2023 Ritchey Design Outback 650b XS
Build
650B/27.5 in × 50 mm
Insights
Somewhat aggressive 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 | 532mm |
| Reach | 373mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, C-T | 440mm |
| Top Tube Length, Effective/Horizontal Unknown | 526mm |
| Top Tube Slope | 12.4deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 272mm |
| Chainstay Length | 453mm |
| Chainstay Length Horizontal | 447.6mm |
| Front-Center | 603.5mm |
| Front-Center Horizontal | 599.4mm |
| Wheelbase | 1047mm |
| Fork Offset/Rake | 50mm |
| Fork Length (On-Axis) | 390mm |
| Fork Length (Axle-To-Crown) | 393mm |
| Trail | 74.5mm high |
| Mechanical Trail | 69.8mm |
| Wheel Flop | 24.4mm |
| Standover Height | 754mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 91.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 102mm |
650b Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 50mm |
| Tire Outer Diameter | 684mm |
| Bike Length with Tires | 1731mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://ritcheylogic.com/bike/frames/outback-frameset