2020 Ritchey Design Outback 650b M
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 | 566.5mm |
| Reach | 383mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 490mm |
| Top Tube Length, Effective/Horizontal Center | 556.6mm |
| Top Tube Length, Actual C-C | 538.5mm |
| Top Tube Slope | 8.3deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 68mm |
| Bottom Bracket Height | 274.8mm |
| Chainstay Length | 453mm |
| Chainstay Length Horizontal | 447.9mm |
| Front-Center | 616.3mm |
| Front-Center Horizontal | 612.5mm |
| Wheelbase | 1060.4mm |
| Fork Offset/Rake | 50mm |
| Fork Length (On-Axis) | 390mm |
| Fork Length (Axle-To-Crown) | 393mm |
| Trail | 68.4mm high |
| Mechanical Trail | 64.4mm |
| Wheel Flop | 21.5mm |
| Standover Height | 795.5mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 103.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 104.8mm |
650b Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2in |
| Tire Outer Diameter | 685.6mm |
| Bike Length with Tires | 1746mm |
| 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