2020 BMC Switzerland Alpenchallenge AMP Cross LTD

Category
Fitness
Design
Flat Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
Somewhat upright stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category

Geometry

S
M
L
Stack
565mm
600mm
635mm
Reach
380mm
405mm
425mm
Stack to Reach Ratio
1.49:1
1.48:1
1.49:1
Seat Tube Length, Effective Unknown
443mm
480mm
538mm
Top Tube Length, Effective/Horizontal Unknown
548mm
583mm
608mm
Top Tube Slope
12.2deg
12.2deg
12.2deg
Head Tube Angle
71.25deg
72deg
72deg
Seat Tube Angle
73.5deg
73.5deg
73.5deg
Head Tube Length
120mm
157mm
193mm
Bottom Bracket Drop
70mm
70mm
70mm
Bottom Bracket Height
281mm
281mm
281mm
Chainstay Length
435mm
435mm
435mm
Chainstay Length Horizontal
429.3mm
429.3mm
429.3mm
Front-Center
592mm
628mm
659mm
Front-Center Horizontal
594.7mm
623.7mm
655.7mm
Wheelbase
1024mm
1053mm
1085mm
Fork Offset/Rake
45mm
45mm
45mm
Fork Length (On-Axis)
415mm
415mm
415mm
Trail
71.6mm
high
66.7mm
high
66.7mm
high
Mechanical Trail
67.8mm
63.5mm
63.5mm
Wheel Flop
21.8mm
19.6mm
19.6mm
Standover Height
745mm
777mm
823mm
Tire to Pedal Spindle
71mm
170 mm cranks
107mm
170 mm cranks
138mm
170 mm cranks
Pedal Spindle to Ground Clearance
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks

LTD Build

S
M
L
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
40mm
40mm
40mm
Tire Outer Diameter
702mm
702mm
702mm
Bike Length with Tires
1726mm
1755mm
1787mm
Crank Length
170mm
170mm
170mm
Stem Length
90mm
90mm
100mm
Stem Angle
8deg
8deg
8deg

Published Sizing Recommendations

Height
170 cm
to
185 cm
180 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
Fitness
Source:https://www.bmc-switzerland.com/media/downloads/download/MY20_AMP_Bike_Geometry.pdf