2021 Sonder Frontier SX Eagle Rigid X-Large

Build

650B/27.5 in × 2.8 in

Insights

Somewhat aggressive stack and reach vs trend of rigid mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
613mm
Reach
460mm
Stack to Reach Ratio
1.33:1
Seat Tube Length, C-T
520mm
Top Tube Length, Effective/Horizontal HT Top
647mm
Top Tube Slope
10.7deg
Head Tube Angle
68deg
Seat Tube Angle
73deg
Head Tube Length
150mm
Bottom Bracket Drop
50mm
Bottom Bracket Height
313.1mm
Chainstay Length
445mm
Chainstay Length Horizontal
442.2mm
Front-Center
734mm
Front-Center Horizontal
732.3mm
Wheelbase
1174.5mm
Fork Offset/Rake
51mm
Trail
91.7mm
very high
Mechanical Trail
85mm
Wheel Flop
31.9mm
Standover Height
853mm
Tire to Pedal Spindle Distance
With 170 mm cranks
200.9mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
143.1mm

SX Eagle Rigid Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.8in
Tire Outer Diameter
726.2mm
Bike Length with Tires
1900.7mm
Suspension Type
Rigid, suspension corrected
Bar Type
Flat Bar
Frame Material
Aluminum
Fork Material
Aluminum
Brake Type
Disc

Published Sizing Recommendations

Height
6 ft 2 in
to
Source:https://alpkit.com/collections/sonder-frontier/products/sonder-frontier-sx-eagle-rigid