Technical Specification

Marin Bolinas Ridge 2 27.5 2021 Mountain Bike 

The Bolinas Ridge family of mountain bikes are designed for the recreational mountain biker looking to explore the local singletrack or dirt paths. Utilizing our lightweight Series 1 aluminum alloy frames, 100mm travel suspension forks, and reliable Shimano drivetrains, these bikes are capable of tackling real trails and pushing your own boundaries. Size-specific 27.5” wheels, disc brakes, and 2.25” MTB tires mean comfort, traction, and control through any rough terrain. Get outside and explore with the Marin Bolinas Ridge.

Perfect for:

• ENTRY-LEVEL RIDERS
• FITNESS DIRT ROAD RIDING

Technical Specification

FRAME: Series 1 6061 Aluminum, 27.5” 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: 14g Black Stainless Steel

TIRES: MTB, 27.5 x 2.25"

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 Z-8.3

CASSETTE: SunRace 8-Speed, 11-34T

BRAKE, FRONT: Power CX7 Mechanical Disc, Shimano Pad Compatible, 160mm Rotor

BRAKE, REAR: Power CX7 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