110113hfDER
Dołączył: 13 Lut 2011
Posty: 68
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Wysłany: Pon 5:56, 09 Maj 2011 Temat postu: Cycling and Aerodynamic Efficiency |
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Most racing bike components are made of carbon-fiber. For sample, high-end shifters, brake levers,[link widoczny dla zalogowanych], cranks are made of carbon-fiber. Also, stems, handlebars, shoe soles, forks and seat-posts are also made at carbon-fiber. Carbon-fiber is often used because is very light and has a tall capability to preoccupy vibrations.
Because of their lightweight and lightly moldering, racing bikes rims are made of aluminum. In spite of those properties, some bicycles carbon fiber is used to make the rim,[link widoczny dla zalogowanych], because these rims are lighter but they tend to crack easily and chip when the wheel punctures. This is the cause for which the riders favor cheaper and heavier wheels for exercising.
1. Wheels: equal diameter,Travel excursion Italy,[link widoczny dla zalogowanych], between 70-55 cm, have a minimum of 12 spokes
4. Saddle length: between 24 and 30 cm
To reduce wind resistance and road friction, the tires are lightweight, alley and have flat treads. They are inflated to a pressure of around 8 bars. Many bicycles have a arrange of tubular tires namely are seamed round the rube and glued to the rim. Recently, cyclists began preferring tubular clincher tires. In spite of this, the opinions regarding the values and demerits of the two tires still remain divided.
The bicycle use for racing presents a carbon skeleton, and its components are referred to as a group-set. The frameset, fork, wheel-set, bars, stem,[link widoczny dla zalogowanych], drives, harness and seat post are not included in the group-set.
e of aluminum and dual carbon fiber shackle and seat stays, the racing bicycle provides a dynamic pose to the rider trough it is lightweight and raised seat. For swift turning, the front and rear wheels are closely planned. The racing cycle forms a teardrop with the tire for of its triangular cross-section, built because greater aerodynamic efficiency. To depress air resistance and to increase overall efficiency the number of spokes in the cycle is cheap. But still, when it comes to hill climbing bicycles it is accustom a orthodox box-sectioned rim.
6. Maximum inner distance: between front fork ends 10.5 cm and of the rear stays approximately 13.5 cm.
7. Maximum weight: 6.8kg
3. Maximum width: 50 cm
5. Distance between the bottom bracket spindle and ground: between 24 and 30 cm
Yes, the true is you do merely get what you will disburse for, so get the best bike you tin possibly afford. Always a good mind is to look approximately the journals and the online shops and contractors sites and too dont forget your regional bike mart until you get what you looking for, yet be careful not to make your friends also jealous!
Important specifications of racing bikes:
2. Maximum length: 185 cm
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