2017 Basso Bikes Astra Base

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

Geometry

48
51
53
56
58
61
Stack
516mm
541mm
553mm
580mm
603mm
637mm
Reach
376mm
380mm
386mm
388mm
389mm
390mm
Stack to Reach Ratio
1.37:1
1.42:1
1.43:1
1.49:1
1.55:1
1.63:1
Seat Tube Length, C-T
480mm
510mm
530mm
560mm
580mm
610mm
Top Tube Length, Effective/Horizontal Center
510mm
525mm
545mm
560mm
575mm
590mm
Top Tube Slope
6deg
5.4deg
4.7deg
4.5deg
5deg
5.5deg
Head Tube Angle
71.8deg
72deg
72.3deg
73.5deg
73.5deg
74deg
Seat Tube Angle
75deg
75deg
74deg
73.5deg
73deg
72.5deg
Head Tube Length
113mm
138mm
152mm
170mm
194mm
225mm
Bottom Bracket Height
Chainstay Length
400mm
400mm
404mm
406mm
406mm
410mm
Trail
Mechanical Trail
Wheel Flop

Base Build

48
51
53
56
58
61
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
Tire Width
28mm
28mm
28mm
28mm
28mm
28mm
Tire Outer Diameter
678mm
678mm
678mm
678mm
678mm
678mm

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://geometrygeeks.bike/bike/basso-astra-2017/