2021 Co-Op Cycles DRT 4.1

Design
Flat Bar, Rigid, suspension corrected
Frame
Aluminum
Fork
Aluminum
Features
Disc brake
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category

Geometry

XS
S
M
L
XL
Stack
573mm
577mm
587mm
596mm
610mm
Reach
400mm
425mm
450mm
475mm
500mm
Stack to Reach Ratio
1.43:1
1.36:1
1.3:1
1.25:1
1.22:1
Seat Tube Length, C-T
360mm
395mm
430mm
465mm
500mm
Top Tube Length, Effective/Horizontal HT Top
564mm
591mm
618mm
646mm
675mm
Top Tube Slope
24.3deg
20.2deg
17deg
14deg
11.6deg
Head Tube Angle
68deg
68deg
68deg
68deg
68deg
Seat Tube Angle
72deg
72deg
72deg
72deg
72deg
Head Tube Length
95mm
95mm
105mm
110mm
120mm
Bottom Bracket Drop
60mm
60mm
60mm
60mm
60mm
Bottom Bracket Height
341.4mm
341.4mm
341.4mm
341.4mm
341.4mm
Chainstay Length
445mm
445mm
445mm
445mm
445mm
Chainstay Length Horizontal
440.9mm
440.9mm
440.9mm
440.9mm
440.9mm
Front-Center
661.8mm
688.7mm
717.6mm
746.5mm
776.4mm
Front-Center Horizontal
659.1mm
686.1mm
715.1mm
744.1mm
774.1mm
Wheelbase
1100mm
1127mm
1156mm
1185mm
1215mm
Fork Offset/Rake
51mm
51mm
51mm
51mm
51mm
Trail
107.2mm
very high
107.2mm
very high
107.2mm
very high
107.2mm
very high
107.2mm
very high
Mechanical Trail
99.4mm
99.4mm
99.4mm
99.4mm
99.4mm
Wheel Flop
37.2mm
37.2mm
37.2mm
37.2mm
37.2mm
Standover Height
704mm
728mm
750mm
773mm
795mm
Tire to Pedal Spindle
90.4mm
170 mm cranks
117.3mm
170 mm cranks
146.2mm
170 mm cranks
175.1mm
170 mm cranks
205mm
170 mm cranks
Pedal Spindle to Ground Clearance
171.4mm
170 mm cranks
171.4mm
170 mm cranks
171.4mm
170 mm cranks
171.4mm
170 mm cranks
171.4mm
170 mm cranks

4.1 Build

XS
S
M
L
XL
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
Tire Width
4.8in
4.8in
4.8in
4.8in
4.8in
Tire Outer Diameter
802.8mm
802.8mm
802.8mm
802.8mm
802.8mm
Bike Length with Tires
1902.8mm
1929.8mm
1958.8mm
1987.8mm
2017.8mm

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
Category Trend
Rigid Fatbike
Source:https://www.rei.com/product/172198/co-op-cycles-drt-41-fat-tire-bike