| Features | T3 Carbon: Carbon frames are generally manufactured as a "monocoque" structure. This means the entire frame, or significant parts anyway (front triangle, or rear triangle) are molded as a single piece. The bladders that are used to pressurize the frame during molding are difficult to control and may result in additional resin left inside the frame. While this can ensure good continuity of the carbon fibers through that part of the mold, all monocoque frames still require that frame parts be glued together. Marin employs this manufacturing technique where it makes sense, but in the road category, we primarily use T3 construction, also known as "tube to tube". In this technology, each frame tube is individually molded, which allows us to precisely control the wall thickness of each tube, resulting in ride tuning perfection. Then, each tube is laid into a fixture that positions them to precisely the angles required for that frame, where they are then bonded into place, and reinforced with an additional lay up of carbon, before going into the heating ovens. This extra care results in absolute minimum weight, perfected ride feel, and a bike that you won't want to climb off of.
4-In-1 Cable Guides: An interchangeable cable management system for 2014 carbon hardtail, cyclocross and road frames. Made from precision CNC’d aluminum, the guides allow for the use of both mechanical and electronic drivetrain systems through an internal routing layout that protects cables and wires. To fit the application and rider preference, the guides can be changed out for use of full-length housing, housing with cable stops, electronic or flush mount covers when a cable is not present.
RVS Seatstay: The Rapid Vibration Suppression system is our tuned seatstay forming process designed to reduce shock transmission between the rider and rough road surfaces. Used on alloy and carbon road bikes, the stays are formed and arced with specially butted tubes to allow for the vertical deflection of impacts generated at the rear wheel. Carbon models feature an additional split-wishbone brake arch to increase surface area for shock dissipation and resist torsional flex from hard pedaling efforts and impacts while leaned over in a corner.
Tapered Head Tube: As bicycle forks evolved, the diameter of the "steerer tube" of a fork, and the "head tube" of the frame (which houses the steerer tube and headset) has steadily increased. Years ago, forks were fairly standard at a 1" steerer diameter. This increase to 1-1/8" (also known as OS) in the 90's, and even 1-1/4" and 1.5" sizes became somewhat common. In particular, 1.5" was used on Freeride or downhill frames due to the inherent increase in strength that comes from the larger diameter. But there were some problems, 1.5" forks required very large head tubes, and were heavy. As the sizes evolved, it was realized that using a tapered steerer tube would offer up the best of both worlds. Marin uses tapered forks that have a 1.5" lower diameter, but then taper to a 1-1/8" upper diameter. This reduces weight, but keeps very high strength where it's needed, at the base of the steerer tube, where it meets the fork crown. This type of tapered fork greatly increases stiffness and strength, while keeping weight to an absolute minimum. Unlike many other companies, if a Marin bike has a tapered head tube, it also has a tapered fork, to take maximum advantage of the technology.
Women’s Fit Geometry: Women's Fit Geometry means that the frame design, and/or component choices, have been made specifically for female riders on Marin road, mountain and pavement bikes. Each style of bike has key changes made to the riding position that take into account the physical attributes of women riders, including leg, torso and arm length differences, as well as the shape of the saddles and the distance from the handlebar to the shifters and brake levers. These changes enhance stand-over clearance as well as place the rider in perfect pedaling position, with optimum distance between the saddle and handlebar, grip placement in relation to shoulder width, and pelvic bone dimensions. These differences add up to a bike, and riding experience, that melds rider and bike together into a single moving force. They bring comfort, and control to the rider, without sacrificing performance, and fun.
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