Version

Build

Insights

Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category

Geometry

Stack
532mm
536.7mm
567mm
588.7mm
631.3mm
Reach
367.5mm
371.1mm
377mm
380mm
387mm
Stack to Reach Ratio
1.45:1
1.45:1
1.5:1
1.55:1
1.63:1
Seat Tube Length, C-T
390mm
430mm
470mm
510mm
550mm
Top Tube Length, Effective/Horizontal HT Top
515mm
525mm
545mm
560mm
580mm
Top Tube Slope
18.3deg
14.1deg
12.8deg
10.8deg
10.9deg
Head Tube Angle
70deg
70deg
71deg
71deg
71deg
Seat Tube Angle
74.5deg
74deg
73.5deg
73deg
73deg
Bottom Bracket Height
Chainstay Length
445mm
445mm
445mm
445mm
445mm
Wheelbase
1043.6mm
1049mm
1050.1mm
1060.6mm
1082.5mm
Fork Offset/Rake
55mm
55mm
50mm
50mm
50mm
Trail
66mm
high
66mm
high
64.9mm
mid/​neutral
64.9mm
mid/​neutral
64.9mm
mid/​neutral
Mechanical Trail
62mm
62mm
61.3mm
61.3mm
61.3mm
Wheel Flop
21.2mm
21.2mm
20mm
20mm
20mm
Standover Height
709mm
733.9mm
768.4mm
799.4mm
843mm

Base Build

Wheel Size
650B/27.5
584 mm BSD
650B/27.5
584 mm BSD
650B/27.5
584 mm BSD
650B/27.5
584 mm BSD
650B/27.5
584 mm BSD
Tire Width
50mm
50mm
50mm
50mm
50mm
Tire Outer Diameter
684mm
684mm
684mm
684mm
684mm
Bike Length with Tires
1727.6mm
1733mm
1734.1mm
1744.6mm
1766.5mm

Published Sizing Recommendations

Height
5 ft 0 in
to
5 ft 3 in
5 ft 3 in
to
5 ft 6 in
5 ft 6 in
to
5 ft 9 in
5 ft 9 in
to
6 ft 0 in
6 ft 0 in
to
6 ft 3 in

Base Build

Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc

Stack and Reach vs. Category Trend

Source:https://www.rei.com/product/122463/co-op-cycles-adv-31-bike

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