Racing bicycle
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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.
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
The components of a road bike
Gravel bicycle
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A gravel bicycle is a type of bicycle intended for gravel cycling, including gravel racing. They are also sometimes known as "adventure bicycles", particularly ones intended for harsher off-road terra
Racing bicycle
…and utility riding. Bicycles for racing on velodromes are track bicycles; bicycles for racing off-road are mountain bicycles, cyclo-cross bicycles, gravel bicycles or cycle speedway bicycles; bicycles that race according to the rules of the International Human Powered Vehicle Association include faired recumbent…
A Look 765 gravel bicycle, without rider, propped up on a photo stand.
Clip-on aerobars fitted to a gravel bike for racing
A gravel bicycle used for racing. It has a customised drivetrain with 46/30 chainrings and an 11–40 cassette, giving a very wide spread of gears. It has 650b wheels with 48 mm wide tyres
A Schwalbe G-One tubeless bicycle tyre, in use on an unidentified gravel bike