A tandem bicycle or twin is a form of bicycle designed to be ridden by more than one person. The term tandem refers to the seating arrangement, not the number of riders. Patents related to tandem bicycles date from the mid 1880s. Tandems can reach higher speeds than the same riders on single bicycles, and tandem bicycle racing exists. As with bicycles for single riders, there are many variations that have been developed over the years.
A mountain bike (MTB) or mountain bicycle is a bicycle designed for off-road cycling. Mountain bikes share some similarities with other bicycles, but incorporate features designed to enhance durability and performance in rough terrain, which often makes them heavier, more complex and less efficient on smooth surfaces. These typically include a suspension fork, large knobby tires, more durable wheels, more powerful brakes, straight, extra wide handlebars to improve balance and comfort over rough terrain, and wide-ratio gearing optimised for topography, application and a frame with a suspension mechanism for the rear wheel. Rear suspension is ubiquitous in heavier-duty bikes and now common even in lighter bikes. Dropper seat posts can be installed to allow the rider to quickly adjust the seat height.
Mountain biking is a sport of riding bicycles off-road, often over rough terrain, usually using specially designed mountain bikes. Mountain bikes share similarities with other bikes but incorporate features designed to enhance durability and performance in rough terrain, such as air or coil-sprung shocks used as suspension, larger and wider wheels and tires, stronger frame materials, and mechanically or hydraulically actuated disc brakes. Mountain biking can generally be broken down into distinct categories: cross country, trail, all mountain, enduro, downhill and freeride.
A bicycle frame is the main component of a bicycle, onto which wheels and other components are fitted. The modern and most common frame design for an upright bicycle is based on the safety bicycle, and consists of two triangles: a main triangle and a paired rear triangle. This is known as the diamond frame. Frames are required to be strong, stiff and light, which they do by combining different materials and shapes.
A bicycle wheel is a wheel, most commonly a wire wheel, designed for a bicycle. A pair is often called a wheelset, especially in the context of ready built "off the shelf" performance-oriented wheels.
The Cannondale Bicycle Corporation is an American division of Dutch conglomerate Pon Holdings that supplies bicycles. Its headquarters are in Wilton, Connecticut, with engineering offices in Freiburg, Germany. Frames are manufactured in Taiwan. Bikes are assembled in Taiwan, as well as in the USA and in The Netherlands for the local markets.
Juliana "Juli" Furtado is a retired American professional mountain biker, who began her sports career in skiing.
A bicycle fork is the part of a bicycle that holds the front wheel.
Marin Bikes is a bicycle manufacturer in Sonoma County, California, established in 1986. It specializes in mountain bikes but also makes other types. Many of its bicycle models are named after locations in and around Marin County, where it was originally headquartered.
29ers or two-niners are mountain bikes and hybrid bikes that are built to use 700c or 622 mm ISO wheels, commonly called 29″ wheels. Most mountain bikes once used ISO 559 mm wheels, commonly called 26″ wheels. The ISO 622 mm wheel is typically also used for road-racing, trekking, cyclo-cross, touring and hybrid bicycles. In some countries, mainly in Continental Europe, ISO 622 mm wheels are commonly called 28″ wheels or "28 Incher".
Keith Bontrager is a motorcycle racer who became a pioneer in the development of the modern mountain bike. Between 1980 and 1995, he was president of his own Bontrager Company, which continues to develop components for Trek Bicycle Corporation after Trek bought out Bontrager.
A downhill bike is a full suspension bicycle designed for downhill cycling on particularly steep, technical trails. Unlike a typical mountain bike, durability and stability are the most important design features, compared to lighter, more versatile cross-country bikes. Downhill bikes are primarily intended for high-speed descent, and downhill riders will usually push, or shuttle via chairlifts or motorized vehicles, to the trailhead. Downhill bikes share similarities with freeride bikes due to their large strong frames and increased travel.
Specialized Bicycle Components, Inc., colloquially known as and stylized as SPECIALIZED, is an American company that designs, manufactures and markets bicycles, bicycle components and related products under the brand name "Specialized", as well as the premium and professional oriented "S-works".
Turner Suspension Bicycles, Inc. is an American bicycle frame manufacturer, based in Murrieta, California, specializing in full-suspension mountain bikes. Turner Bikes was founded in 1994 by David Turner, a former professional mountain bike rider who had ridden for the Marin and Mongoose teams. Turner had also worked with Horst Leitner at AMP Research whilst Horst developed the Horst Link suspension design.
Bicycle suspension is the system, or systems, used to suspend the rider and bicycle in order to insulate them from the roughness of the terrain. Bicycle suspension is used primarily on mountain bikes, but is also common on hybrid bicycles.
Cross-country (XC) cycling is a discipline of mountain biking. Cross-country cycling became an Olympic sport in 1996 and is the only form of mountain biking practiced at the Olympics.
The Triumph Tiger 800 is a dual-sport motorcycle launched in 2010 by British manufacturer Triumph Motorcycles. The Tiger 800 XR is a more road-oriented bike, while the Tiger 800 XC is designed as a more off-road vehicle.
Pon Holdings BV is a Dutch conglomerate in the transportation sector. It is one of the five largest bicycle manufacturers in the world, and owns bicycle brands Caloi, Cannondale, Cervélo, Derby Cycle, GT, Gazelle, IronHorse, Kalkhoff, Mongoose, Santa Cruz, Veloretti, and Schwinn, among others.
Brodie Bicycles is a manufacturer of mountain, road, cyclocross and commuter bicycles based in Vancouver, British Columbia, Canada.
