2017 REI Coop DRT 2.1 Base S

Build

650B/27.5 in × 2.8 in

Insights

Somewhat aggressive stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of REI Coop DRT 2.1

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
590mm
Reach
416mm
Stack to Reach Ratio
1.42:1
Seat Tube Length, C-T
375mm
Top Tube Length, Effective/Horizontal HT Top
585mm
Top Tube Slope
23.8deg
Head Tube Angle
68deg
Seat Tube Angle
73deg
Head Tube Length
100mm
Chainstay Length
435mm
Wheelbase
1115mm
Fork Offset/Rake
46mm
Trail
97.1mm
very high
Mechanical Trail
90mm
Wheel Flop
33.7mm
Standover Height
712mm
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
2.8in
Tire Outer Diameter
726.2mm
Bike Length with Tires
1841.2mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
120mm
Suspension Sag
25%
Frame Material
Aluminum
Fork Material
Unknown
Brake Type
Disc

Published Sizing Recommendations

Height
4 ft 5 in
to
Source:https://www.rei.com/product/106335/co-op-cycles-drt-21-bike