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