Bolinas Ridge 1

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- Price: $699.00*
- Suspension: SR/Suntour XCE Disc
- Wheel Size: 29", 27.5"
- Frame: Aluminum
- Size Range: M, L
Size Rider height range XS 4'10" to 5'2" S 5'2" to 5'5" M (27.5/29) 5'5" to 5'9" L 5'9" to 6' XL 6' to 6'4" - 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 perfect blend of performance, value and fun, the Bolinas Ridge is ideal for riders that are new to mountain biking or simply want a low-hassle, low-cost bike to explore off-road.
The Bolinas Ridge 1 is the best value model in the Bolinas family, offering bags of bang for very few bucks. Components include powerful Clark’s mechanical disc brakes, an SR/Suntour suspension fork and reliable and grippy off-road tires all of which are ideal to break out on the trails and push your own boundaries.
Depending on size, the Bolinas Ridge comes with either smaller 27.5” (sizes XS to M) wheels or larger (sizes M to XL) wheels to guarantee a perfect fit.
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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
Rim
Marin, Double Wall Alloy
Hub Rear
Forged Alloy, Disc, 32H
Hub Front
Forged Alloy, Disc, 32H
Spokes
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
Shimano, CSHG200, 7-Speed, 11-32T
Brakes Front
Clark's CMD-23 Mechanical Disc, Shimano Pad Compatible, 160mm Rotor
Brakes 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

XS | S | M (27.5) | M (29) | L | XL | XXL | |
---|---|---|---|---|---|---|---|
Stack | 586 | 592 | 596 | 622 | 626 | 631 | 640 |
Reach | 420 | 435 | 445 | 445 | 465 | 485 | 505 |
Headtube Angle | 67.5° | 67.5° | 67.5° | 67° | 67° | 67° | 67° |
Headtube Length | 100 | 105 | 110 | 110 | 115 | 120 | 130 |
Seattube Angle | 74.5° | 74.5° | 74.5° | 74.5° | 74.5° | 74.5° | 74.5° |
Seattube Length | 330 | 381 | 431 | 431 | 481 | 520 | 559 |
Toptube Effective | 583 | 599 | 610 | 617 | 639 | 660 | 683 |
BB Height | 307 | 307 | 307 | 311.5 | 311.5 | 311.5 | 311.5 |
BB Drop | 48 | 48 | 48 | 61 | 61 | 61 | 61 |
Chainstay | 438 | 438 | 438 | 455 | 455 | 455 | 455 |
Wheelbase | 1124 | 1141 | 1153 | 1184 | 1206 | 1228 | 1252 |
Standover Height | 619 | 639 | 686 | 699 | 726 | 760 | 790 |
Fork Offset | 42 | 42 | 42 | 46 | 46 | 46 | 46 |
Seatpost Diameter | 27.2 | 27.2 | 27.2 | 27.2 | 27.2 | 27.2 | 27.2 |
Handlebar Width | 780 | 780 | 780 | 780 | 780 | 780 | 780 |
Stem Length | 45 | 45 | 45 | 45 | 45 | 45 | 45 |
Crank Length | 170 | 170 | 170 | 170 | 170 | 170 | 170 |
All lengths in millimeters
Technology
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.

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.

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

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.