2018 Co-Op Cycles CTY 3.1 Base M

Build

650B/27.5 in × 47 mm

Insights

Somewhat aggressive stack and reach vs trend of commuter bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
552.7mm
Reach
405.7mm
Stack to Reach Ratio
1.36:1
Seat Tube Length, C-T
425mm
Top Tube Length, Effective/Horizontal Center
580mm
Top Tube Slope
15.4deg
Head Tube Angle
71deg
Seat Tube Angle
72.5deg
Chainstay Length
445mm
Wheelbase
1066.8mm
Fork Offset/Rake
50mm
Trail
63.9mm
mid/​neutral
Mechanical Trail
60.4mm
Wheel Flop
19.7mm
Standover Height
731.6mm
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
47mm
Tire Outer Diameter
678mm
Bike Length with Tires
1744.8mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Flat Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc
Source:https://www.rei.com/product/121586/co-op-cycles-cty-31-bike