2020 Ritchey Design Road Logic Disc Base 49 cm
Build
700C/29 in × 28 mm
Insights
Somewhat aggressive stack and reach vs trend of performance road bikes
Design deviates from other sizes of Ritchey Design Road Logic Disc
Stack and Reach vs. Category Trend
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Geometry
| Stack | 515mm |
| Reach | 380mm |
| Stack to Reach Ratio | 1.36:1 |
| Seat Tube Length, C-T | 465mm |
| Top Tube Length, Effective/Horizontal Center | 518mm |
| Top Tube Slope | 7.5deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 267mm |
| Chainstay Length | 410mm |
| Chainstay Length Horizontal | 403.6mm |
| Front-Center | 576.9mm |
| Front-Center Horizontal | 572.4mm |
| Wheelbase | 976mm |
| Fork Offset/Rake | 46mm |
| Fork Length (On-Axis) | 369mm |
| Trail | 61.8mm mid/neutral |
| Mechanical Trail | 58.8mm |
| Wheel Flop | 18.2mm |
| Standover Height | 740mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 67.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 97mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1654mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://us.ritcheylogic.com/media/itm/magb1/Productfiles/97350008004/ritchey-road-logic-disc-my20-geometry-0420_1.pdf