2023 BMC Switzerland Roadmachine X AMP ONE

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

Geometry

47
51
54
54
56
58
61
Stack
525mm
550mm
570mm
570mm
595mm
620mm
645mm
Reach
370mm
379mm
383mm
383mm
388mm
393mm
398mm
Stack to Reach Ratio
1.42:1
1.45:1
1.49:1
1.49:1
1.53:1
1.58:1
1.62:1
Seat Tube Length, C-T
420mm
460mm
—
500mm
525mm
545mm
575mm
Seat Tube Length, Unknown
—
—
500mm
—
—
—
—
Top Tube Length, Effective/Horizontal Unknown
519mm
535mm
544mm
544mm
556mm
568mm
581mm
Top Tube Slope
14deg
12deg
9.7deg
9.7deg
9.6deg
10deg
9.4deg
Head Tube Angle
71.4deg
71.4deg
72.2deg
72.2deg
72.2deg
72.2deg
72.2deg
Seat Tube Angle
74.2deg
74.2deg
74.4deg
74.2deg
74.2deg
74.2deg
74.2deg
Head Tube Length
112mm
138mm
154mm
154mm
181mm
207mm
233mm
Bottom Bracket Drop
75mm
75mm
75mm
75mm
75mm
75mm
75mm
Bottom Bracket Height
271mm
271mm
271mm
271mm
271mm
271mm
271mm
Chainstay Length
415mm
415mm
—
415mm
415mm
415mm
415mm
Chainstay Length Horizontal
408.2mm
408.2mm
415mm
408.2mm
408.2mm
408.2mm
408.2mm
Front-Center
579mm
596mm
594mm
594mm
607mm
620mm
633mm
Front-Center Horizontal
573.8mm
591.8mm
582mm
588.8mm
601.8mm
614.8mm
627.8mm
Wheelbase
982mm
1000mm
997mm
997mm
1010mm
1023mm
1036mm
Fork Offset/Rake
50mm
50mm
45mm
45mm
45mm
45mm
45mm
Fork Length, Unknown
380mm
380mm
380mm
380mm
380mm
380mm
380mm
Trail
63.7mm
mid/​neutral
63.7mm
mid/​neutral
63.8mm
mid/​neutral
63.8mm
mid/​neutral
63.8mm
mid/​neutral
63.8mm
mid/​neutral
63.8mm
mid/​neutral
Mechanical Trail
60.4mm
60.4mm
60.8mm
60.8mm
60.8mm
60.8mm
60.8mm
Wheel Flop
19.3mm
19.3mm
18.6mm
18.6mm
18.6mm
18.6mm
18.6mm
Standover Height
728mm
755mm
786mm
786mm
810mm
829mm
850mm
Tire to Pedal Spindle
63mm
170 mm cranks
80mm
170 mm cranks
78mm
170 mm cranks
78mm
170 mm cranks
91mm
170 mm cranks
104mm
170 mm cranks
117mm
170 mm cranks
Pedal Spindle to Ground Clearance
101mm
170 mm cranks
101mm
170 mm cranks
101mm
170 mm cranks
101mm
170 mm cranks
101mm
170 mm cranks
101mm
170 mm cranks
101mm
170 mm cranks

ONE Build

47
51
54
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
700C/29 in
622 mm BSD
Tire Width
35mm
35mm
35mm
35mm
35mm
35mm
35mm
Tire Width Max
—
—
38mm
—
—
—
—
Tire Outer Diameter
692mm
692mm
692mm
692mm
692mm
692mm
692mm
Bike Length with Tires
1674mm
1692mm
1689mm
1689mm
1702mm
1715mm
1728mm
Crank Length
170mm
170mm
170mm
170mm
170mm
170mm
170mm
Handlebar Width
400mm
420mm
—
420mm
420mm
420mm
440mm
Stem Length
90mm
90mm
100mm
100mm
110mm
110mm
120mm
Stem Angle
—
—
-12.5deg
—
—
—
—

Published Sizing Recommendations

Height
—
—
172 cm
to
180 cm
—
—
—
—

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://www.bmc-switzerland.com/eu_en/bmc-roadmachine-01-amp-x-one-23.html, https://www.bmc-switzerland.com/us_en/bmc-roadmachine-01-amp-x-one-usa-23.html