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A bicycle, also called a pedal cycle, bike, push-bike or cycle, is a human-powered or motor-assisted, pedal-driven, single-track vehicle, with two wheels attached to a frame, one behind the other. A bicycle rider is called a cyclist, or bicyclist. Bicycles were introduced in the 19th century in Europe. By the early 21st century there were more ...
European city bike Children riding a bike in Ghana. Cycling, [1] also known as bicycling [2] or biking, [3] is the activity of riding a bicycle or other types of pedal-driven human-powered vehicles such as balance bikes, unicycles, tricycles, and quadricycles.
A pedal cycle, commonly known as a bicycle is driven by legs and feet on pedals. A hand-cranked bicycle or handcycle is driven by arms and hands. A rowing cycle is driven by a rowing action using both arms and legs. A treadle bicycle is driven by a reciprocating, not rotary, motion of the feet. A bucking bike (with one or more eccentric wheels ...
Astronomy – Axial precession – CNO cycle – Eclipse cycle – Eclipse – Full moon cycle – Galactic year – Great Year – Lunar phase – Mesoamerican calendars – Metonic cycle – Milankovitch cycles – Mira – Moon – Nutation – Orbit – Orbital period – Saros cycle – Sothic cycle – Secularity – Sidereal year ...
2) another name for a detangler - a device that allows the handlebars and fork to revolve indefinitely without tangling the rear brake cable. Safety levers: extension levers, and interrupt brake levers. Used to apply brakes in order for the bicycle to slow down or suddenly stop; Saddle or Seat: what a bicyclist sits on
Charge cycle, charging and discharging a rechargeable battery; Thermodynamic cycle, a sequence of processes that transfer heat and work into and out of a system; Wave cycle, the repeatable part of a periodic wave; Cyclic, a primary flight control for helicopters; Cyclic compound; Cycle in cycle per second, which is a unit of frequency (rate of ...
Previously a small niche area, BMX exploded at this time into the dominant bicycle for the younger rider, with older teenagers and even adults becoming known names through publications like BMX Bi-Weekly, featuring big names like Tim March and Andy Ruffell. The shift to freestyle from racing came in 1985 with popular styling moving from chrome ...
A wooden balance bike. A balance bike (or run bike) is a bicycle without pedals that learners propel by pushing their feet against the ground. [1] By allowing children to focus on developing their sense of balance and coordination before introducing pedalling, balance bikes enable independent riding more quickly than training wheels.