2021 Airstreeem Marathon SL Base

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

Geometry

XXS
XS
SM
MD
L
XL
XXL
Stack
529mm
548mm
567mm
586mm
605mm
624mm
643mm
Reach
354mm
362mm
370mm
378mm
386mm
394mm
402mm
Stack to Reach Ratio
1.49:1
1.51:1
1.53:1
1.55:1
1.57:1
1.58:1
1.6:1
Seat Tube Length, C-TTT
440mm
465mm
490mm
515mm
540mm
565mm
600mm
Seat Tube Length, Unknown
429mm
454mm
479mm
504mm
529mm
554mm
589mm
Top Tube Length, Effective/Horizontal Unknown
504mm
519mm
535mm
551mm
569mm
585mm
601mm
Top Tube Slope
10.2deg
9.4deg
8.6deg
7.9deg
7.2deg
6.5deg
5deg
Head Tube Angle
70.6deg
70.8deg
71deg
71.8deg
72deg
72.2deg
72.5deg
Seat Tube Angle
74.2deg
74deg
73.8deg
73.5deg
73.2deg
73deg
72.8deg
Head Tube Length
118.4mm
137.7mm
157mm
174.3mm
193.5mm
212.7mm
231.3mm
Bottom Bracket Height
Chainstay Length
415mm
415mm
515mm
420mm
420mm
420mm
420mm
Wheelbase
980mm
993mm
1006mm
1012mm
1024mm
1036mm
1047mm
Trail
Mechanical Trail
Wheel Flop

Base Build

XXS
XS
SM
MD
L
XL
XXL
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
25mm
25mm
25mm
25mm
25mm
25mm
25mm
Tire Outer Diameter
672mm
672mm
672mm
672mm
672mm
672mm
672mm
Bike Length with Tires
1652mm
1665mm
1678mm
1684mm
1696mm
1708mm
1719mm

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://airstreeem.com/de/produkte/fahrraeder/strasse/marathon-sl