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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.

Color: Pirate Black
Size: XS
Fits slightly large based on reviews
Quantity
Heads up! Bikes usually take 1-2 additional days to assemble but can take longer during busy periods. We'll email you when yours is ready.

Members get an estimated $149.49 (10%) back on this item as a part of your annual .

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Features

  • Air-sprung RockShox Sektor 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 wheels and 120mm of front and rear travel; size M-XL bikes have 27.5+ x 2.8 wheels and 140mm of front travel and 130mm of rear travel
  • 1 x 10 drivetrain with Shimano Deore rear derailleur eliminates the front derailleur to enable swift, streamlined shifting and reduce overall weight
  • Shimano Deore Shadow Plus 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 100mm of travel; L-XL frames allow 150mm)
  • Tektro hydraulic disc brakes deliver reliable stopping power on or off-road and in variable weather conditions
  • Tires and rims are ready for a tubeless tire setup
  • Front and rear thru-axles provide added rigidity
  • Bicycle weight limit is 300 lbs. total, including rider + 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:
  • 1 year of free adjustments (see more below)
  • In-store bike assembly
  • Pickup in store or curbside
  • Bike experts available at 170+ bike shops
REI Co-op Members get more:
  • 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)
More about our free adjustments:
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

Technical Specs

Best Use

Mountain Biking

Mountain Bike Style

Trail

Frame

Co-op Cycles 6061 aluminum

Bike Suspension

Full Suspension

Fork

XS: RockShox Sektor RL

Fork Travel

XS: 120 millimeters

Rear Shock

RockShox Monarch R Solo Air

Crankset

FSA Gamma Pro 1X MegaExo

Bottom Bracket

FSA MegaExo

Shifters

Shimano Deore, 10-speed, Rapidfire Plus

Front Derailleur

N/A

Rear Derailleur

Shimano Deore Shadow +

Rear Cogs

Shimano 10-speed 11-42T

Number of Gears

10

Brake Type

Hydraulic Disc Brake

Brakes

Tektro Auriga hydraulic disc

Brake Levers

Tektro

Rims

XS: WTB ST i40 TCS 2.0; 26",

Front Hub

Shimano Alivio with thru-axle

Rear Hub

Shimano Alivio 12mm thru-axle

Wheel Size

XS: 26 inches

Tires

XS: WTB RANGER, 26+ X 2.8

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; 100mm/150mm

Saddle

WTB Volt Sport

Pedals

Sold separately

Headset

Internal headset

Chain

Shimano Super Narrow, 10-speed

Dropper Post

Yes

Weight

Unavailable

Gender

Unisex

Sustainability

From a Climate Label Certified brand

Additional Information

Size Chart

Co-op Cycles Bikes (142875, 142876)
XSSMLXL
Height Range5'0" - 5'3"5'3" - 5'6"5'6" - 5'9"5'9" - 6'0"6'0" - 6'3"
Reach400425450475500
Stack560560590608627
Effective Top Tube550575608640672
Seat Tube Center-Top360395430465500
Standover Height761763781795799
Head Tube Angle (degrees)6666676767
Seat Tube Angle (degrees)7575757575
Wheelbase1124115011811213.91246.7
Chainstay433433441441441
Fork Offset4646464646

Sizing Notes

Measurements are stated in millimeters unless otherwise indicated.

How we measure bikes

  1. 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.
  2. Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
  3. 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.
  4. 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.
  5. 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.
  6. Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
  7. Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
  8. Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
  9. Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
  10. Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
  11. Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
  12. 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.

Reviews

17 reviews with an average rating of 4.4 out of 5 stars

90% 9 of 10 reviewers recommended

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Average Overall Fit Rating

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Customer Images

Most Helpful Favorable Review

24 people found this review helpful
5 reviews with an average rating of 5.0 out of 5 stars
7 years ago
Rides great! Love the Geometry and fat tires.
REI seemed to crank another more than decent MTB under the new co-op brand. The geometry follows today’s trends and just riding the around, it pretty solid. I couldn’t find any info on these WTB RSi40 rims, but I’m kinda liking the 2.8 wheels on a 27.5. I also got the wheels converted to tubeless for free in the store (although I did have to buy valve stems and sealant). I don’t have a lot of ride time yet but thought I’d write something since I can’t find any reviews of this bike online.
Jordan3665
CA

Most Helpful Critical Review

16 people found this review helpful
5 reviews with an average rating of 1.0 out of 5 stars
7 years ago
Poor assembly; poor customer service
I was excited to pick this up, drive from over 3 hours away as there are no reputable bike shops near me. When they wheeled it out I was thrilled. After advising I should purchase a pump for the air suspension, I had a simple question for the person at the bike shop desk. “I don’t know. I’m not a mountain biker.” Was how it was answered, with no follow up. Not exactly what I expected from an REI employee. Fast forward a month and about 8 hours of trail later, the bike is almost unusable. What may be a problem with the chain is causing slippage and near constant missed shifts. Brake caliper bolts were found to be loose, judging by loctite on the threads, it seems they were never torqued or even tightened. There is creaking coming from what may be the bottom bracket and excessive side to side play in the rear wheel. I still hope to get this bike dialed in and am disappointed I need to set aside a day to bring it back and get the chain issue taken care of, just to be able to get enough time on it to make a review of the actual product, as I suspect properly assembled it would rate a 4/5.
Plantparenthood
Steve
Location:San Ramon
Rated 4.0 out of 5 stars
7 years ago

Great bike to upgrade

I've ridden bikes for years, however not so much Full Suspension trail bikes. I liked this bike simply because of the frame and color. It comes equipped with everything you need to hit the trails. I recently took out the stock tires and added Maxxis DHR II and DHF (Tubeless) just by doing that the bike traction has been great. I've had the bike for over a month and absolutely love it. With that said I would give it a 3.5/5 just because it's more of a bike to upgrade with rather than sticking with the stocked parts. My chain got stiff links just within a couple weeks. Front and rear shocks are just fine.

Jordan3665
Location:CA
Rated 5.0 out of 5 stars
7 years ago

Rides great! Love the Geometry and fat tires.

REI seemed to crank another more than decent MTB under the new co-op brand. The geometry follows today’s trends and just riding the around, it pretty solid. I couldn’t find any info on these WTB RSi40 rims, but I’m kinda liking the 2.8 wheels on a 27.5. I also got the wheels converted to tubeless for free in the store (although I did have to buy valve stems and sealant). I don’t have a lot of ride time yet but thought I’d write something since I can’t find any reviews of this bike online.

Alexander
Location:Florida
Rated 5.0 out of 5 stars
6 years ago

Solid Bike for the Price

Extremely smooth and solid bike, other users complaining about shock noise have the rebound adjust on (turtle) which is obviously slow which causes the air to move slower through the internal valve of the shock causing noise. When set on (rabbit) the shocks are quiet and smooth. Frame is very comfortable with a drastic rake aft. With the clutch engaged the drivetrain is quiet over obstacles. Overall it is a great bike for the price. This is my second REI Co-Op bike, always love there sophisticated color schemes --- Thanks for making good looking Bikes REI!

Billy121
Location:Tucson, AZ
Age:35–44
Weight:150–175 lbs.
Height:6'2"
Experience Level:Experienced
Riding Frequency:Multiple times per week
Rated 4.0 out of 5 stars
6 years ago

Solid Bike

I waited a couple of months after getting this bike to ride it a bunch and then review it. This is a good, solid full suspension trail bike. Remember, it's a trail bike, not a XC race bike or downhill race bike. It's a fantastic bike if you're a beginner or casual rider. Run it straight out of box (convert to tubeless, though) and it'll work just fine for a long time. Make upgrades as parts wear out. It comes stock with a better fork than most bikes in it's price range, especially if you purchase on sale below $1900. Experienced riders will probably want a better shock, brakes, and more gear range.

Age:35–44
Weight:150–175 lbs.
Height:6'2"
Experience Level:Experienced
Riding Frequency:Multiple times per week

Overall Fit Rating

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Chaz
Location:Atlanta
Age:25–34
Weight:125–150 lbs.
Inseam:32"
Height:5'6"
Experience Level:Beginner
Riding Frequency:A few times per month
Rated 5.0 out of 5 stars
5 years ago

Absolutely Amazing bike for people on a budget

Hands down the best entry level bike you can buy. With REIs amazing return policy and 1 free tune up you have the peace of mind knowing that if MTB isn’t for you, you don’t need to commit thousands of Dollars to it. The bike holds up to the best of them in the mid travel trail bike category. Good components, and quality frame. Depending on your terrain the tires may need to be replaced for something more beefy. Is it the best bike out there? Of course not! But for the price and the return policy there’s no better deal for a new mountain bike rider or someone looking to get a full suspension. This is the bike that I recommend to anyone looking to get their first MTB

Age:25–34
Weight:125–150 lbs.
Inseam:32"
Height:5'6"
Experience Level:Beginner
Riding Frequency:A few times per month

Overall Fit Rating

Runs SmallRuns Large
Eeebee
Location:Colorado
Weight:125–150 lbs.
Inseam:34"
Height:5'8"
Rated 5.0 out of 5 stars
6 years ago

Another great REI product

I am a beginner, granted, but this is a great bike that has enough bells and whistles that I can keep up with a group of intermediate riders. I love this bike! I have been on about 10 rides in a month and it is going strong (and I had enough money to buy a co-op bike for my daughter). I trialed several more expensive bikes and saw no or very little difference.

Weight:125–150 lbs.
Inseam:34"
Height:5'8"

Overall Fit Rating

Runs SmallRuns Large
Josh
Location:Atlanta
Rated 4.0 out of 5 stars
7 years ago

Good Bike BUT had to swap it

First, the bike is great. But the first one I bought started making a creaking/squeaking sound within the first 20 minutes on the very first ride (I bought it and then immediately went riding). I brought it to the store and the bike shop mechanics were awesome and completely went through the bike and tried different remedies to fix the annoying creaking sound. After another ride and still having to listen to the creaking I had to swap that particular bike for another one of the same model. After 30+ miles on the new bike, no creaking. After reading some of the other reviews, it "sounds" like this model has a noise issue. So be warned/prepared. The bike has been the best bike I have ever owned and the riding has been the best ever with this bike. I can blast up and down hills that I couldn't with my hardtail. I love the gearing and the shifters are great. It gets 4/5 due to the fact that the bike had some small issues that couldn't get worked out combined with the fact that others are having similar issues.

Plantparenthood
Rated 1.0 out of 5 stars
7 years ago

Poor assembly; poor customer service

I was excited to pick this up, drive from over 3 hours away as there are no reputable bike shops near me. When they wheeled it out I was thrilled. After advising I should purchase a pump for the air suspension, I had a simple question for the person at the bike shop desk. “I don’t know. I’m not a mountain biker.” Was how it was answered, with no follow up. Not exactly what I expected from an REI employee. Fast forward a month and about 8 hours of trail later, the bike is almost unusable. What may be a problem with the chain is causing slippage and near constant missed shifts. Brake caliper bolts were found to be loose, judging by loctite on the threads, it seems they were never torqued or even tightened. There is creaking coming from what may be the bottom bracket and excessive side to side play in the rear wheel. I still hope to get this bike dialed in and am disappointed I need to set aside a day to bring it back and get the chain issue taken care of, just to be able to get enough time on it to make a review of the actual product, as I suspect properly assembled it would rate a 4/5.

CoolBikerDudeMan
Rated 3.0 out of 5 stars
7 years ago

Good base for upgrades

Overall handling is very good and especially shines when going downhill. Lots of climbing traction but a bit on the heavy side. Handlebar is narrower (740) than I'm used to (780) which in theory should make riding through tight trees.easier, but in practice the longer bar is easier to control anyway so it's easier to lean the bike to fit through. The gear range is quite limited with only 28 front and 11-42 in the back. The brakes would probably be the first to get upgraded. Nowhere near the 1-finger ease and strong bite of the XT brakes I have on my older bike. The rear shock's metal valve sticks out just enough where you can hit your knee or thigh on it on dismounts. I have already scratched my thigh on it on the first ride. The metal is pretty sharp and is also a problem on the 3.2 bike which is basically the same frame. My son has also cut his knee on the shock valve of his 3.2. The front fork makes a loud squishing sound on quick decompression which you will hear when lifting up the front wheel to ride over logs for example. Not really that bothersome amidst all the sounds of riding on the trail. At least the tires roll relatively quietly. The cable routing with the big hanging loop under the bottom bracket looks like it could snag on rocks or logs. Haven't been a problem so far but the cables do catch a lot of mud and dirt. This is the same frame (and tires and rear shock and seatpost and seat and handlebars) as the 3.2 bike. It has modern frame geometry that would be a good base for upgrades. If you're thinking of upgrading to better than the 3.2 spec or you just like the grey/black color better, this would be the better option. If you don't have upgrade plans, the 3.2 bike would be the better choice. I think the price difference easily justifies the much better fork, and the better gearing and brakes.

PowderHound AK
Location:Anchorage, AK
Rated 3.0 out of 5 stars
7 years ago

Enjoyed but returned...

Really fun bike, unfortunately the front shock has an extremely loud decompression noise. (Long unsquishing sound) This sound is non-stop thru roots. Friendly REI bike shop tried to remedy, elevated to the senior tech who finally decided it was a 'Normal' shock noise. Just too loud, well the shock and your buddies laughing at you! With the rest of the bike was really great, sad to return.

1 - 10 of 17 Reviews

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        member informed certification and 100% satisfaction guarantee