2019 BMC Switzerland Roadmachine X
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
47 | 51 | 54 | 56 | 58 | 61 | |
Stack | 525mm | 550mm | 571mm | 585mm | 604mm | 628mm |
Reach | 376mm | 376mm | 385mm | 391mm | 400mm | 408mm |
Stack to Reach Ratio | 1.4:1 | 1.46:1 | 1.48:1 | 1.5:1 | 1.51:1 | 1.54:1 |
Seat Tube Length, C-TTT | 465mm | 490mm | 533mm | 548mm | 564mm | 600mm |
Top Tube Length, Effective/Horizontal HT Top | 532mm | 539mm | 554mm | 564mm | 579mm | 594mm |
Top Tube Slope | 6.7deg | 6.7deg | 4.3deg | 4.2deg | 4.5deg | 3.3deg |
Head Tube Angle | 70.5deg | 70.5deg | 71.5deg | 71.5deg | 72deg | 72.5deg |
Seat Tube Angle | 73.5deg | 73.5deg | 73.5deg | 73.5deg | 73.5deg | 73.5deg |
Head Tube Length | 128mm | 154mm | 172mm | 187mm | 205mm | 228mm |
Bottom Bracket Drop | 71mm | 71mm | 71mm | 71mm | 71mm | 71mm |
Bottom Bracket Height | 274mm | 274mm | 274mm | 274mm | 274mm | 274mm |
Chainstay Length | 420mm | 420mm | 420mm | 420mm | 420mm | 420mm |
Chainstay Length Horizontal | 414mm | 414mm | 414mm | 414mm | 414mm | 414mm |
Front-Center | 589mm | 598mm | 607mm | 615mm | 625mm | 640mm |
Front-Center Horizontal | 584mm | 593mm | 602mm | 610mm | 620mm | 630mm |
Wheelbase | 998mm | 1007mm | 1016mm | 1024mm | 1034mm | 1044mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm |
Fork Length (On-Axis) | 369mm | 369mm | 369mm | 369mm | 369mm | 369mm |
Trail | 74.4mm high | 74.4mm high | 68mm high | 68mm high | 64.8mm mid/neutral | 61.6mm mid/neutral |
Mechanical Trail | 70.2mm | 70.2mm | 64.5mm | 64.5mm | 61.6mm | 58.7mm |
Wheel Flop | 23.4mm | 23.4mm | 20.5mm | 20.5mm | 19mm | 17.7mm |
Tire to Pedal Spindle | 74mm 170 mm cranks | 83mm 170 mm cranks | 89.5mm 172.5 mm cranks | 97.5mm 172.5 mm cranks | 105mm 175 mm cranks | 120mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 104mm 170 mm cranks | 104mm 170 mm cranks | 101.5mm 172.5 mm cranks | 101.5mm 172.5 mm cranks | 99mm 175 mm cranks | 99mm 175 mm cranks |
X 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 | 34mm | 34mm | 34mm | 34mm | 34mm | 34mm |
Tire Outer Diameter | 690mm | 690mm | 690mm | 690mm | 690mm | 690mm |
Bike Length with Tires | 1688mm | 1697mm | 1706mm | 1714mm | 1724mm | 1734mm |
Crank Length | 170mm | 170mm | 172.5mm | 172.5mm | 175mm | 175mm |
Handlebar Width | 400mm | 420mm | 420mm | 420mm | 440mm | 440mm |
Stem Length | 90mm | 90mm | 100mm | 100mm | 110mm | 110mm |
Stem Angle | 8deg | 8deg | 8deg | 8deg | 8deg | 8deg |
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://de-de.bmc-switzerland.com/catalog/product/view/id/3198/s/roadmachine-x-302030/category/88/