A full-suspension mountain bike designed to make trail riding a piece of cake, the Co-op Cycles DRT 3.1 is your go-to off-road rig—even if the trails are rough, rocky and wild.
- The DRT 3.1 bike's aluminum frame is built around right-sized wheels for each frame size to optimize playful handling and weight savings
- Size XS and S bikes have 27.5 x 2.4 in. wheels; size M–XL bikes have 29 x 2.4 in. wheels
- 140 mm RockShox Recon Silver RL Solo Air fork (15 x 110 mm) and 130 mm Deluxe Select R shock are paired for balanced, trail-ready capability
- 15 mm thru-axle front and 12 mm thru-axle rear Boost hubs maximize frame and wheel lateral stiffness and strength
- Full SRAM Eagle 1x12-speed drivetrain with a wide range of gears for varied trails
- Shimano MT200 hydraulic disc brakes provide precise and confident stopping power
- Tubeless-ready tires and rims help you optimize tire pressure for best performance while also minimizing flats
- XFusion Manic dropper post with remote puts on-the-fly saddle adjustments at your fingertips
- Bicycle weight limit is 300 lbs. total, including rider + all gear carried on the bike and on the rider's body
- Comes with a bell
- Pedals not included
- NOTE: Specs and images are subject to change based on component availability
Imported.
- 1 year of free adjustments (see more below)
- In-store bike assembly
- Pickup in store or curbside
- Bike experts available at 170+ bike shops
- 20% off shop services
- Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
| Best Use | Mountain Biking |
|---|---|
| Frame | Co-op Cycles 6061 aluminum |
| Mountain Bike Style | Trail |
| Bike Suspension | Full Suspension |
| Fork | RockShox Recon Silver RL Solo Air |
| Fork Travel | 140 millimeters |
| Rear Shock | RockShox Deluxe Select R |
| Crankset | SRAM SX Eagle; 32T |
| Bottom Bracket | SRAM PowerSpline; threaded |
| Shifters | SRAM SX Eagle |
| Rear Derailleur | SRAM SX Eagle long cage |
| Rear Cogs | SRAM Eagle 12-speed 11-50T |
| Number of Gears | 12 gear(s) |
| Brake Type | Hydraulic Disc Brake |
| Brakes | Shimano MT200 hydraulic |
| Brake Levers | Shimano MT200 hydraulic |
| Rims | Co-op double-wall aluminum, tubeless ready |
| Front Hub | Alloy with thru axle; 15 x 110 mm |
| Rear Hub | Alloy 12 mm thru axle |
| Wheel Size | XS: 27.5 inches S: 27.5 inches M: 29 inches L: 29 inches XL: 29 inches |
| Tires | Maxxis Recon 60 tpi tubeless ready |
| Tire Width | 2.4 inches |
| Handlebar Shape | Riser Bar |
| Handlebar | XS: Co-op Riser, 15 mm rise, 9-deg. sweep; 750 mm wide S: Co-op Riser, 15 mm rise, 9-deg. sweep; 750 mm wide M: Co-op Riser, 15 mm rise, 9-deg. sweep; 780 mm wide L: Co-op Riser, 15 mm rise, 9-deg. sweep; 780 mm wide XL: Co-op Riser, 15 mm rise, 9-deg. sweep; 780 mm wide |
| Stem | Forged aluminum 4-bolt |
| Seat Post | X Fusion Manic dropper; 170 mm travel |
| Dropper Post | Yes |
| Saddle | Co-op Steel Rail |
| Pedals | Not included |
| Headset | FSA Orbit 1-1/8 to 1-1/2 in. |
| Chain | SRAM Eagle SX, 12-speed |
| Weight | 33 lbs. 8 oz. |
| Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
| Gender | Unisex |
| Sustainability | From a Climate Neutral Certified brand |
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| Height Range | 5'0" - 5'3" | 5'3" - 5'6" | 5'6" - 5'9" | 5'9" - 6'0" | 6'0" - 6'3" |
| Reach | 400 | 425 | 450 | 475 | 500 |
| Stack | 584 | 584 | 610.5 | 628.7 | 647 |
| Effective Top Tube | 528.5 | 553.5 | 586.9 | 617.6 | 648.4 |
| Seat Tube Center-Top | 360 | 379.5 | 394.5 | 409.5 | 449.5 |
| Standover Height | 749.7 | 752.1 | 786.8 | 796.7 | 804.4 |
| Head Tube Angle (degrees) | 66 | 66 | 66 | 66 | 66 |
| Seat Tube Angle (degrees) | 77.6 | 77.6 | 77.4 | 77.2 | 77.1 |
| Wheelbase | 1125.5 | 1150.5 | 1196.6 | 1229.7 | 1262.8 |
| Chainstay | 433.4 | 433.4 | 441 | 441 | 441 |
| Fork Offset | 37 | 37 | 44 | 44 | 44 |
Sizing Notes
Measurements are stated in millimeters unless otherwise indicated.
How we measure bikes
- Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
- Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
- Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
- Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
- Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
- Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
- Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
- Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
- Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
- Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
- Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
- Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.