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Bolinas Ridge 2

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MY21 Bolinas 2 NZ P Final 2920w

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  • Price: $779.00*
  • Wheel Size: 29", 27.5"
  • Frame: Aluminum
  • Size Range: XS, 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.

RECREATIONAL MOUNTAIN BIKING

ENTRY-LEVEL RIDERS

FITNESS DIRT ROAD RIDING

The Bolinas Ridge is perfectly suited for recreational riders wishing to explore singletrack and dirt trails with a mountain bike built for real trails, with trail capable suspension forks and all-conditions disc brakes.

Key upgrades over the Bolinas Ridge 1:

  • Shimano Altus 3x8 drivetrain
  • SR Suntour XCM DS fork
  • Tektro hydraulic disc brakes

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Specifications

  • Frame

    Series 1 6061 Aluminum, 27.5”/29" Wheels, Low Standover, 68mm BB shell, 135mm Forged Dropouts, Chainstay Mounted Disc Brakes

  • Front Suspension

    SR Suntour XCM DS, 100mm Travel, Preload Adjustment, 46mm Offset

  • Rims

    Marin, Double Wall Alloy

  • Hub, Rear

    Forged Alloy, 32H

  • Hub, Front

    Forged Alloy, 32H

  • Spoke, Nipples

    15g Black Stainless Steel

  • Tires

    MTB, 27.5/29x2.25"

  • Derailleur, Rear

    Shimano Altus, 8-Speed

  • Derailleur, Front

    Shimano FD-TY700

  • Shift Lever

    Shimano ST-EF51 3x8-Speed

  • Crankset

    Alloy Crank, Steel Chainrings, 42/34/24T

  • Bottom Bracket

    Sealed Cartridge Bearings, Square Taper

  • Chain

    KMC Z51

  • Cassette

    SunRace 8-Speed, 11-32T

  • Brake, Front

    Tektro M275 Hydraulic Disc, 160mm Rotor

  • Brake, Rear

    Tektro M275 Hydraulic Disc, 160mm Rotor

  • Brake Levers

    Tektro M275

  • Handlebar

    Marin 31.8 Riser, 12mm Rise, 780mm Width

  • Stem

    Marin Alloy, 31.8mm, 45mm

  • Grips

    Marin MTB, Closed End

  • Headset

    FSA No.10-P

  • Seatpost

    Marin Alloy, 27.2mm

  • Saddle

    Marin MTB

  • Pedals

    Nylon Platform

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

Geometry

Bolinas Ridge 2 geometry diagram
XS S M (27.5) M (29 L XL
Stack 580.5 585.5 590 616 620.5 625
Reach 400 415 430 430 445 465
Headtube Angle 68.5° 68.5° 68.5° 68° 68° 68°
Headtube Length 100 105 110 110 115 120
Seattube Angle 74° 74° 74° 74° 74° 74°
Seattube Length 330 381 431 431 481 520
Toptube Effective 566.5 583 599.2 606.6 623 644.2
BB Height 307 307 307 311.5 311.5 311.5
BB Drop 48 48 48 61 61 61
Chainstay 430 430 430 455 455 455
Wheelbase 1084.5 1101.3 1118.2 1160 1177 1199
Standover Height 649.11 663.03 706.24 716.44 744.89 773.66
Fork Offset 44 44 44 51 51 51
Seatpost Diameter 27.2 27.2 27.2 27.2 27.2 27.2
Handlebar Width 780 780 780 780 780 780
Stem Length 45 45 45 45 45 45
Crank Length 170 170 175 175 175 175

All lengths in millimeters

Technology

Profile image of the Bolinas Ridge bike

SERIES 1 ALUMINUM FRAME

The Bolinas Ridge series has a disc specific Series 1 6061 aluminum frame with a replaceable derailleur hanger and an integrated headset.

Learn More
Detail image of the Bolinas Ridge mainframe

29” OR 27.5” WHEELS

The Bolinas Ridge has a growing wheel size for the best fit and performance with the choice of 27.5” or 29” platforms on the size M, 27.5” wheels on size S, and 29” wheels on sizes L, XL, and XXL.

Detail shot of the Bolinas Ridge rear disc brake mount

DISC BRAKES

All Bolinas Ridge models feature disc brakes for minimal maintenance and all-conditions stopping power.

Detail shot of the front end of the Bolinas Ridge

TRAIL READY COMPONENTS

The Bolinas Ridge line features durable double wall rims, serviceable cassette freehubs, proven Shimano drivetrains, and readily available parts that are built to last.

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