2020 REI Coop DRT 3.1 Base
- Category
- Full-suspension Trail MTB
- 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 ScaleCategory Trend
Full-suspension Trail MTBSource:https://www.rei.com/product/180587/co-op-cycles-drt-31-bike