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Pump Track
A pump track is a circuit of rollers, banked turns and features designed to be ridden completely by riders "pumping"—generating momentum by up and down body movements, instead of pedaling or pushing. It was originally designed for the mountain bike and BMX scene, and now, due to concrete constructions, is also used by skateboard, and accessible to wheelchairs. Pump tracks are relatively simple to use and cheap to construct, and cater to a wide variety of rider skill levels. History Skateparks experienced a huge boom in the late 1990s and early 2000s. However, most of them were designed to be used by experienced or professional riders, and thus resulted in many injurieMany communities looked for a better, more accessible solution. The first new era pump track in the United States was built in 2004 at The Fix Bike Shop in Boulder, Colorado, by professional downhill bicyclist Steve Wentz. Track design Most pump tracks link a series of rollers to steeply bermed corners that bri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pump Track
A pump track is a circuit of rollers, banked turns and features designed to be ridden completely by riders "pumping"—generating momentum by up and down body movements, instead of pedaling or pushing. It was originally designed for the mountain bike and BMX scene, and now, due to concrete constructions, is also used by skateboard, and accessible to wheelchairs. Pump tracks are relatively simple to use and cheap to construct, and cater to a wide variety of rider skill levels. History Skateparks experienced a huge boom in the late 1990s and early 2000s. However, most of them were designed to be used by experienced or professional riders, and thus resulted in many injurieMany communities looked for a better, more accessible solution. The first new era pump track in the United States was built in 2004 at The Fix Bike Shop in Boulder, Colorado, by professional downhill bicyclist Steve Wentz. Track design Most pump tracks link a series of rollers to steeply bermed corners that bri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
BMX Bike
A BMX bike is an off-road sport bicycle used for racing or stunt riding. BMX mean''s bicycle'' ''motocross''. Construction Though originally denoting a bicycle intended for BMX racing, the term "BMX bike" is now used as a generic term to encompass race bikes ('class' and 'cruiser') and those used for freestyle disciplines (street, vert, park, flatland), and dedicated dirt jumper bicycles. Frames are made of various types of steel, aluminum, or carbon fiber. Cheaper, low-end bikes are usually made of steel. Higher range freestyle bikes are mostly chromoly, such as lightweight 4130 chromoly, or generation 3 chromoly. BMX race bikes extensively use aluminum or carbon fiber. Models BMX bicycles are available in these models types: * Dirt – These bikes feature tires with thicker and wider tread for better grip on potentially loose surfaces. * Flatland – flatland style BMX bikes have different frame geometry to traditional park BMX bikes because flatland riding requ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cycling Infrastructure
Cycling infrastructure is all infrastructure cyclists are allowed to use. Bikeways include bike paths, bike lanes, cycle tracks, rail trails and, where permitted, sidewalks. Roads used by motorists are also cycling infrastructure, except where cyclists are barred such as many freeways/motorways. It includes amenities such as bike racks for parking, shelters, service centers and specialized traffic signs and signals. The more cycling infrastructure, the more people get about by bicycle. Good road design, road maintenance and traffic management can make cycling safer and more useful. Settlements with a dense network of interconnected streets tend to be places for getting around by bike. Their cycling networks can give people direct, fast, easy and convenient routes. History The history of cycling infrastructure starts from shortly after the bike boom of the 1880s when the first short stretches of dedicated bicycle infrastructure were built, through to the rise of t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glossary Of Cycling
This is a glossary of terms and jargon used in cycling, mountain biking, and cycle sport. For ''parts of a bicycle'', see List of bicycle parts. 0–9 ; 27.5 Mountain bike: A mountain bike with wheels that are approximately in diameter and are based on ISO 584 mm (650B) rims. ; 29er (bicycle):A mountain bike with wheels that are approximately in diameter and are based on ISO 622 mm (700C) rims. ;3:1 rule : A UCI rule stating the depth and breadth (in cross-section) of the bicycle frame tubes cannot exceed the ratio of 3:1. A ; À bloc: Going ''À bloc'' means riding as hard as one possibly can, which can be risky as it leaves one in a state where recovery is needed, and therefore vulnerable to being attacked. ; Aero bars: Extension of the handlebars usually allowing the rider to rest their elbows and benefit from improved aerodynamics. Often found on Time trial bicycles. ; Aero racing bicycle: A type of racing bike that combines the aerodynamic features of a t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dirt Jumping
Dirt jumping is the practice of riding bikes over jumps made of dirt or soil and becoming airborne. Dirt Jumping evolved alongside BMX racing and is similar to BMX or mountain bike racing in that the rider jumps off of mounds of dirt, usually performing a midair trick in between. It differs in that the jumps are usually much larger and designed to lift the rider higher into the air. Additionally, the goal is not to complete the course with the fastest time, but rather to perform the tricks with the style. Dirt jumping can be performed on BMX bikes or specialized mountain bikes known simply as "dirt jumpers". Dirt jumping bikes Dirt jumping uses a specific kind of bike. BMX, for instance, has a range of bikes built for this activity. One of its key differences from general purpose bikes is the fit. There is only one standard BMX dirt jumping bike frame, which is meant to fit all riders, young and old. These bicycles tend to have a longer top tube than a street BMX bike and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Red Bull
Red Bull is a brand of energy drinks of Austrian company Red Bull GmbH. With 38% market share, it is the most popular energy drink brand as of 2019. Since its launch in 1987, more than 100 billion cans of Red Bull have been sold worldwide, including 9.8 billion in 2021. Originally available only in a single nondescript flavor sold in a tall and slim silver-blue can, called Red Bull Energy Drink, numerous variants of the drink were added over the course of time. Its slogan, "Red Bull Gives You Wings", is one of the most popular and memorable advertising slogans in the United States. Rather than following a traditional marketing approach, Red Bull has generated awareness and created a "brand myth" through proprietary extreme sport event series such as Red Bull Cliff Diving World Series, Red Bull Air Race, Red Bull Crashed Ice and standout stunts such as the Stratos space diving project. In addition to sport series, its marketing includes multiple sports team ownerships; celeb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Red Bull Pump Track World Championship
Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately 625–740 nanometres. It is a primary color in the RGB color model and a secondary color (made from magenta and yellow) in the CMYK color model, and is the complementary color of cyan. Reds range from the brilliant yellow-tinged scarlet and vermillion to bluish-red crimson, and vary in shade from the pale red pink to the dark red burgundy. Red pigment made from ochre was one of the first colors used in prehistoric art. The Ancient Egyptians and Mayans colored their faces red in ceremonies; Roman generals had their bodies colored red to celebrate victories. It was also an important color in China, where it was used to color early pottery and later the gates and walls of palaces. In the Renaissance, the brilliant red costumes for the nobility and wealthy were dyed with kermes and cochineal. The 19th century broug ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Center Of Mass
In physics, the center of mass of a distribution of mass in space (sometimes referred to as the balance point) is the unique point where the weighted relative position of the distributed mass sums to zero. This is the point to which a force may be applied to cause a linear acceleration without an angular acceleration. Calculations in mechanics are often simplified when formulated with respect to the center of mass. It is a hypothetical point where the entire mass of an object may be assumed to be concentrated to visualise its motion. In other words, the center of mass is the particle equivalent of a given object for application of Newton's laws of motion. In the case of a single rigid body, the center of mass is fixed in relation to the body, and if the body has uniform density, it will be located at the centroid. The center of mass may be located outside the physical body, as is sometimes the case for hollow or open-shaped objects, such as a horseshoe. In the case of a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rower Typu BMX Marki Sunday
Rowing, sometimes called crew American English, in the United States, is the sport of racing boats using Oar (sport rowing), oars. It differs from paddling sports in that rowing oars are attached to the boat using oarlocks, while paddles are not connected to the boat. Rowing is divided into two disciplines: sculling and sweep rowing. In sculling, each rower holds two oars—one in each hand, while in sweep rowing each rower holds one oar with both hands. There are several boat classes in which athletes may compete, ranging from single sculls, occupied by one person, to shells with eight rowers and a coxswain (rowing), coxswain, called eight (rowing), eights. There are a wide variety of course types and formats of racing, but most elite and championship level racing is conducted on calm water courses long with several lanes marked using buoys. Modern rowing as a competitive sport can be traced to the early 17th century when professional watermen held races (regattas) on the Rive ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
