Muirwoods RC

2021 Marin Muirwoods RC profile.

See this bike in a different color:

  • Price: $1,159.00 (USD)*
  • Wheel Size: 650B
  • Frame: CroMo/Steel
  • Size Range: S, M, L, XL

Manufacturer’s suggested retail price may not include additional shipping or preparation charges. Please contact your local Marin dealer for a quote.




The Muirwoods and Larkspur are at home in the concrete jungle, built for jumping curbs and cutting through a park on the way to the grocery store or class. This is the classic bike shop employee commuter bike built for the everyday rider.


  • Frame

    Series 2 Double Butted CrMo w/Marin Slider Dropouts, 650B Wheels, Flat Mount Disc Brake, Fender and Rack Mounts, Rear Kickstand Mount

  • Fork

    CrMo, Fender and Rack Eyelets, IS Disc Mount

  • Rims

    Marin Aluminum Double Wall, 27mm Inner, Disc Specific

  • Hub, Rear

    Shimano Nexus 8-Speed Internally Geared Hub, Centerlock Disc, 32H

  • Hub, Front

    Forged Aluminum Alloy, Centerlock Disc, 32H

  • Spoke, Nipples

    14g Black Stainless Steel

  • Tires

    WTB Horizon, 650Bx47mm, Wire Bead

  • Derailleur, Rear


  • Derailleur, Front


  • Shift Lever

    MicroSHIFT 8-Speed Thumb Shifter

  • Crankset

    Forged Aluminum, Alloy Ring Guard, 42T

  • Bottom Bracket

    Sealed Cartridge Bearings, Square Taper

  • Chain

    KMC Z410RB w/ Anti-Corrosion Coating

  • Cassette

    Shimano Nexus Cog, 19T

  • Brake, Front

    Shimano BR-M201 Hydraulic Disc, 160mm Rotor

  • Brake, Rear

    Shimano BR-M201 Hydraulic Disc, 160mm Rotor

  • Brake Levers

    Shimano BL-M201 Hydraulic

  • Handlebar

    Marin Alloy Swept-Back City Bar, 31.8mm Clamp

  • Stem

    Marin 3D Forged Alloy

  • Grips

    Marin Locking

  • Headset

    FSA No.8D, Sealed Cartridge Bearings

  • Seatpost

    Marin Alloy, 27.2mm

  • Saddle

    Marin Beyond Road Concept

  • Pedals

    Commute Platform

  • Fender

    Custom Extruded Aluminum Alloy w/ Stainless Hardware

Specifications, pricing, and availability are subject to change without notice.


Muirwoods RC geometry diagram
Stack 538.37 556.22 574.11 594.15
Reach 390 400 425 450
Headtube Angle 70.5° 71.5° 71.5° 71.5°
Headtube Length 120 135 155 175
Seattube Angle 74.5° 73.5° 73.5° 73.5°
Seattube Length 381 432 483 521
Toptube Effective 539.3 564.76 595.24 626
BB Height 269 269 269 269
BB Drop 75 75 75 75
Chainstay 420 420 420 420
Wheelbase 1014.06 1020.7 1052.05 1083.93
Standover Height 639.67 687.36 731.84 764.8
Fork Offset 45 45 45 45
Seatpost Diameter 27.2 27.2 27.2 27.2
Handlebar Width 630 630 630 630
Stem Length 70 70 70 70
Crank Length 170 175 175 175

All lengths in millimeters



The Muirwoods uses a butted Series 1 4130 CrMo frame and fork
with 29” tires, disc brakes, full fender and rack mounts, and two
bottle bosses. The Muirwoods RC uses a double butted Series
2 CrMo rame with sliding dropouts for internally geared hub
compatibility and large volume 650B wheels and tires. Larkspur
models also feature the butted Series 2 frame with a mixte stepthru
design for easy mounting and dismounting, even with baskets
and baby seats.

Learn More
Marin Larkspur 2 rear dropout and brake mount


Hydraulic disc brakes provide smooth, controlled stopping in all
conditions with minimal maintenance.

Marin Muirwoods downtube with reflective decal


The Muirwoods features reflective frame graphics and tire
sidewalls add visibility for urban commuting.

Muirwoods RC in a brick-paved alley


The Muirwoods RC is the ultimate mountain bike based
commuter with a Series 2 CrMo frame featuring new slider
dropouts for chain tensioning, an internally geared 8-speed
Shimano Nexus hub, and 650Bx47mm “Road Plus” tires that
accelerate quickly and roll almost as fast as skinnier road tires
while eating up potholes and curbs.

You May Also Like

You’re currently viewing the Marin Bikes of United States website. Please note: Translations in progress.

Would you like to switch countries?