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A carbon fiber frame racing bicycle by the French company LOOK A road bicycle made by Scott Lance Armstrong riding in a posture often used on a road bicycle. A racing bicycle, also known as a road bike, is a bicycle designed for competitive road cycling, a sport governed by and according to the rules of the Union Cycliste Internationale (UCI).
Flat bar road bikes are road bikes fitted with mountain bike-style shifters, brake levers, and a flat handlebar. They fit into the continuum between hybrids and road bikes. Gravel bicycle is a road bicycle designed for riding on gravel and other rough terrain. It has a more slack geometry and fatter tires than a road bike.
A flat bar road bike, also called a fitness bike, is a relatively new style of bicycle. It is simply a road bike fitted with a flat handlebar and MTB-style shifters and brake levers. [4] [5] This combination provides a light, fast bike with a more upright riding position that is more comfortable and gives a better view in traffic. Flat bar road ...
Aleksandr Vlasov riding a Specialized S-WORKS road bike. Road cycling is the most widespread form of cycling in which cyclists ride on paved roadways. [1] It includes recreational, racing, commuting, and utility cycling. As users of the road, road cyclists are generally expected to obey the same laws as motorists, however there are certain ...
GJV at a magnification of 100:1. Compacted graphite iron (CGI), also known as vermicular graphite iron (GJV, VG, [1] JV [2] or GGV from the German: "Gusseisen mit Vermiculargraphit" [3]) especially in non-English speaking countries, [4] is a metal which is gaining popularity in applications that require either greater strength, or lower weight than cast iron.
From a mechanical viewpoint, up to 99% of the mechanical energy delivered by the rider into the pedals is transmitted to the wheels (clean, lubricated new chain at 400 W), although the use of gearing mechanisms reduces this by 1–7% (clean, well-lubricated derailleurs and a straight chainline), 4–12% (chain with 3-speed hubs), or 10–20% (shaft drive with 3-speed hubs).
The common defining characteristic of this group of materials is the shape of the graphite. In ductile irons, graphite is in the form of nodules rather than flakes as in grey iron . Whereas sharp graphite flakes create stress concentration points within the metal matrix, rounded nodules inhibit the creation of cracks, thus providing the ...
The name "29er" comes from a bicycle called the Two Niner, which was offered by the Fisher bike company in 2001, according to 1998 Mountain Bike Hall of Fame inductee Don Cook. [8] The US division of Bianchi Bicycles offered a line of 29″ wheeled off-road bikes beginning in 1991 called the Project bikes. Their 1992 product catalog raved about ...