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Marin Four Corners 1 Gravel Bike Tan/Burgundy

Marin Four Corners 1 Gravel Bike Tan/Burgundy

Brand: Marin

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Chromoly Frame/ Chromoly Fork

Mechanical Disc Brake

2 x 9 Speed

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Product Details

Description

The Marin Four Corners 1 is a versatile gravel bike designed for everything from daily commutes to multi-day bikepacking adventures. Its Series 1 4130 CrMo frame and fork provide a smooth, durable ride on asphalt and dirt, while the off-road-ready geometry ensures stability when loaded with gear. The microSHIFT Sword 2x9-speed drivetrain offers reliable shifting, and Tektro Spyre-C mechanical disc brakes deliver confident stopping power in all conditions. With size-specific wheels, generous tire clearance, and ample mounts for racks and bottles, the Four Corners 1 is ready for wherever the road—or trail—takes you.

Key Features

Durable 4130 chromoly frame and fork
microSHIFT Sword 2x9-speed drivetrain
Tektro Spyre-C mechanical disc brakes
Six bottle, rack, and fender mounts

Specifications

Product Overview

Product

Marin Four Corners 1 Gravel Bike Tan/Burgundy

Brand

Marin

Parent SKU

J5M4L9RG

Size SKUs

MD: MAAD250045001
LG: MAAD250045002
XL: MAAD250045003

Matrix Barcodes

MD: 740045001
LG: 740045002
XL: 740045003

Year Model

2024

Product Features

Frame Material

Chromoly

Frame Style

Crossbar

Colour

Brown

Brake Type

Mechanical Disc Brake

Gears

2 x 9

Fork Material

Chromoly

Build

Frame

Series 1 CrMo, Size-Specific Wheels (XS, S = 27.5, M, L, XL = 700C) , Biometric Geometry, Fender and Rack Mounts, Disc Mount

Fork

Series 1 CrMo, Fender, Rack, and Bottle Cage Eyelets, IS Disc Mount

Handlebars

Marin Butted Alloy, Compact 16º Flared Drop

Headset

FSA No.8D, Sealed Cartridge Bearings

Grips

Marin Comfort Bar Tape, Shock Absorbing Gel Pads

Stem

Marin 3D Forged Alloy

Bottom Bracket

Square Taper, Sealed Bearing

Pedals

Nylon Platform

Saddle

Marin MTB

Seat Post

Marin Alloy, 27.2mm

Wheels

Rims

Marin Aluminum, Double Wall, Disc Specific

Hubs

Rear Forged Aluminum Alloy, Disc, 32H

Tyres

Vee Tire Co., GPVee, 700/27.5x1.5

Spokes

14g Black Stainless Steel

Groupset

Crankset

Forged Aluminum, 46-29T

Chain

KMC X9

Brakes

Tektro Spyre-C Road Mechanical Disc, 160mm Rotor

Shifters

MicroSHIFT Sword Black, 2x9-Speed

Rear Derailleur

MicroSHIFT Sword Black, 9-Speed

Cassette

9 Speed

Frequently Asked Questions

What is the Marin Four Corners 1 Gravel Bike used for?

The Marin Four Corners 1 Gravel Bike is used for everything from daily commuting and weekend gravel rides to multi-day bikepacking adventures, handling both paved roads and rougher dirt tracks with ease.

Why choose the Marin Four Corners 1 Gravel Bike?

Choose the Marin Four Corners 1 Gravel Bike for its durable 4130 chromoly frame and fork, versatile mounting options, size-specific wheels, and reliable microSHIFT drivetrain paired with mechanical disc brakes—built to be practical, comfortable, and capable on varied routes.

Who is the Marin Four Corners 1 Gravel Bike designed for?

The Marin Four Corners 1 Gravel Bike is designed for riders who want a do-it-all bike—commuters, gravel enthusiasts, and bikepackers who need durability, gear-carrying capacity, and confidence-inspiring handling.

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PERFECT RIDE GUARANTEE

If you don't love it, you can swap it, up to 30 days from purchase!* Learn more »

FREE BIKE BUILD

We'll build your bike for free when you click and collect at any 99 Bikes store.

FIRST FREE TUNE-UP

Every bike comes with a complimentary free tune-up and safety check. Learn more »

Durable Chromoly Frame & Fork

Series 1 4130 CrMo chassis and fork deliver a smooth, resilient ride that stands up to daily use and loaded touring. The steel construction soaks up vibration for comfort on long miles.

Adventure-Ready Mounts & Tire Clearance

Multiple rack, fender, and six-bottle mounts plus generous tire clearance make it easy to carry gear and adapt to mixed surfaces. Size-specific wheels optimize handling whether you choose 27.5" or 700C.

Dependable Shifting and Braking

microSHIFT Sword 2x9 drivetrain provides wide gearing and reliable shifts for varied terrain. Tektro Spyre-C mechanical disc brakes offer consistent stopping power in wet or dry conditions.

Not sure what sized bike is best?

Answer a few short questions and we'll make a recommendation on which size is best for you.

Your selected size: -

Legend

Available size

Current size

Unavailable size

Suggested sizing

Stack

618

648

679

Reach

403

413

427

Top Tube Length

586

617

647

Seat Tube Length

462

495

528

Seat Tube Angle

73.5

72.5

72.0

Fork Length

Head Tube Length

188

209

252

Head Tube Angle

188.0

209.0

252.0

Handlebar Height

Bottom Bracket Drop

Chainstay Length

Wheelbase

Standover Height

745

777

810

Minimum Seat Height

Maximum Seat Height

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