox
Battery Pack: Bosch PowerTube 625 Wh
Charger: Bosch Compact Charger
Fork:
- 257 Premium Aluminium
- Fender Mounts
- Flat Mount Disc
- 12x100mm Thru-Axle
Gears: 1x8
Chainwheel: Miranda Classic x Bosch / Gates CDX 46T
Cassette: GATES CDX 22T
Chain: Belt GATES 113 CDN
Shifters: SHIMANO Alfine 8 Rapidfire Plus
Brakes: TRP HD (180/160)
Handlebar: BMC LSB 01
Seatpost: BMC LSP 02
Saddle: Selle Royal Vivo Women's
Hubs: CL-712 / Shimano Alfine 8
Rims: SR500
Tires: Pirelli Angel GT - 37mm
Tire Clearance: 42mm (Measured Width)
Extras: Fenders with Integrated Rack, Lights and Kickstand
Weight Limit: 120 Kg
ASTM Classification: Level 2