Marin Four Corners

Name: Marin Four Corners
Brand: Marin

2019 RoadGravel Manufacturer page

Last known price: $1,039

Prices shown first for United States
Suspension: Rigid
Wheels: 650b, 700c
Drivetrain: 3 × 9 30–50t / 11–34t
Gear range: 515%
Frame: Steel
Brakes: Mechanical disc

Rider height by size (cm)

Size guide

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

Components

17 of 23 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

Utilitour Double Butted CrMo, Size-Specific Wheels (XS, S = 650B, M, L, XL = 700C), New Biometric Geometry, Fender and Rack Mounts, Disc Mount Not identified

Suspension

1 part

Fork

CrMo, Fender, Rack, and Bottle Cage Eyelets, IS Disc Mount Not identified

Drivetrain

7 parts

Bottom bracket
- Shimano
Cassette
- Shimano CS-HG300 11–34t
CS-HG300
Chain
- KMC X9 9 speeds
Crankset
- Shimano Sora FC-R3030 50/39/30t
FC-R3030
Front derailleur
- Shimano Sora
Rear derailleur
- Shimano Sora RD-R3000 9 speeds
RD-R3000
Shifters
- Shimano Sora

Brakes

2 parts

Brake levers
- Shimano
Brakes
- TRP Spyre

Wheels and tires

5 parts

Front hub

Forged Aluminum Alloy, 6-Bolt Disc, 32H Not identified
Rear hub

Forged Aluminum Alloy, 6-Bolt Disc, 32H Not identified
Rims
- Marin
Spokes

14g Black Stainless Steel Not identified
Tires
- WTB Resolute

Cockpit and contact points

7 parts

Grips
- Marin
Handlebar
- Marin
Headset
- FSA
Pedals

Trekking Platform Not identified
Saddle
- WTB Volt
Seatpost
- Marin
Stem
- Marin

Sizes and geometry

5 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 403mm

Stack 617mm

Wheelbase 1081mm

Head angle 71.5°

Seat angle 73.5°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 700c wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 5 published sizes

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	376.7	381	403.3	412.6	426.6
Stackmm	560	580	617	646.3	677.6
Top tube lengthmm	532	552.8	586.1	616.4	646.8
Seat tube lengthmm	381	422	462	495	528
Head tube lengthmm	177	198	198	229	262
Head tube angle	70.5°	70.5°	71.5°	71.5°	71.5°
Seat tube angle	74.5°	73.5°	73.5°	72.5°	72°
Chainstay lengthmm	432	432	450	450	450
Wheelbasemm	1030.4	1041.8	1081	1100	1125.1
Front centermm	604	615	641	660	685
Bottom bracket dropmm	53.5	53.5	72	72	72
Bottom bracket heightmm	285	285	285	285	285
Standover heightmm	666.55	706.38	744.53	777.26	809.8
Fork rakemm	43	43	49	49	49
Trailmm	71	71	65	66	65
Stack/reach ratio	1.49	1.52	1.53	1.57	1.59
Suspension and parts
Crank lengthmm	170	170	170	175	175
Handlebar widthmm	400	400	420	440	440
Stem lengthmm	70	70	70	70	70

Not published by the manufacturer: Front travel, Rear travel, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Steel
Fork material: Steel

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 3
Smallest chainring: 30
Largest chainring: 50
Rear sprockets: 9
Smallest sprocket: 11
Largest sprocket: 34
Lowest gear: 25.6 in
Highest gear: 131.8 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Mechanical disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Tire width: 42c
Wheel material: Aluminum
Wheel size: 650b, 700c

Technical analysis

3 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Lowest gear

25.6 gear inches

This value is below the central range for this class.

Cohort: Road / Gravel Model year: 2019
Sample: 449 bicycles with this information
Coverage: 89.2% of the class

Highest gear

131.8 gear inches

This value is within the central range for this class.

Cohort: Road / Gravel Model year: 2019
Sample: 449 bicycles with this information
Coverage: 89.2% of the class

Shifting

Mechanical

65 of 503 bicycles with this information use electronic shifting.

Cohort: Road / Gravel Model year: 2019
Sample: 503 bicycles with this information
Coverage: 100.0% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 9.8 km/h
Highest gear: 50.5 km/h

Total gear range 515%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 25.6–131.8 gear inches
Class reference (p10–p90): 24.4–131.8 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Road / Gravel Model year: 2019
Lowest gear: 449 bicycles with this information, 89.2% of the class
Highest gear: 449 bicycles with this information, 89.2% of the class

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 2019 builds
Specification	This bicycle Marin Four Corners	Marin Four Corners Elite
Drivetrain
Front chainrings	3	1
Smallest chainring	30	38
Largest chainring	50	38
Rear sprockets	9	11
Smallest sprocket	11	9
Largest sprocket	34	44
Lowest gear	25.6 in	25.1 in
Highest gear	131.8 in	122.4 in
Brakes
Brake type	Mechanical disc	Hydraulic disc
Other specifications
Bottom bracket standard	Not informed	BB86/BB92