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 for breaking out on the trails and pushing your own boundaries.

Key Features:

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

Hubs

• Rear: Forged Alloy, Disc, 32H
• Front: Forged Alloy, Disc, 32H

Spokes & Nipples

• Black Stainless Steel

Tires

• MTB, 27.5/29x2.25"

Drivetrain

• Rear Derailleur: Shimano Tourney, 7-Speed
• Front Derailleur: 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

Brakes

• Front Brake: Clark's CMD-23 Mechanical Disc, Shimano Pad Compatible, 160mm Rotor
• Rear Brake: Clark's CMD-23 Mechanical Disc, Shimano Pad Compatible, 160mm Rotor
• Brake Levers: Shimano w/ Integrated Shifters

Cockpit

• 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

Seat & Pedals

• Seatpost: Marin Alloy, 27.2mm
• Saddle: Marin MTB
• Pedals: Nylon Platform

The Bolinas Ridge 1 is designed for riders seeking performance, value, and fun—perfect for those new to mountain biking or looking for a low-hassle, low-cost bike to explore off-road adventures.