How to Choose Mountain Bikes
Co-op Cycles DRT 4.1 Fat-Tire Mountain Bike
$898.93Compared to $1,499.00* Save 40%
When life gives you roots, rocks, sand or snow—anything, really—you'll be thrilled that you can roll over it like it's shag carpet when you're astride the Co-op Cycles DRT 4.1 fat-tire mountain bike.
Key Details
Wheel Size
26 inches
Number of Gears
12 gear(s)
- Strong, rigid aluminum frame keeps the ride fast and saves the weight of a suspension fork—who needs it with those tires soaking up the bumps!
- Fat-tire bikes are all about floating; this one rolls on Innova 26 x 4.8 in. (!) tires that'll glide over just about anything but have low-profile knobs for speed on hardpack
- 1 x 12 drivetrain with SRAM X1 1000 Eagle™ crankset and SRAM SX Eagle 12-speed rear derailleur for swift, streamlined shifting and reduced overall weight
- Shimano hydraulic disc brakes deliver reliable stopping power on or off road and in variable weather conditions
- 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 Rigid 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 | Fat-tire |
| Bike Suspension | No Suspension |
| Fork | 6061 aluminum |
| Crankset | SRAM X1 1000 Eagle™ DUB fat 5 |
| Bottom Bracket | SRAM DUB English BSA 100mm fat |
| Shifters | SRAM SX Eagle 12-speed |
| Rear Derailleur | SRAM SX Eagle 12-speed |
| Rear Cogs | SRAM Eagle, 11-50t, 12-speed |
| Number of Gears | 12 gear(s) |
| Brake Type | Hydraulic Disc Brake |
| Brakes | Shimano Acera MT-400 hydraulic disc |
| Brake Levers | Shimano |
| Rims | 26" aluminum |
| Front Hub | 15mm thru axle |
| Rear Hub | 12mm thru axle |
| Wheel Size | 26 inches |
| Tires | Innova 26 x 4.8 in.; 60 TPI |
| Tire Width | 4.8 inches |
| Handlebar Shape | Riser Bar |
| Handlebar | Co-op Cycles alloy butted aluminum riser |
| Stem | Co-op Cycles 6061 aluminum |
| Seat Post | Co-op Cycles 6061 aluminum |
| Saddle | WTB Pure Sport |
| Pedals | Not included |
| Headset | Internal headset |
| Chain | SRAM SX Eagle |
| Weight | 39 pounds |
| 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 (172198)
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| Reach | 400 | 425 | 450 | 475 | 500 |
| Stack | 573 | 577 | 587 | 596 | 610 |
| Effective Top Tube | 564 | 591 | 618 | 646 | 675 |
| Seat Tube Center-Top | 360 | 395 | 430 | 465 | 500 |
| Standover Height | 704 | 728 | 750 | 773 | 795 |
| Head Tube Angle (degrees) | 68 | 68 | 68 | 68 | 68 |
| Seat Tube Angle (degrees) | 72 | 72 | 72 | 72 | 72 |
| Wheelbase | 1100 | 1127 | 1156 | 1185 | 1215 |
| Chainstay | 445 | 445 | 445 | 445 | 445 |
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.
