
See this bike in a different color:
- Price: $559*
- Suspension: SR/Suntour XCE Disc
- Wheel Size: 29", 27.5"
- Frame: Aluminum
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Size Range:
XS, S, M
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 6'0" XL 6'0" to 6'3" - Manufacturer’s suggested retail price may not include additional shipping or preparation charges and does not include applicable US sales tax. Please contact your local Marin dealer for a quote.
With a lightweight aluminum frame, a trail-capable suspension fork, MTB tires and all-condition disc brakes, the Bolinas Ridge has everything you need to break out onto the trails and push your own boundaries.
The Bolinas Ridge ST 1 is the best value model in the ST family, offering bags of bang for very few bucks. Components include powerful Tektro mechanical disc brakes, an SR/Suntour suspension fork and reliable and grippy off-road tires.
This new step-thru frame is only available with 27.5 wheels across the XS - M frame size to keep it as ergonmically accessible as is possible.
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Specifications
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Frame
Series 1 6061 Aluminum, 27.5”/29" Wheels, Low Standover, 68mm BB shell, 135mm Forged Dropouts, Chainstay Mounted Disc Brakes
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Front Suspension
SR Suntour XCE Disc, 100mm Travel, Preload Adjustment, 46mm Offset
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Rim
Marin, Double Wall Alloy
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Hub Rear
Forged Alloy, Disc, 32H
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Hub Front
Forged Alloy, Disc, 32H
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Spokes
Black Stainless Steel
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Tires
MTB, 27.5/29x2.25"
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Derailleur Rear
Shimano Tourney, 7-Speed
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Derailleur Front
Shimano FD-TX600
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Shift Lever
Shimano Tourney 2x7-Speed
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Crankset
Alloy Crank, Steel Chainrings, 36/22T
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Bottom Bracket
Sealed Cartridge Bearings, Square Taper
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Chain
KMC Z8
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Cassette
Shimano, CSHG200, 7-Speed, 11-32T
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Brakes Front
Tektro MDM280 Mechanical Disc, 160mm Rotor
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Brakes Rear
Tektro MDM280 Mechanical Disc, 160mm Rotor
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Brake Levers
Shimano w/ Integrated Shifters
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Handlebar
Marin 31.8 Riser, 12mm Rise, 780mm Width
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Stem
Marin Alloy, 31.8mm, 45mm
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Grips
Marin MTB, Closed End
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Headset
FSA No.10-P
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Seatpost
Marin Alloy, 27.2mm
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Saddle
Marin MTB
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Pedals
Nylon Platform
Specifications, pricing, and availability are subject to change without notice.
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.
Marin Sport geometry and 100mm of suspension travel blends easy handling, stability, and a lively and fun ride to ride anything from dirt paths to singletrack trail.
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29” OR 27.5” WHEELS
The Bolinas Ridge is available with 27.5” or 29” wheels to optimize rider fit and trail experience. Sizes Small and Medium are available with 27.5” wheels to maximize standover, sizes Medium – XXL with 29” wheels best suited for taller riders.

DISC BRAKES
All Bolinas Ridge models feature disc brakes for minimal maintenance and all-conditions stopping power for the best in safety and control.

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.