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Bicicleta de montanha / Mountain bike

A cache by btt Send Message to Owner Message this owner
Hidden : 6/2/2009
Difficulty:
3 out of 5
Terrain:
2 out of 5

Size: Size: small (small)

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Geocache Description:


Insígnia de Cache Nomeada

[POR] O BTT nasceu na década de 1950. Quer ciclistas de estrada quer surfistas em dias sem ondas procuravam desafios diferentes.
Mas a origem do BTT não é isenta de contradições e os franceses reclamam-se como os iniciadores desta modalidade. Inicialmente as bicicletas de estrada foram modificadas para esse efeito.
Uma das modificações mais precoces consistiu na colocação de travões de tambor de motocicleta, para ganhar a potência de travagem necessária para descer encostas a alta velocidade. Em resposta a esta procura de adrenalina em 1976 deu-se início a uma prova chamada "Repack Downhill". Estas exigências são ilustradas pelo curiosa “prova de descida Repack” que era efectuada em vertentes de estradas corta fogo nos EUA. Era assim denominada porque uma das modificações consistia na colocação de travões de tambor, mas o óleo aquecia de tal forma durante a descida que tinha de ser imediatamente reposto (repack). >
[ENG] Mountain biking (MTB) was born in the fifties. Road cyclers as well as surfers were looking for new challenges. But the origin of mountain biking is not free of contradictions and the Frenchmen claim for them the first steps of this sport. Initially road bikes were slowly modified for more radical trails.
Looking for adrenaline one of the early changes was the use of motorcycle drum brakes, which allowed the needed braking power to go down the hill at high speed. So, in 1976 was started a race called "Repack Downhill". This race was so called because such intense brake use heated the oil so much that it needed to be immediately replaced (repack).>
Only in 1977 was made the first mountain bike, the Breezer #1 (Joe Breeze) and in 1979 thre first bike made by Gary Fisher who sold 160 units. Today Gary Fisher still has his own trade mark. The trade mark Specialized began to do factory made bikes and sell lots of mountain bikes (Stumjumper) that leads to a big increase of this sport.

[POR] As bicicletas de BTT diferem das de estrada em vários aspectos: têm pneus mais largos e cardados para terem maior absorção de impactos e aderência com lama, oferecendo maior controlo e tracção; as suspensões permitem maior controlo e conforto (estas podem ser usadas apenas à frente ou também atrás, a chamada suspensão total -full suspension); os quadros são mais reforçados e resistentes e têm geometria diferente; o guiador permite um posicionamento diferente do ciclista; as relações das marchas (mudanças), habitualmente 27, são mais leves, etc.



[ENG] The Mountain and road bicycles are different in various aspects: wider tyres to give more impact absorption and adherence, offering more control and traction; the suspension giving greater control and comfort (these can be used on the front fork or have an additional rear suspension - full suspension); the frames are strengthened and more resistant and have a different geometry; the handlebars allows the rider different positioning and an easier climbing can be achieved with a different transmission system (lighter velocities) and so on.


[PT] O BTT tem várias modalidades: Cross country (XC) em que a resistência é importante e o downhill (sempre a descer e com saltos): Ambos têm algumas variantes como o urban assault, freeride, 4 X (four cross), trial, BMX, enduro. O BTT (Bicicleta Todo o Terreno) é uma paixão dos elementos da nossa Geoequipa e sendo Monsanto um local de eleição para a prática de BTT e esta cache está colocada estrategicamente junto aos trilhos.

Para ver um video interessante sobre a historia do BTT clique aqui


[ENG] The MTB has several modes: Cross country (XC) where it is important the physical endurance of the rider and the Downhill (almost always riding down, sometimes with jumps). Both of them have variants such as urban assault, freeride, 4 X (four cross), trial, BMX, enduro and others. Mountain biking is our "Geoteam" hobby and Monsanto is a very special place for mountain biking. So, this cache is strategically placed near the MTB tracks.


To see an interesting movie about MTB history click here

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