2019 Author Airline Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Aluminum
Fork
Aluminum
Features
Disc brake
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Bar type unusual for category
This: Flat Bar
Category: Drop Bar
vs category
Very aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Bar type unusual for category
This: Flat Bar
Category: Drop Bar
vs category
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Bar type unusual for category
This: Flat Bar
Category: Drop Bar
vs category

Geometry

18"
20"
22"
Stack
648.9mm
625mm
677.3mm
Reach
380.7mm
415mm
411.9mm
Stack to Reach Ratio
1.7:1
1.51:1
1.64:1
Seat Tube Length, C-T
457mm
508mm
559mm
Top Tube Length, Effective/Horizontal Unknown
580mm
600mm
620mm
Top Tube Length, Actual C-C
556mm
574mm
595mm
Top Tube Slope
13.9deg
Head Tube Angle
71deg
71deg
71deg
Seat Tube Angle
73deg
73deg
73deg
Head Tube Length
130mm
150mm
160mm
Bottom Bracket Drop
60mm
60mm
60mm
Bottom Bracket Height
298mm
298mm
298mm
Chainstay Length
450mm
450mm
450mm
Chainstay Length Horizontal
446mm
446mm
446mm
Front-Center
632.9mm
653.8mm
673.7mm
Front-Center Horizontal
630mm
651mm
671mm
Wheelbase
1076mm
1097mm
1117mm
Fork Offset/Rake
44mm
44mm
44mm
Fork Length, Unknown
490mm
490mm
490mm
Trail
76.7mm
high
76.7mm
high
76.7mm
high
Mechanical Trail
72.6mm
72.6mm
72.6mm
Wheel Flop
23.6mm
23.6mm
23.6mm
Tire to Pedal Spindle
104.9mm
170 mm cranks
125.8mm
170 mm cranks
145.7mm
170 mm cranks
Pedal Spindle to Ground Clearance
128mm
170 mm cranks
128mm
170 mm cranks
128mm
170 mm cranks

Base Build

18"
20"
22"
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
47mm
47mm
47mm
Tire Outer Diameter
716mm
716mm
716mm
Bike Length with Tires
1792mm
1813mm
1833mm

Published Sizing Recommendations

Height
165 cm
to
178 cm
175 cm
to
188 cm
185 cm
to
200 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
Off-road Touring
Source:https://pl.author.eu/crossowe/rowery/author-airline-2019-ua42910001-6404#!geometrie-modelu