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Bolinas Ridge 1

2023 Marin Bikes Bolinas Ridge 1 profile, grey. 2021 Marin Bolinas Ridge 1 profile, blue.

See this bike in a different color:
  • Suspension: SR Suntour XCE Disc
  • Wheel Size: 27.5", 29"
  • Frame: Aluminum
  • Size Range: XS, S, M, L, XL

RECREATIONAL MOUNTAIN BIKING

ENTRY-LEVEL RIDERS

FITNESS DIRT ROAD RIOING

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.

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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 XCE Disc, 100mm Travel, Preload Adjustment, 46mm Offset

  • Rims

    Marin, Double Wall Alloy

  • Hub, Rear

    Forged Alloy, Disc, 32H

  • Hub, Front

    Forged Alloy, Disc, 32H

  • Spoke, Nipples

    Black Stainless Steel

  • Tires

    MTB, 27.5/29x2.25"

  • Derailleur, Rear

    Shimano Tourney, 7-Speed

  • Derailleur, Front

    Shimano FD-TX500

  • Shift Lever

    Shimano Tourney 3x7-Speed

  • Crankset

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

  • Bottom Bracket

    Sealed Cartridge Bearings, Square Taper

  • Chain

    KMC Z8

  • Cassette

    SunRace 7-Speed, 11-34T

  • Brake, Front

    Clark's CMD-23 Mechanical Disc, Shimano Pad Compatible, 160mm Rotor

  • Brake, Rear

    Clark's CMD-23 Mechanical Disc, Shimano Pad Compatible, 160mm Rotor

  • Brake Levers

    Shimano w/ Integrated Shifters

  • 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 1 geometry diagram
XS S M (27.5) M (29) L XL
Stack 580.8 585.5 590 616 620.5 625
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 170 170 170 170 170 170

All lengths in millimeters

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