2019 Ascent Bikes Mirage Base

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

Geometry

500
520
540
560
Stack
514mm
524mm
544mm
565mm
Reach
380mm
385mm
388mm
392mm
Stack to Reach Ratio
1.35:1
1.36:1
1.4:1
1.44:1
Seat Tube Length, C-T
503mm
520mm
540mm
561mm
Top Tube Length, Actual C-C
534mm
542mm
553mm
567mm
Top Tube Slope
3.4deg
2.6deg
2.8deg
2.8deg
Head Tube Angle
73deg
73deg
73deg
73.5deg
Seat Tube Angle
74deg
74deg
73.5deg
73.5deg
Head Tube Length
110mm
120mm
140mm
160mm
Bottom Bracket Drop
68mm
68mm
68mm
68mm
Bottom Bracket Height
271mm
271mm
271mm
271mm
Chainstay Length
410mm
410mm
410mm
410mm
Chainstay Length Horizontal
404.3mm
404.3mm
404.3mm
404.3mm
Front-Center
569.8mm
577.7mm
582.7mm
591.6mm
Front-Center Horizontal
565.7mm
573.7mm
578.7mm
587.7mm
Wheelbase
970mm
978mm
983mm
992mm
Fork Offset/Rake
45mm
45mm
45mm
45mm
Trail
56.6mm
mid/​neutral
56.6mm
mid/​neutral
56.6mm
mid/​neutral
53.5mm
mid/​neutral
Mechanical Trail
54.1mm
54.1mm
54.1mm
51.3mm
Wheel Flop
15.8mm
15.8mm
15.8mm
14.6mm
Tire to Pedal Spindle
60.8mm
170 mm cranks
68.7mm
170 mm cranks
73.7mm
170 mm cranks
82.6mm
170 mm cranks
Pedal Spindle to Ground Clearance
101mm
170 mm cranks
101mm
170 mm cranks
101mm
170 mm cranks
101mm
170 mm cranks

Base Build

500
520
540
560
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
Tire Width
28mm
28mm
28mm
28mm
Tire Outer Diameter
678mm
678mm
678mm
678mm
Bike Length with Tires
1648mm
1656mm
1661mm
1670mm

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
Performance Road
Source:https://www.ascent-bikes.com/mirage-aero