BMC 257 AL ONE
The BMC 257 AL ONE is your brand new city bike. With its clean design, carefully thought-out details and functional integration, this is your partner for everyday bike rides. The lightweight and versatile Premium Aluminum frame is powder-coated and highly durable. The BMC 257 AL ONE has integrated StVZO-certified lights, premium fenders and the reliable Shimano Alfine 8-speed belt drive system gives you an elegant and safe feeling of speed.
| Rider Height CM | <170 | 170-185 |
| Stack MM | 590 | 640 |
| Reach MM (reach) | 390 | 420 |
| Seat Tube MM (st) | 450 | 500 |
| Top Tube MM (tt) | 559 | 603 |
| Head Tube MM (ht) | 165 | 219 |
| Seat Tube Angle (sa) | 74.0 | 74.0 |
| Head Angle (ha) | 70.0 | 70.0 |
| Rear Center MM (rc) | 440 | 440 |
| Front Center MM (fc) | 632 | 680 |
| Wheelbase MM (wb) | 1063 | 1111 |
| BB Drop MM (drop) | 67 | 67 |
| Fork Length MM (fl) | 408 | 408 |
| Fork Rake MM (fr) | 45 | 45 |
| Trail MM (trail) | 75 | 75 |
| Crank Length MM | 170 | 170 |
| Stem Length MM | 80 | 80 |
| Stem Angle | -5 | -5 |
| Bar Width MM | 620 | 620 |
| Post Offset MM | 10 | 10 |
| Standover Height mm | 644 | 653 |
| Seatpost Length MM | 350 | 350 |