2020 Ritchey Design Outback 650b S
Build
650B/27.5 in × 2 in
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Ritchey Design Outback
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 547.7mm |
| Reach | 378mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, C-T | 465mm |
| Top Tube Length, Effective/Horizontal Center | 540.6mm |
| Top Tube Length, Actual C-C | 523.7mm |
| Top Tube Slope | 8.3deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 272.8mm |
| Chainstay Length | 453mm |
| Chainstay Length Horizontal | 447.6mm |
| Front-Center | 609.1mm |
| Front-Center Horizontal | 605mm |
| Wheelbase | 1052.6mm |
| Fork Offset/Rake | 50mm |
| Fork Length (On-Axis) | 390mm |
| Fork Length (Axle-To-Crown) | 393mm |
| Trail | 71.6mm high |
| Mechanical Trail | 67.2mm |
| Wheel Flop | 23mm |
| Standover Height | 772.8mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 96.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 102.8mm |
650b Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2in |
| Tire Outer Diameter | 685.6mm |
| Bike Length with Tires | 1738.2mm |
| 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/us_en/outback-frameset