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2024 Co-op

DRT 3.1

A 27.5″ / 29″ aluminum frame full suspension trail bike with upper mid-range components.
Compare the full range

Manufacturer Price

$2,599
Weight33.5 lbs  
FrameAluminum
SuspensionFull, 140mm front
ForkRockShox Recon Silver RL
ShockRockShox Deluxe Select
Wheels27.5″ / 29″ Aluminum
Drivetrain1 × 12
GroupsetSX Eagle
BrakesShimano Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
DRT 3.1
Other Trail bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

25 mph

DRT 3.1

26 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full DRT model range

View Comparison
Sizing
XS

5'0" – 5'4"

SM

5'2" – 5'7"

MD

5'5" – 5'10"

LG

5'8" – 6'1"

XL

5'11" – 6'3"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
Outdoor Gear Lab
Co-op Cycles DRT 1.3

Jun 2025 · Joshua Hutchens

The Co-op DRT 1.3 is a hardtail mountain bike with modern geometry and a sensible build at an attractive price point. This REI trail bike has the design...

Highs
  • Progressive geometry

  • Solid value

  • Multiple braze-ons for versatility

Lows
  • Handlebar ergonomics

  • Short dropper post

Read Review

Geometry
Specs
Build
Frame

Co-op Cycles 6061 aluminum

BB StandardBSA, 73mm, Threaded

ColorVolcanic

Fork

RockShox Recon Silver RL Solo Air, 140 millimeters

Travel140mm

Spring TypeAir

Shock

RockShox Deluxe Select R

Bottom Bracket

SRAM PowerSpline; threaded

Headset

FSA Orbit 1-1/8 to 1-1/2 in.

Stem

Forged aluminum 4-bolt

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

Saddle

Co-op Steel Rail

Seatpost

X Fusion Manic dropper; 170 mm travel

TypeDropper

Pedals

Not included

Groupset
Rear Derailleur

SRAM SX Eagle long cage

Crank

SRAM SX Eagle; 32T

Shifters

SRAM SX Eagle

Cassette

SRAM Eagle 12-speed 11-50T

Chain

SRAM Eagle SX, 12-speed

Brakes

Shimano MT200 hydraulic Hydraulic Disc Brake

TypeShimano Hydraulic Disc

Brake Levers

Shimano MT200 hydraulic

Wheels
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

Tires

Maxxis Recon 60 tpi tubeless ready

Rider Notes
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First added July 9

Last updated February 1

Not listed for 449 days