2021 REI Coop CTY e2.1 Base S

Build

650B/27.5 in × 1.95 in

Insights

Very upright stack and reach vs trend of commuter bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
612mm
Reach
370mm
Stack to Reach Ratio
1.65:1
Seat Tube Length, C-T
375mm
Top Tube Length, Effective/Horizontal Center
558mm
Top Tube Slope
27.9deg
Head Tube Angle
70deg
Seat Tube Angle
73deg
Head Tube Length
135mm
Fork Offset/Rake
44mm
Trail
77.5mm
high
Mechanical Trail
72.8mm
Wheel Flop
24.9mm
Standover Height
676mm
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
1.95in
Tire Outer Diameter
683.1mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
75mm
Suspension Sag
Unknown
Frame Material
Aluminum
Fork Material
Unknown
Brake Type
Disc
Features
E-bike, Step-through

Published Sizing Recommendations

Height
5 ft 0 in
to
5 ft 6 in
Source:https://www.rei.com/product/172495/co-op-cycles-cty-e21-electric-bike