2023 REI Coop ADV 3.1 Base XL

Build

650B/27.5 in × 50 mm

Insights

Somewhat upright stack and reach vs trend of touring bikes
Design deviates from other sizes of REI Coop ADV 3.1

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
631.1mm
Reach
387mm
Stack to Reach Ratio
1.63:1
Seat Tube Length, C-T
550mm
Top Tube Length, Effective/Horizontal Center
580mm
Top Tube Slope
10.9deg
Head Tube Angle
71deg
Seat Tube Angle
73deg
Head Tube Length
229mm
Chainstay Length
445mm
Wheelbase
1082.5mm
Fork Offset/Rake
50mm
Trail
64.9mm
mid/​neutral
Mechanical Trail
61.3mm
Wheel Flop
20mm
Standover Height
843mm
Tire to Pedal Spindle Distance
With 170 mm cranks
Pedal Spindle to Ground Clearance
With 170 mm cranks

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
50mm
Tire Outer Diameter
684mm
Bike Length with Tires
1766.5mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc

Published Sizing Recommendations

Height
5 ft 0 in
to
Source:https://www.rei.com/product/180598/co-op-cycles-adv-31-bike