2023 BMC Switzerland Roadmachine Base
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
47 | 51 | 54 | 56 | 58 | 61 | |
Stack | 516mm | 541mm | 562mm | 586mm | 610mm | 644mm |
Reach | 374mm | 382mm | 386mm | 390mm | 394mm | 398mm |
Stack to Reach Ratio | 1.38:1 | 1.42:1 | 1.46:1 | 1.5:1 | 1.55:1 | 1.62:1 |
Seat Tube Length, C-T | 420mm | 457mm | 500mm | 522mm | 539mm | 573mm |
Top Tube Length, Actual C-C | 522mm | 532mm | 546mm | 556mm | 568mm | 583mm |
Top Tube Slope | 12.9deg | 11.3deg | 8.8deg | 8.9deg | 9.6deg | 9.5deg |
Head Tube Angle | 71.2deg | 71.2deg | 72deg | 72deg | 72deg | 72deg |
Seat Tube Angle | 74.2deg | 74.2deg | 74.2deg | 74.2deg | 74.2deg | 74.2deg |
Head Tube Length | 112mm | 139mm | 156mm | 181mm | 206mm | 242mm |
Bottom Bracket Drop | 71mm | 71mm | 71mm | 71mm | 71mm | 71mm |
Bottom Bracket Height | 268mm | 268mm | 268mm | 268mm | 268mm | 268mm |
Chainstay Length | 410mm | 410mm | 410mm | 410mm | 410mm | 410mm |
Chainstay Length Horizontal | 403.8mm | 403.8mm | 403.8mm | 403.8mm | 403.8mm | 403.8mm |
Front-Center | 583mm | 599mm | 597mm | 609mm | 621mm | 635mm |
Front-Center Horizontal | 578.2mm | 595.2mm | 593.2mm | 604.2mm | 616.2mm | 631.2mm |
Wheelbase | 982mm | 999mm | 997mm | 1008mm | 1020mm | 1035mm |
Fork Offset/Rake | 50mm | 50mm | 45mm | 45mm | 45mm | 45mm |
Fork Length (On-Axis) | 375mm | 375mm | 375mm | 375mm | 375mm | 375mm |
Trail | 62.6mm mid/neutral | 62.6mm mid/neutral | 62.8mm mid/neutral | 62.8mm mid/neutral | 62.8mm mid/neutral | 62.8mm mid/neutral |
Mechanical Trail | 59.3mm | 59.3mm | 59.8mm | 59.8mm | 59.8mm | 59.8mm |
Wheel Flop | 19.1mm | 19.1mm | 18.5mm | 18.5mm | 18.5mm | 18.5mm |
Standover Height | 719mm | 750mm | 782mm | 805mm | 825mm | 859mm |
Tire to Pedal Spindle | 74mm 170 mm cranks | 90mm 170 mm cranks | 88mm 170 mm cranks | 100mm 170 mm cranks | 112mm 170 mm cranks | 126mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 98mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks |
Base Build
47 | 51 | 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 |
Tire Width | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm |
Tire Width Max | 33mm | 33mm | 33mm | 33mm | 33mm | 33mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | 1660mm | 1677mm | 1675mm | 1686mm | 1698mm | 1713mm |
Published Sizing Recommendations
Height | — | 166 cm to 174 cm | 172 cm to 180 cm | 178 cm to 186 cm | 184 cm to 192 cm | 190 cm 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://at.bmc-switzerland.com/de/products/roadmachine-frs-bike-frames-bmc-23-10605-007#geometry_NUGnEj