This text enumerates the various parts of a cycle. It gives a rough concept of the functions of some parts and the materials used in bicycle construction.
A bicycle is an easy, machine, it involves a lot of mechanization. A bicycle is made of many parts put together. Perfect synchronization in the working of all of the parts is essential for the efficient working of the cycle. Modern day bicycles include many new elements, but the standard bike has the same main parts.
The basic parts of a cycle comprise ; the frame : A bicycle’s frame is made of many tubes welded together. The front fork holds the front wheel and is movable. The wheels : wheels include a center, the spokes, metal rim and rubber tyres. The brakes : they include the actuators on the handlebar, brake wires, brake pads and calipers. The chain and gears : they consist of the front chain wheels, the rear freewheel, the shift levers on the handlebars and the cables. Other cycle parts include the saddles, seat posts, handlebars, handlebar stem, cycle lights, dynamos, cranks, and pedals.
Gears and ball bearings
Most racing bikes have gears. Gears basically serve the purpose of reducing the size and diameter of the wheel. Gears adjust the direction of rotation. Multiple gears on a cycle helps change the distance the bicycle edges forward with each stroke of the pedal. A mountain bicycle has 24 gears. Chain wheels are the gears at the front. Most bikes have 2-3 chain wheels. The freewheel, at the rear, has 5-9 gears on it. It spins unreservedly in one direction and locks in the other. This can enable the bike to coast, when not pedaling. There are rear and front derailleurs to switch the gears.
Ball bearings in a bike function to reduce friction. Ball bearings are found in the front and back centers for the wheels, the pedals, the fork tube, the bottom bracket and in the freewheel. These bearings must be occasionally cleaned and greased. Costly bicycles have sealed bearing cartridges that don’t need oiling.
Materials used
Bicycles must be robust and light-weight. Alloy steel is used for making the frames and fork tubes. The handlebars, seat posts and brake levers are made of aluminum alloy. Aluminum alloy frames are reasonable. Carbon frames, titanium and advanced steel alloys frames are also available . Click here : bicycle Michigan and Michigan cycling events for info.
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October 29, 2011
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