2020 REI Coop DRT 3.1 Base

Design
Flat Bar, Full suspension
Frame
Aluminum
Suspension
140mm fork travel, 130mm rear travel
Features
Disc brake
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Very aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

XS
S
M
L
XL
Stack
560mm
560mm
608mm
608mm
627mm
Reach
400mm
425mm
450mm
475mm
500mm
Stack to Reach Ratio
1.4:1
1.32:1
1.35:1
1.28:1
1.25:1
Seat Tube Length, C-T
360mm
395mm
430mm
465mm
500mm
Top Tube Length, Effective/Horizontal Center
550mm
575mm
608mm
640mm
672mm
Top Tube Slope
23.3deg
18.7deg
18.9deg
14.9deg
12.9deg
Head Tube Angle
66deg
66deg
67deg
67deg
67deg
Seat Tube Angle
75deg
75deg
75deg
75deg
75deg
Bottom Bracket Drop
160.6mm
160.6mm
113.1mm
113.1mm
113.1mm
Bottom Bracket Height
190mm
190mm
250mm
250mm
250mm
Chainstay Length
433.5mm
433.5mm
441mm
441mm
441mm
Chainstay Length Horizontal
402.7mm
402.7mm
426.3mm
426.3mm
426.3mm
Front-Center
740mm
764.4mm
763.2mm
795.8mm
827.5mm
Front-Center Horizontal
722.4mm
747.4mm
754.8mm
787.8mm
819.8mm
Wheelbase
1125mm
1150mm
1181mm
1214mm
1246mm
Fork Offset/Rake
46mm
46mm
46mm
46mm
46mm
Trail
105.8mm
very high
105.8mm
very high
104.2mm
very high
104.2mm
very high
104.2mm
very high
Mechanical Trail
96.6mm
96.6mm
95.9mm
95.9mm
95.9mm
Wheel Flop
39.3mm
39.3mm
37.5mm
37.5mm
37.5mm
Standover Height
761mm
763mm
781mm
795mm
799mm
Tire to Pedal Spindle
219.4mm
170 mm cranks
243.8mm
170 mm cranks
230.1mm
170 mm cranks
262.7mm
170 mm cranks
294.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
20mm
170 mm cranks
20mm
170 mm cranks
80mm
170 mm cranks
80mm
170 mm cranks
80mm
170 mm cranks

Base Build

XS
S
M
L
XL
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
2.8in
2.8in
2.8in
2.8in
2.8in
Tire Outer Diameter
701.2mm
701.2mm
726.2mm
726.2mm
726.2mm
Bike Length with Tires
1826.2mm
1851.2mm
1907.2mm
1940.2mm
1972.2mm

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

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Source:https://www.rei.com/product/180587/co-op-cycles-drt-31-bike