2023 BMC Switzerland Roadmachine X AL MD XS
Build
700C/29 in × 45 mm
Insights
Very aggressive stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 525mm |
| Reach | 390mm |
| Stack to Reach Ratio | 1.35:1 |
| Seat Tube Length, C-T | 430mm |
| Seat Tube Length, Unknown | 350mm |
| Top Tube Length, Effective/Horizontal Unknown | 540mm |
| Top Tube Slope | 12.4deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 92mm |
| Bottom Bracket Drop | 125mm |
| Bottom Bracket Height | 231mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 411.4mm |
| Front-Center | 608mm |
| Front-Center Horizontal | 616.6mm |
| Wheelbase | 1028mm |
| Fork Offset/Rake | 45mm |
| Fork Length (Axle-To-Crown) | 410mm |
| Trail | 81.7mm very high |
| Mechanical Trail | 76.8mm |
| Wheel Flop | 26.3mm |
| Standover Height | 720mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 82mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 61mm |
MD Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 712mm |
| Bike Length with Tires | 1740mm |
| Crank Length | 170mm |
| Handlebar Width | 400mm |
| Stem Length | 90mm |
| Stem Angle | 8deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 13 ft 9 in to |
Source:https://www.bmc-switzerland.com/eu_en/bmc-roadmachine-x-al-one-22.html