2020 BMC Switzerland ALPENCHALLENGE 01 Base

Category
Commuter
Design
Flat Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Disc brake
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

S
M
L
XL
Stack
533mm
571mm
590mm
628mm
Reach
390mm
406mm
415mm
431mm
Stack to Reach Ratio
1.37:1
1.41:1
1.42:1
1.46:1
Seat Tube Length, C-T
440mm
485mm
515mm
560mm
Top Tube Length, Effective/Horizontal HT Top
547mm
575mm
590mm
617mm
Top Tube Slope
12.2deg
11deg
9.7deg
8.8deg
Head Tube Angle
72deg
72deg
72deg
72deg
Seat Tube Angle
73.5deg
73.5deg
73.5deg
73.5deg
Head Tube Length
100mm
140mm
160mm
200mm
Bottom Bracket Drop
71mm
71mm
71mm
71mm
Bottom Bracket Height
275mm
275mm
275mm
275mm
Chainstay Length
412mm
412mm
412mm
412mm
Chainstay Length Horizontal
405.8mm
405.8mm
405.8mm
405.8mm
Front-Center
591mm
620mm
635mm
663mm
Front-Center Horizontal
586.2mm
616.2mm
631.2mm
669.2mm
Wheelbase
992mm
1022mm
1037mm
1075mm
Fork Offset/Rake
45mm
45mm
45mm
45mm
Fork Length (On-Axis)
400mm
400mm
400mm
400mm
Trail
65.1mm
high
65.1mm
high
65.1mm
high
65.1mm
high
Mechanical Trail
61.9mm
61.9mm
61.9mm
61.9mm
Wheel Flop
19.1mm
19.1mm
19.1mm
19.1mm
Tire to Pedal Spindle
75mm
170 mm cranks
104mm
170 mm cranks
114mm
175 mm cranks
142mm
175 mm cranks
Pedal Spindle to Ground Clearance
105mm
170 mm cranks
105mm
170 mm cranks
100mm
175 mm cranks
100mm
175 mm cranks

Base Build

S
M
L
XL
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
Tire Width
35mm
35mm
35mm
35mm
Tire Outer Diameter
692mm
692mm
692mm
692mm
Bike Length with Tires
1684mm
1714mm
1729mm
1767mm
Crank Length
170mm
170mm
175mm
175mm
Handlebar Width
600mm
600mm
600mm
600mm
Stem Length
90mm
100mm
110mm
120mm
Stem Angle
90deg
100deg
110deg
120deg

Published Sizing Recommendations

Height
168 cm
to
168 cm
to
180 cm
178 cm
to
190 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
Commuter
Source:https://www.bmc-switzerland.com/alpenchallenge-01-two-301791.html