Front Derailleur cabling routed along the down tube ?

Brocade
Brocade Posts: 433
edited March 2010 in Workshop
Is this possible ? Is it ever done ? What does one need to watch out for ? This is for a SRAM Rival front mech.
Thanks
BMC Pro Machine
Enigma Ego

Comments

  • gundersen
    gundersen Posts: 586
    well what do you call a downtube?

    and what tyoe of bike are you thinking of?
  • Brocade
    Brocade Posts: 433
    Hi,

    Down tube as in this picture: http://www.fatwheels.com/images/bikeframe.jpg

    This is for a custom built cyclocross frame.

    Thanks
    BMC Pro Machine
    Enigma Ego
  • nicklouse
    nicklouse Posts: 50,675
    if you have a suitable cable stop then yes. if not then not really.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • gundersen
    gundersen Posts: 586
    cables are usually on top of top tube on cyclecross frame.
    this is to minimize dirt stuffing up the gears

    if I was going to design a crossframe I would put cables inside top tube.
    this so I wound't change the gears when lifting bike
  • Monty Dog
    Monty Dog Posts: 20,614
    Top tube routing requires a pulley behind the BB - all road f/mechs are bottom pull - the pulley is just a further collection point for mud so really defeats the purpose.
    Make mine an Italian, with Campagnolo on the side..
  • Brocade
    Brocade Posts: 433
    Many thanks for the advice.
    BMC Pro Machine
    Enigma Ego

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