2019 Author Aura XR5 Base

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

Geometry

500
520
540
560
580
Stack
548mm
568mm
586mm
606mm
627mm
Reach
378mm
382mm
386mm
395mm
397mm
Stack to Reach Ratio
1.45:1
1.49:1
1.52:1
1.53:1
1.58:1
Seat Tube Length, C-C
460mm
480mm
500mm
520mm
540mm
Top Tube Length, Effective/Horizontal Unknown
530mm
545mm
560mm
580mm
595mm
Top Tube Length, Actual C-C
518mm
532mm
546mm
563mm
576mm
Head Tube Angle
70.5deg
71deg
71deg
71.5deg
72deg
Seat Tube Angle
74.5deg
74deg
73.5deg
73deg
72.5deg
Head Tube Length
120mm
140mm
160mm
180mm
200mm
Bottom Bracket Drop
70mm
70mm
69mm
68mm
68mm
Bottom Bracket Height
276mm
276mm
277mm
278mm
278mm
Chainstay Length
425mm
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
419.2mm
419.2mm
419.4mm
419.5mm
419.5mm
Front-Center
598.9mm
604.9mm
615.5mm
626.2mm
630.2mm
Front-Center Horizontal
594.8mm
600.8mm
611.6mm
622.5mm
626.5mm
Wheelbase
1014mm
1020mm
1031mm
1042mm
1046mm
Fork Offset/Rake
45mm
45mm
45mm
45mm
45mm
Fork Length (On-Axis)
400mm
400mm
400mm
400mm
400mm
Trail
74.8mm
high
71.5mm
high
71.5mm
high
68.3mm
high
65.1mm
high
Mechanical Trail
70.5mm
67.7mm
67.7mm
64.8mm
61.9mm
Wheel Flop
23.5mm
22mm
22mm
20.6mm
19.1mm
Tire to Pedal Spindle
82.9mm
170 mm cranks
88.9mm
170 mm cranks
99.5mm
170 mm cranks
110.2mm
170 mm cranks
114.2mm
170 mm cranks
Pedal Spindle to Ground Clearance
106mm
170 mm cranks
106mm
170 mm cranks
107mm
170 mm cranks
108mm
170 mm cranks
108mm
170 mm cranks

Base Build

500
520
540
560
580
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
Tire Width
35mm
35mm
35mm
35mm
35mm
Tire Width Max
35mm
35mm
35mm
35mm
35mm
Tire Outer Diameter
692mm
692mm
692mm
692mm
692mm
Bike Length with Tires
1706mm
1712mm
1723mm
1734mm
1738mm
Crank Length
170mm
Handlebar Width
420mm

Published Sizing Recommendations

Height
160 cm
to
170 cm
168 cm
to
178 cm
176 cm
to
188 cm
186 cm
to
195 cm
193 cm
to
205 cm

Stack and Reach vs. Category Trend

Reach250mm300mm350mm400mm450mm500mmStack450mm500mm550mm600mm650mm700mm500520540560580
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
All-road/Gravel
Source:https://pl.author.eu/szosowe/rowery/author-aura-xr-5-2019-ua42912602-6404#!geometrie-modelu