Sigma: Instalação e FAQ

Sigma: Instalação e F.A.Q.

Quando anunciamos o Sigma Stem em setembro, ele foi recebido com bastante entusiasmo. Assim como com nossos outros produtos, tentamos encontrar uma solução única para certos problemas aerodinâmicos e de ajuste que não podem ser encontrados em nenhum outro lugar do mercado. O objetivo com o Sigma era criar um avanço que combinasse design aerodinâmico superlativo com simplicidade mecânica.

A mecânica básica da Sigma é idêntica à de uma haste padrão. Mas, é claro, há um pouco mais na Sigma do que você obtém com uma haste padrão, então criamos instruções de instalação passo a passo.

Instalação Sigma
Corte o tubo de direção do seu garfo de modo que a parte superior do tubo de direção fique aproximadamente 3 mm abaixo da tampa do headset do Sigma. Nota: O Sigma foi projetado para ser usado sem espaçadores acima da mesa. No entanto, se você ainda estiver refinando a posição da mesa, ele pode ser usado temporariamente com espaçadores acima da mesa, mas apenas com a capa do cabo removida.
Com a capa do cabo removida, instale o Sigma no seu garfo como faria com qualquer outra mesa. Siga a especificação de torque do seu headset para o parafuso do headset. Use 5-6 Nm de torque nos dois parafusos de soquete M5 que apertam o Sigma ao seu tubo de direção.
Instale seu guidão da maneira usual. Use 5-6 Nm de torque nos quatro parafusos de soquete M5 que apertam a braçadeira do guidão. Como com qualquer mesa, você não quer apertar imediatamente nenhum parafuso para sua especificação de torque máximo enquanto outros parafusos estão significativamente mais soltos. Em vez disso, aperte cada parafuso apenas um pouco de cada vez, dando várias passadas para chegar à especificação de torque final. Além disso, verifique a especificação de torque da mesa periodicamente para garantir que os parafusos não fiquem mais soltos com o tempo.
O Sigma tem um batente de cabo integrado para uso com freios centerpull como o TriRig Omega. Se você deseja usar esta opção de roteamento, passe o alojamento do cabo do freio dianteiro diretamente no batente do cabo. O comprimento ideal do alojamento dependerá do seu equipamento específico, mas para fins aerodinâmicos, é melhor tentar rotear o cabo de forma que ele fique escondido atrás do perfil frontal do seu guidão. Ou seja, tente rotear o alojamento do cabo do freio dianteiro de forma que ele não fique visível quando visto da frente da sua bicicleta.
Depois que a mesa e o guidão estiverem no lugar, use a capa do cabo para coletar todos os cabos e escondê-los dentro do corpo da Sigma. Use 3-4 Nm de torque no parafuso escareado para prender a capa do cabo à mesa. Dependendo da sua configuração específica, pode ser vantajoso coletar apenas alguns cabos sob a capa da mesa, deixando outros do lado de fora. Como a capa do cabo não é um elemento estrutural da Sigma, ela pode ser removida ou reinstalada a qualquer momento para fins de deslocamento ou ajuste.
O Sigma inclui um suporte BTA integrado para prender facilmente um suporte de garrafa diretamente à haste. Este suporte opcional prende-se diretamente à parte frontal da haste através do parafuso sextavado M4 incluído com 2-3 Nm de torque. Uma vez que o suporte esteja no lugar, remova o parafuso da tampa da haste e instale o suporte de garrafa usando parafusos de suporte de garrafa M5 padrão (não incluídos), usando 2-3 Nm de torque. O parafuso do suporte de garrafa traseiro passará pela tampa da haste e entrará na haste.


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