2023 BMC Switzerland Roadmachine X AMP ONE
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake, E-bike
Geometry
47 | 51 | 54 | 54 | 56 | 58 | 61 | |
Stack | 525mm | 550mm | 570mm | 570mm | 595mm | 620mm | 645mm |
Reach | 370mm | 379mm | 383mm | 383mm | 388mm | 393mm | 398mm |
Stack to Reach Ratio | 1.42:1 | 1.45:1 | 1.49:1 | 1.49:1 | 1.53:1 | 1.58:1 | 1.62:1 |
Seat Tube Length, C-T | 420mm | 460mm | — | 500mm | 525mm | 545mm | 575mm |
Seat Tube Length, Unknown | — | — | 500mm | — | — | — | — |
Top Tube Length, Effective/Horizontal Unknown | 519mm | 535mm | 544mm | 544mm | 556mm | 568mm | 581mm |
Top Tube Slope | 14deg | 12deg | 9.7deg | 9.7deg | 9.6deg | 10deg | 9.4deg |
Head Tube Angle | 71.4deg | 71.4deg | 72.2deg | 72.2deg | 72.2deg | 72.2deg | 72.2deg |
Seat Tube Angle | 74.2deg | 74.2deg | 74.4deg | 74.2deg | 74.2deg | 74.2deg | 74.2deg |
Head Tube Length | 112mm | 138mm | 154mm | 154mm | 181mm | 207mm | 233mm |
Bottom Bracket Drop | 75mm | 75mm | 75mm | 75mm | 75mm | 75mm | 75mm |
Bottom Bracket Height | 271mm | 271mm | 271mm | 271mm | 271mm | 271mm | 271mm |
Chainstay Length | 415mm | 415mm | — | 415mm | 415mm | 415mm | 415mm |
Chainstay Length Horizontal | 408.2mm | 408.2mm | 415mm | 408.2mm | 408.2mm | 408.2mm | 408.2mm |
Front-Center | 579mm | 596mm | 594mm | 594mm | 607mm | 620mm | 633mm |
Front-Center Horizontal | 573.8mm | 591.8mm | 582mm | 588.8mm | 601.8mm | 614.8mm | 627.8mm |
Wheelbase | 982mm | 1000mm | 997mm | 997mm | 1010mm | 1023mm | 1036mm |
Fork Offset/Rake | 50mm | 50mm | 45mm | 45mm | 45mm | 45mm | 45mm |
Fork Length, Unknown | 380mm | 380mm | 380mm | 380mm | 380mm | 380mm | 380mm |
Trail | 63.7mm mid/​neutral | 63.7mm mid/​neutral | 63.8mm mid/​neutral | 63.8mm mid/​neutral | 63.8mm mid/​neutral | 63.8mm mid/​neutral | 63.8mm mid/​neutral |
Mechanical Trail | 60.4mm | 60.4mm | 60.8mm | 60.8mm | 60.8mm | 60.8mm | 60.8mm |
Wheel Flop | 19.3mm | 19.3mm | 18.6mm | 18.6mm | 18.6mm | 18.6mm | 18.6mm |
Standover Height | 728mm | 755mm | 786mm | 786mm | 810mm | 829mm | 850mm |
Tire to Pedal Spindle | 63mm 170 mm cranks | 80mm 170 mm cranks | 78mm 170 mm cranks | 78mm 170 mm cranks | 91mm 170 mm cranks | 104mm 170 mm cranks | 117mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks |
ONE Build
47 | 51 | 54 | 54 | 56 | 58 | 61 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 35mm | 35mm | 35mm | 35mm | 35mm | 35mm | 35mm |
Tire Width Max | — | — | 38mm | — | — | — | — |
Tire Outer Diameter | 692mm | 692mm | 692mm | 692mm | 692mm | 692mm | 692mm |
Bike Length with Tires | 1674mm | 1692mm | 1689mm | 1689mm | 1702mm | 1715mm | 1728mm |
Crank Length | 170mm | 170mm | 170mm | 170mm | 170mm | 170mm | 170mm |
Handlebar Width | 400mm | 420mm | — | 420mm | 420mm | 420mm | 440mm |
Stem Length | 90mm | 90mm | 100mm | 100mm | 110mm | 110mm | 120mm |
Stem Angle | — | — | -12.5deg | — | — | — | — |
Published Sizing Recommendations
Height | — | — | 172 cm to 180 cm | — | — | — | — |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Endurance RoadSource:https://www.bmc-switzerland.com/eu_en/bmc-roadmachine-01-amp-x-one-23.html, https://www.bmc-switzerland.com/us_en/bmc-roadmachine-01-amp-x-one-usa-23.html