Co-op DRT 4.1 Fat-Tire

2024 MountainFat bike Manufacturer page

Last known price: $1,499

Prices shown first for United States
Suspension: Rigid
Wheels: 26″
Drivetrain: 1 × 12 11–50t
Gear range: 455%
Weight: 17.69 kg 39.0 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

XS 156–166
SM 163–174
MD 171–182
LG 179–189
XL 185–195

Components

13 of 20 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Co-op Cycles 6061 aluminum Not identified

Suspension

1 part

Fork

6061 aluminum Not identified

Drivetrain

6 parts

Brakes

2 parts

Brake levers
- Shimano
Brakes
- Shimano BR-MT400
BR-MT400MT-400

Wheels and tires

4 parts

Front hub

15mm thru axle Not identified
Rear hub

12mm thru axle Not identified
Rims

26" aluminum Not identified
Tires
- Innova

Cockpit and contact points

6 parts

Handlebar
- Co-op Cycles
Headset

Internal headset Not identified
Pedals

Not included Not identified
Saddle
- WTB Pure
Seatpost
- Co-op Cycles
Stem
- Co-op Cycles

Sizes and geometry

5 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Geometry diagram unavailable

The drawing needs head tube length and bottom bracket drop / Bottom bracket height, which the manufacturer did not publish. Available facts remain in the table.

Size Reported by the manufacturer

Complete manufacturer geometry table 5 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	400	425	450	475	500
Stackmm	573	577	587	596	610
Top tube lengthmm	564	591	618	646	675
Seat tube lengthmm	360	395	430	465	500
Head tube angle	68°	68°	68°	68°	68°
Seat tube angle	72°	72°	72°	72°	72°
Chainstay lengthmm	445	445	445	445	445
Wheelbasemm	1100	1127	1156	1185	1215
Standover heightmm	704	728	750	773	795
Stack/reach ratio	1.43	1.36	1.30	1.26	1.22

Not published by the manufacturer: Head tube length, Front center, Bottom bracket drop, Bottom bracket height, Fork rake, Trail, Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Fork material: Aluminum
Bicycle weight: 17.69 kg

39.0 lb

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 1
Rear sprockets: 12
Smallest sprocket: 11
Largest sprocket: 50

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Tire width: 4.8″
Wheel material: Aluminum
Wheel size: 26″

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2024 builds
Specification	This bicycle Co-op DRT 4.1 Fat-Tire	Co-op DRT 1.0	Co-op DRT 1.1	Co-op DRT 1.2	Co-op DRT 1.3	Co-op DRT 3.1
Frame
Fork material	Aluminum	Not informed	Not informed	Not informed	Not informed	Not informed
Bicycle weight	17.69 kg	14.06 kg	Not informed	Not informed	Not informed	15.2 kg
Suspension
Suspension configuration	Rigid	Hardtail	Hardtail	Hardtail	Hardtail	Full suspension
Front travel	Not informed	100 mm	100 mm	120 mm	120 mm	140 mm
Drivetrain
Front chainrings	1	3	2	1	1	1
Rear sprockets	12	7	8	10	12	12
Smallest sprocket	11	12	11	11	10	11
Largest sprocket	50	32	34	48	51	50
Smallest chainring	Not informed	24	22	32	32	32
Largest chainring	Not informed	42	36	32	32	32
Lowest gear	Not informed	19.5 in	18.8 in	19.3 in	18.2 in	18.6 in
Highest gear	Not informed	91.0 in	94.9 in	84.4 in	92.8 in	84.4 in
Cockpit
Seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost	Dropper seatpost	Dropper seatpost
Other specifications
Bottom bracket standard	BSA	Not informed	Not informed	Not informed	Not informed	BSA
Suspension	Rigid	Hardtail	Hardtail	Hardtail	Hardtail	Full suspension
Tire width	4.8″	2.1″	Not informed	2.6″	Not informed	Not informed
Wheel size	26″	26″	27.5″ / 29″	27.5″ / 29″	27.5″ / 29″	27.5″ / 29″
Fork spring	Not informed	Not informed	Coil	Coil	Air	Air