An all-new Urban boost, the BMC 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 AL 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 the comfort enhancing ICS MTT Stem and premium lights give you that joyful elegant feeling of velocity and safety.