The Marin Gestalt Base Black 54 is an all-road/adventure bike engineered to bridge the gap between road cycling and gravel exploration. It's part of Marin’s Beyond Road category, designed for versatility, comfort, and performance across varied terrain. Whether you’re commuting through the city, navigating crushed limestone paths, or embarking on a weekend bikepacking trip, the Gestalt delivers a stable, dependable, and responsive ride.

🛠️ Technical Specifications

🧱 Frame & Geometry

• Material: Series 2 6061 Aluminum Alloy

• Geometry: Endurance-oriented with a long wheelbase and slack head tube angle

• Features: Internal cable routing, forged dropouts, fender & rack mounts, flat-mount disc brakes

• Tire Clearance: Up to 700x35c with fenders (or wider without)

🧩 Fork

• Material: CrMo Steel

• Type: Straight blade for direct steering feel

• Mounts: Fender and low-rider rack compatible

• Brakes: Flat-mount disc ready, optimized for 160mm rotors

⚙️ Drivetrain

• Shifters: Shimano Claris STI (2x8 speed)

• Front Derailleur: Shimano Claris

• Rear Derailleur: Shimano Claris, long cage

• Crankset: FSA Tempo Compact, 50/34T

• Bottom Bracket: Sealed cartridge, square taper

• Cassette: SunRace 11-32T, 8-speed

• Chain: KMC Z8.3

This setup provides a total of 16 gears, making it suitable for both hilly and flat terrain. The compact double crankset paired with a wide-range cassette offers solid climbing capabilities.

🛞 Wheels & Tires

• Rims: Marin Aluminum Double Wall, Disc Specific, 19mm internal width

• Hubs: Forged alloy, 6-bolt disc, 32H

• Tires: Vee Tire Co. Zilent, 700x35c, puncture-protected, reflective sidewalls

• Tubeless Compatibility: Rims are tubeless-ready (tape & valves needed separately)

🛑 Brakes

• Type: Mechanical Disc Brakes

• Model: Tektro MD-C400

• Rotors: 160mm front & rear, 6-bolt mount
  These provide consistent braking power in all conditions and are easier to service than hydraulics.

🧍‍♂️ Rider Fit & Comfort

• Handlebars: Marin Butted Alloy, Compact Drop, 12° Flare (for off-road control)

• Stem: Marin 3D Forged Alloy, 31.8mm clamp

• Seatpost: Marin Alloy, 27.2mm, micro-adjust

• Saddle: Marin Beyond Road Concept saddle – shaped for long-ride comfort

The wide, flared drop bars increase control on gravel descents and provide ergonomic hand positions. The taller head tube and slack geometry offer a more upright and stable ride.

🔧 Customization Options

• Mounts: Front & rear rack mounts, full fender mounts, 2 bottle cage mounts

• Upgrades Possible: Tubeless tires, wider tires (up to ~40mm without fenders), drivetrain upgrades to 1x or 2x10