2021 Miracle Bike CR039 Base 580
Build
700C/29 in × 40 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Miracle Bike CR039
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 601.5mm |
| Reach | 387.8mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, C-TTT | 569mm |
| Top Tube Length, Effective/Horizontal Unknown | 580mm |
| Top Tube Slope | 4.3deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 71.5deg |
| Head Tube Length | 180mm |
| Bottom Bracket Drop | 63mm |
| Bottom Bracket Height | 288mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 420.3mm |
| Front-Center | 616.5mm |
| Front-Center Horizontal | 614.7mm |
| Wheelbase | 1035mm |
| Fork Offset/Rake | 55mm |
| Fork Length, Unknown | 398mm |
| Trail | 62.7mm mid/neutral |
| Mechanical Trail | 59.3mm |
| Wheel Flop | 19.3mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 95.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 118mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1737mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.miraclecycling.com/gravel-cx-bike-frame/miracle-super-light-gravel-carbon-frame.html