2017 REI Coop DRT 2.1 Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Aluminum
Suspension
120mm fork travel, 25% sag
Features
Disc brake
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Average stack and reachvs category

Geometry

S
M
L
XL
Stack
590mm
590mm
613mm
632mm
Reach
416mm
442mm
454mm
468mm
Stack to Reach Ratio
1.42:1
1.33:1
1.35:1
1.35:1
Seat Tube Length, C-T
375mm
410mm
445mm
480mm
Top Tube Length, Effective/Horizontal HT Top
585mm
605mm
625mm
645mm
Top Tube Slope
23.8deg
19.4deg
17.8deg
15.9deg
Head Tube Angle
68deg
68deg
68deg
68deg
Seat Tube Angle
73deg
73deg
73deg
74deg
Head Tube Length
100mm
100mm
125mm
145mm
Bottom Bracket Height
Chainstay Length
435mm
435mm
435mm
435mm
Wheelbase
1115mm
1140mm
1162mm
1183mm
Fork Offset/Rake
46mm
46mm
46mm
46mm
Trail
97.1mm
very high
97.1mm
very high
97.1mm
very high
97.1mm
very high
Mechanical Trail
90mm
90mm
90mm
90mm
Wheel Flop
33.7mm
33.7mm
33.7mm
33.7mm
Standover Height
712mm
732mm
758mm
782mm

Base Build

S
M
L
XL
Wheel Size
650B/27.5 in
584 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
Tire Outer Diameter
726.2mm
726.2mm
726.2mm
726.2mm
Bike Length with Tires
1841.2mm
1866.2mm
1888.2mm
1909.2mm

Published Sizing Recommendations

Height
4 ft 5 in
to
4 ft 8 in
to
4 ft 11 in
to
5 ft 0 in
to

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
Hardtail Trail MTB
Source:https://www.rei.com/product/106335/co-op-cycles-drt-21-bike