2021 BMC Switzerland Roadmachine 01 Four Base 54
Build
700C/29 in × 28 mm
Insights
Somewhat aggressive stack and reach vs trend of endurance road bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 562mm |
| Reach | 386mm |
| Stack to Reach Ratio | 1.46:1 |
| Seat Tube Length, C-TTT | 500mm |
| Top Tube Length, Effective/Horizontal Center | 546mm |
| Top Tube Slope | 6.7deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 74.2deg |
| Head Tube Length | 156mm |
| Bottom Bracket Drop | 71mm |
| Bottom Bracket Height | 268mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 403.8mm |
| Front-Center | 597mm |
| Front-Center Horizontal | 593.2mm |
| Wheelbase | 997mm |
| Fork Offset/Rake | 45mm |
| Fork Length (On-Axis) | 375mm |
| Trail | 62.8mm mid/neutral |
| Mechanical Trail | 59.8mm |
| Wheel Flop | 18.5mm |
| Tire to Pedal Spindle Distance With 172.5 mm cranks | 85.5mm |
| Pedal Spindle to Ground Clearance With 172.5 mm cranks | 95.5mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1675mm |
| Crank Length | 172.5mm |
| Handlebar Width | 420mm |
| Stem Length | 100mm |
| Stem Angle | -12.5deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://edelrad.de/rennrad/bmc/roadmachine-01/4596/bmc-roadmachine-01-four-2021-shimano-ultegra-di2