2021 BMC Switzerland Roadmachine 01 Four Base
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
54 | 61 | |
Stack | 562mm | 645mm |
Reach | 386mm | 398mm |
Stack to Reach Ratio | 1.46:1 | 1.62:1 |
Seat Tube Length, C-T | — | 550mm |
Seat Tube Length, C-TTT | 500mm | — |
Top Tube Length, Effective/Horizontal Center | 546mm | — |
Top Tube Length, Actual C-C | — | 581mm |
Top Tube Slope | 6.7deg | 11.9deg |
Head Tube Angle | 72deg | 72.2deg |
Seat Tube Angle | 74.2deg | 74.2deg |
Head Tube Length | 156mm | 233mm |
Bottom Bracket Drop | 71mm | 75mm |
Bottom Bracket Height | 268mm | 264mm |
Chainstay Length | 410mm | 415mm |
Chainstay Length Horizontal | 403.8mm | 408.2mm |
Front-Center | 597mm | 633mm |
Front-Center Horizontal | 593.2mm | 627.8mm |
Wheelbase | 997mm | 1036mm |
Fork Offset/Rake | 45mm | 45mm |
Fork Length (On-Axis) | 375mm | 379mm |
Trail | 62.8mm mid/neutral | 61.6mm mid/neutral |
Mechanical Trail | 59.8mm | 58.6mm |
Wheel Flop | 18.5mm | 17.9mm |
Standover Height | — | 849mm |
Tire to Pedal Spindle | 85.5mm 172.5 mm cranks | 119mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 95.5mm 172.5 mm cranks | 89mm 175 mm cranks |
Base Build
54 | 61 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 28mm | 28mm |
Tire Outer Diameter | 678mm | 678mm |
Bike Length with Tires | 1675mm | 1714mm |
Crank Length | 172.5mm | 175mm |
Handlebar Width | 420mm | 440mm |
Stem Length | 100mm | 120mm |
Stem Angle | -12.5deg | — |
Published Sizing Recommendations
Height | — | 15 ft 10 in to |
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://edelrad.de/rennrad/bmc/roadmachine-01/4596/bmc-roadmachine-01-four-2021-shimano-ultegra-di2, -