2020 REI Coop DRT 3.1 Base S
Build
26 in × 2.8 in
Insights
Very aggressive stack and reach vs trend of full-suspension trail mtb bikes
Design deviates from other sizes of REI Coop DRT 3.1
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 560mm |
| Reach | 425mm |
| Stack to Reach Ratio | 1.32:1 |
| Seat Tube Length, C-T | 395mm |
| Top Tube Length, Effective/Horizontal Center | 575mm |
| Top Tube Slope | 18.7deg |
| Head Tube Angle | 66deg |
| Seat Tube Angle | 75deg |
| Bottom Bracket Drop | 160.6mm |
| Bottom Bracket Height | 190mm |
| Chainstay Length | 433.5mm |
| Chainstay Length Horizontal | 402.7mm |
| Front-Center | 764.4mm |
| Front-Center Horizontal | 747.4mm |
| Wheelbase | 1150mm |
| Fork Offset/Rake | 46mm |
| Trail | 105.8mm very high |
| Mechanical Trail | 96.6mm |
| Wheel Flop | 39.3mm |
| Standover Height | 763mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 243.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 20mm |
Base Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 2.8in |
| Tire Outer Diameter | 701.2mm |
| Bike Length with Tires | 1851.2mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 140mm |
| Rear Travel | 130mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 3 in to 5 ft 6 in |
Source:https://www.rei.com/product/180587/co-op-cycles-drt-31-bike