How to Choose Mountain Bikes
Co-op Cycles DRT 3.1 Bike
$1,678.93Compared to $2,399.00*Save 30%
An update of our first full-suspension bike, the Co-op Cycles DRT 3.1 is designed to make trail riding a piece of cake—even if the trail is rough, rocky and wild as an acre of snakes.
Key Details
Wheel Size
S: 26 inches
Fork Travel
S: 120 millimeters
Number of Gears
12 gear(s)
- Drivetrain has been upgraded to 1 x 12-speed compared to the previous 1 x 10-speed
- Air-sprung RockShox Recon Gold RL front suspension and RockShox Monarch R Solo Air rear both have external rebound adjust to keep the ride smooth and wheels glued to the trail
- Size XS, S bikes have 26 x 2.8 in. wheels and 120 mm of travel front and rear; size M–XL bikes have 27.5 x 2.8 in. wheels, 140 mm of front travel and 130 mm of rear travel
- 1 x 12-speed drivetrain with Shimano Deore rear derailleur eliminates the front derailleur to enable swift, streamlined shifting and reduce overall weight
- Shimano Deore Shadow+ clutch-style rear derailleur decreases chain slap and makes shifts more reliable
- Comes outfitted with a remote-control X-Fusion Manic dropper seatpost to let you adjust to terrain on the fly (XS–M frames allow 100 mm of travel; L, XL frames allow 150 mm)
- Tektro hydraulic disc brakes deliver reliable stopping power on- or off-road and in variable weather conditions
- Tires and rims are ready for tubeless setup
- Front and rear thru axles provide added rigidity
- Bicycle weight limit is 300 lbs. total, including rider plus all gear carried on the bike and on the rider's body
- Pedals not included
- NOTE: Specs and images are subject to change based on component availability
Imported.
This bike comes with Coast to Coast Support, which includes:
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.
View the Co-op Cycles DRT Product LineView all Co-op Cycles Full-Suspension Mountain Bikes- 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 Gold RL |
| Fork Travel | S: 120 millimeters |
| Rear Shock | RockShox Monarch R Solo Air |
| Crankset | Shimano Deore 1X 32T |
| Bottom Bracket | Shimano |
| Shifters | Shimano Deore, 12-speed, Rapidfire Plus |
| Rear Derailleur | Shimano Deore Shadow + |
| Rear Cogs | Shimano 12-speed 10-51T |
| Number of Gears | 12 gear(s) |
| Brake Type | Hydraulic Disc Brake |
| Brakes | Tektro Auriga hydraulic disc |
| Brake Levers | Tektro |
| Rims | S: ST i35 TCS 2.0 26 in. |
| Front Hub | Shimano Alivio 15mm thru-axle |
| Rear Hub | Shimano Alivio 12mm thru-axle |
| Wheel Size | S: 26 inches |
| Tires | S: Maxxis Recon 26 x 2.8 in. |
| Tire Width | 2.8 inches |
| Handlebar Shape | Riser Bar |
| Handlebar | Co-op double butted aluminum riser |
| Stem | Co-op Cycles 6061 aluminum |
| Seat Post | X-fusion Manic dropper with remote; 100 mm/150 mm |
| Dropper Post | Yes |
| Saddle | WTB |
| Pedals | Not included |
| Headset | Internal headset |
| Chain | Shimano Super Narrow, 12-speed |
| Weight | Unavailable |
| Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
| Gender | Unisex |
| Sustainability | From a Climate Label Certified brand |
Co-op Cycles Bikes (180587)
| 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 | 400.0 | 425.0 | 450.0 | 475.0 | 500.0 |
| Stack | 560.0 | 560.0 | 0.0 | 608.0 | 627.0 |
| Effective Top Tube | 550.0 | 575.0 | 608.0 | 640.0 | 672.0 |
| Seat Tube Center-Top | 360.0 | 395.0 | 430.0 | 465.0 | 500.0 |
| Standover Height | 761.0 | 763.0 | 781.0 | 795.0 | 799.0 |
| Head Tube Angle (degrees) | 66.0 | 66.0 | 67.0 | 67.0 | 67.0 |
| Seat Tube Angle (degrees) | 75.0 | 75.0 | 75.0 | 75.0 | 75.0 |
| Bottom Bracket Height | 19.0 | 19.0 | 25.0 | 25.0 | 25.0 |
| Wheelbase | 1125.0 | 1150.0 | 1181.0 | 1214.0 | 1246.0 |
| Chainstay | 433.5 | 433.5 | 441.0 | 441.0 | 441.0 |
| Fork Offset | 46.0 | 46.0 | 46.0 |
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.
Buying Advice
Better gear is built together
From feedback to field testing, all of our gear is dialed-in by REI Co-op members. Their adventures informed every stitch and detail—making for better, longer-lasting gear.
