Marin Bikes
Marin Bikes

Marin Four Corners 1 Bike

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Item #: BI004824
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Marin Four Corners 1 Bike

For Commuting and Adventures

The saying that everyone needs to know is "Steel is real!" Whether you're commuting to work, going on weekend-long adventures, or you're just riding to your local coffee shop to get a latte, you'll love riding on a steel bike. The Marin Four Corners Bike is a fun, steel-framed explorer that's as comfortable on the asphalt as it is in the dirt. It has a butted 4130 Chromoly steel frame and fork that uses 650b wheels on the XS and Small frames and 700c wheels on the Medium to XL frames. The frame features numerous bottle cages/gear mounts so you can go from commuting by bike to bikepacking with ease. The frame also features wide tire clearance for up to 50mm wide tires and is stealth dropper post compatible.

This version of the Marin Four Corners comes with a Shimano Sora 3x9-speed drivetrain. With a 30/39/50 gear range up front and an 11-34T gear range on the rear, you'll have no issues climbing or navigating through roads less traveled. Tektro Spyre-C Road mechanical disc brakes provide reliable stopping power so you can descend under control. With the Marin aluminum double-wall rims and Vee Tire Co. GPVee Tires, you'll have ample traction to ride off-road and will have low rolling resistance on the pavement.

Features

  • 4130 Chromoly steel frame with numerous bottle cage/gear mounts, rack and fender mounts, and stealth dropper routing
  • Shimano Sora 3x9-speed drivetrain performs well in various riding conditions
  • Tektro Spyre-C Road mechanical disc brakes provide reliable stopping power
  • Marin aluminum double-wall rims paired with Vee Tire Co. GPVee Tires
  • Wide tire clearance for up to 50mm-wide tires
SPECIFICATIONS
Frame Series 1 CrMo, Size-Specific Wheels (XS/S:650b, M/L/XL:700c)
Fork Series 1 CrMo, Fender/Rack/Bottle Cage Eyelets
Headset FSA No.8D, Sealed Cartridge Bearings
Shifters Shimano Sora ST300, 3x9-Speed
Front Derailleur Shimano Sora
Rear Derailleur Shimano Sora 9-Speed
Crankset Shimano Sora FC3030, 30/39/50T
Bottom Bracket Shimano
Chain KMC X9
Cassette Shimano HG200, 11-34T
Brakes Tektro Spyre-C Road Mechanical Disc, 160mm Rotors
Wheelset Marin Aluminum Double-Wall Rims, Forged Aluminum Alloy 32H Hubs
Tires Vee Tire Co. GPVee 700/650x40mm
Handlebar Marin Butted Alloy, Compact 16° Flare Drop
Stem Marin 3D Forged Alloy
Grips/Bar Tape Marin Comfort Bar Tape, Shock Absorbing Gel Pads
Seatpost Marin Alloy 27.2mm
Seatclamp Bolt-Type
Saddle Marin MTB
Intended Use Commuter, Bikepacking, Gravel

Note: Components are subject to change without notice.

Geo Chart Image

 

Marin Four Corners
Size Extra Small Small Medium Large Extra Large
A: Seat Tube Length 381 422 462 495 528
B: Effective Top Tube 532 553 586 617 647
C: Stack 560 580 618 648 679
D: Reach 376 381 403 412 426
E: BB Height 291 291 288 288 288
F: BB Drop 53 53 72 72 72
G: Head Tube Length 167 188 188 209 252
H: Head Tube Angle 70 ° 70 ° 71 ° 71 ° 71 °
I: Seat Tube Angle 74.5 ° 73.5 ° 73.5 ° 72.5 ° 72 °
J: Standover Height 668 707 745 777 810
K: Chainstay Length 432 432 450 450 450
L: Wheelbase 1035 1047 1087 1107 1132
Crank Arm Length 170 mm 170 mm 175 mm 175 mm 175 mm
Stem Length 70 mm 70 mm 70 mm 70 mm 70 mm
Handlebar Width 400 mm 400 mm 420 mm 420 mm 440 mm
Suggested Rider Height
Frame Size Extra Small Small Medium Large Extra Large
Rider Height 4'11" - 5'3" 5'2" - 5'6" 5'6" - 5'10" 5'10" - 6'1" 6'1" - 6'4"
Marin Four Corners
Size Extra Small Small Medium Large Extra Large
A: Seat Tube Length 15.0 16.6 18.2 19.5 20.8
B: Effective Top Tube 20.9 21.8 23.1 24.3 25.5
C: Stack 22.0 22.8 24.3 25.5 26.7
D: Reach 14.8 15.0 15.9 16.2 16.8
E: BB Height 11.5 11.5 11.3 11.3 11.3
F: BB Drop 2.1 2.1 2.8 2.8 2.8
G: Head Tube Length 6.6 7.4 7.4 8.2 9.9
H: Head Tube Angle 70.0 ° 70.0 ° 71.0 ° 71.0 ° 71.0 °
I: Seat Tube Angle 74.5 ° 73.5 ° 73.5 ° 72.5 ° 72.0 °
J: Standover Height 26.3 27.8 29.3 30.6 31.9
K: Chainstay Length 17.0 17.0 17.7 17.7 17.7
L: Wheelbase 40.7 41.2 42.8 43.6 44.6
Crank Arm Length 170 mm 170 mm 175 mm 175 mm 175 mm
Stem Length 70 mm 70 mm 70 mm 70 mm 70 mm
Handlebar Width 400 mm 400 mm 420 mm 420 mm 440 mm
Suggested Rider Height
Frame Size Extra Small Small Medium Large Extra Large
Rider Height 4'11" - 5'3" 5'2" - 5'6" 5'6" - 5'10" 5'10" - 6'1" 6'1" - 6'4"

CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP") Lead, which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

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