2021 Miracle Bike CR039 Base

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

Geometry

490
520
540
560
580
Stack
535.2mm
551.2mm
571.2mm
586.1mm
601.5mm
Reach
346mm
361.1mm
370mm
375.4mm
387.8mm
Stack to Reach Ratio
1.55:1
1.53:1
1.54:1
1.56:1
1.55:1
Seat Tube Length, C-TTT
479mm
499mm
529mm
549mm
569mm
Top Tube Length, Effective/Horizontal Unknown
520mm
545mm
555mm
565mm
580mm
Top Tube Slope
6.6deg
6.1deg
5.1deg
4.7deg
4.3deg
Head Tube Angle
69deg
70deg
70.5deg
70.5deg
71deg
Seat Tube Angle
73.5deg
73deg
72.5deg
72deg
71.5deg
Head Tube Length
115mm
133mm
153mm
168mm
180mm
Bottom Bracket Drop
63mm
63mm
63mm
63mm
63mm
Bottom Bracket Height
288mm
288mm
288mm
288mm
288mm
Chainstay Length
425mm
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
420.3mm
420.3mm
420.3mm
420.3mm
420.3mm
Front-Center
563mm
586.5mm
600mm
609.5mm
616.5mm
Front-Center Horizontal
560.7mm
585.7mm
597.7mm
607.7mm
614.7mm
Wheelbase
981mm
1006mm
1018mm
1028mm
1035mm
Fork Offset/Rake
55mm
55mm
55mm
55mm
55mm
Fork Length, Unknown
398mm
398mm
398mm
398mm
398mm
Trail
75.8mm
high
69.2mm
high
66mm
high
66mm
high
62.7mm
mid/​neutral
Mechanical Trail
70.8mm
65.1mm
62.2mm
62.2mm
59.3mm
Wheel Flop
25.4mm
22.3mm
20.8mm
20.8mm
19.3mm
Tire to Pedal Spindle
42mm
170 mm cranks
65.5mm
170 mm cranks
79mm
170 mm cranks
88.5mm
170 mm cranks
95.5mm
170 mm cranks
Pedal Spindle to Ground Clearance
118mm
170 mm cranks
118mm
170 mm cranks
118mm
170 mm cranks
118mm
170 mm cranks
118mm
170 mm cranks

Base Build

490
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
40mm
40mm
40mm
40mm
40mm
Tire Width Max
40mm
40mm
40mm
40mm
40mm
Tire Outer Diameter
702mm
702mm
702mm
702mm
702mm
Bike Length with Tires
1683mm
1708mm
1720mm
1730mm
1737mm

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
All-road/Gravel
Source:https://www.miraclecycling.com/gravel-cx-bike-frame/miracle-super-light-gravel-carbon-frame.html