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The Four Corners series is perfectly suitedto todays commute and tomorrows touring adventures.
The Four Corners series is perfectly suitedto todays commute and tomorrows touring adventures.
Marin

Marin Four Corners Gravel Bike 2025 in Black

£999.00
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Marin Four Corners Gravel Bike 2025 in Turquoise Blue
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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When you purchase this item, you will earn of rewards points to spend on your next purchase from us. You can spend your Rewards balance in-store & online.

Hassle free returns

Any item, except food, face masks or e-gift vouchers (full e-gift vouchers T&Cs are listed on the respective product pages) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase. It is recommended that you use a recorded delivery service to ensure your items are received by us. We cannot assume responsibility for items that are lost in the post.

Online or in-store purchases can both be returned to any store free of charge or can be returned by post after completing the online returns form. If you are returning an item due to a fault, we will refund your postage.

If you wish to return your bike to us, please keep the box it arrived in and let us know using the returns form and we will arrange collection.


Customer Returns Form

If you wish to cancel, return or exchange an order please fill in the form below. Returns can be processed quicker if all required information is added.



Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the products have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:

1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £24.99 for collection. If you do not have the original box, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid receipt.

Marin Four Corners Gravel Bike 2025 in Black

Season:2025

Brand:Marin

Code:7376810BLK

Midweek commute, weekend adventures. No problem for the marin four corners, our steel-framed explorer thats as comfortable on the asphalt as it is in the dirt. A butted 4130 crmo steel frame and fork are designed to be comfortable on rough roads but to also handle fully loaded touring and bikepacking. Weve included six bottle mounts, rack and fender eyelets, lowrider fork mounts, generous tire clearance and disc brakes to set you up for all conditions and all terrain. Don't be fooled, that classic frame material doesnt mean low-tech. Marin have used biometric fit data to offer five different frame sizes, with size-matched 650b or 700c wheels to perfectly suit riders between 4'11" 6'4".
A high front-end creates all-day comfort and heads-up visibility, off-road-ready geometry means you wont skip a beat when you head off the asphalt and explore beyond road. 40mm wide multi-surface Vee gp tires are up for wherever your adventures take you, while shimano's supremely reliable Sora 3x9 drivetrain ensures that you'll always have the right gear ratio. Finally, Tektro spyre-c mechanical disc brakes deliver controlled braking, even when riding fully loaded.

Key Features & Benefits

  • CroMo Steel Frame:With disc brakes, full fender and rack mounts, Forkleg bottle or accessory cage mounts on the base Four Corners, along with traditional front triangle bottle mounts (three on sizes M-XL, two on XS-S) provide up to six bottle cage mounts total.
  • Powerful Disc brakes:For minimal maintenance and all-conditions stopping power.
  • Adventure ready:For proper fit and bike handling sizes XS and S use 650B wheels, sizes M, L, and XL use 700C.

Full Specification

  • Frame:Series 1 CrMo, Size-Specific Wheels (XS, S = 650B, 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
  • Number of Gears:27
  • Gear Shifters:Shimano Sora 3x9-Speed
  • Chainset:Shimano Sora Hollowtech II, 50/39/30T
  • Chainrings:50/39/30T
  • Rear Cassette:Shimano HG200 9-Speed, 11-34T
  • Chain:KMC X9
  • Front Derailleur:Shimano Sora
  • Rear Derailleur:Shimano Sora 9-Speed
  • Bottom Bracket:Sealed Cartridge Bearings, Square Taper
  • Pedals:Trekking Platform
  • Rims:Marin, Aluminum Double Wall, 25mm Inner, Disc Specific
  • Front Hub:Forged Aluminum Alloy, Disc, 32H
  • Rear Hub:Forged Aluminum Alloy, Disc, 32H
  • Front Tyre:Vee Tire Co., GPVee, 700/650x40
  • Rear Tyre:Vee Tire Co., GPVee, 700/650x40
  • Brakes:Tektro Spyre-C Road Mechanical Disc, 160mm Rotor
  • Handlebar Grips/Tape:Marin Comfort Bar Tape, Shock Absorbing Gel Pads
  • Handlebar:Marin Butted Alloy, Compact 12º Flared Drop
  • Headset:FSA No.8D, Sealed Cartridge Bearings
  • Stem:Marin 3D Forged Alloy
  • Saddle:Marin MTB
  • Seatpost:Marin Alloy, 27.2mm
  • Weight:N/A

Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Sizing Chart for Marin Four Corners

SizeRider height range
XS (650B)4'11" - 5'3"
S (650B)5'2" - 5'6"
M (700C)5'6" - 5'10"
L (700C)5'10" - 6'1"
XL (700C)6'1" - 6'5"

Geometry Information for Marin Four Corners

XSSMLXL
560580618648679
376.7381403.3412.6426.6
70°70°71°71°71°
167188188209252
74.5°73.5°73.5°72.5°72°
381422462495528
532553586617647
291291288.5288.5288.5
53.553.5727272
432432450450450
10351047108711071132
668707745777810
4343494949
SEATPOST DIAMETER27.227.227.227.227.2
HANDLEBAR WIDTH400400420420440
STEM LENGTH7070707070
CRANK LENGTH170170175175175
All lengths in millimeters

Warranty Information for Marin:

Marin Mountain Bikes, Inc. ("Marin") warrants to the original retail purchaser ("you") that the Marin product for which you received this warranty is free from defects in material and workmanship for the periods below

FRAMES WARRANTY PERIOD (From date of purchase)
Carbon Fiber Frames and Forks: 5 Years
Rigid Frames and Forks: Lifetime
Full Suspension Frames: 5 Years
COMPLETE BICYCLE
The complete bicycle is warranted for one year (from date of purchase), including all original parts on the bicycle except tires, tubes, chains and other wear & tear items. Paint and decals are covered under this warranty.
This warranty does NOT cover suspension forks, and rear shocks on full suspension bikes. These items are covered by the suspension component manufacturer’s warranty. Please contact the suspension component manufacturer for any warranty needs.
For full warranty policy please visit marinbikes.com

Sizing Information
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