2019 BMC Switzerland Roadmachine X

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Disc brake
Somewhat aggressive stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category

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"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
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 Scale
Category Trend
Endurance Road
Source:https://de-de.bmc-switzerland.com/catalog/product/view/id/3198/s/roadmachine-x-302030/category/88/