Advertise on Bikeforums.net



User Tag List

Results 1 to 5 of 5
  1. #1
    Commuting & Touring Guy Doconabike's Avatar
    Join Date
    Apr 2008
    My Bikes
    Trek 520, Surly LHT, and an XtraCycle
    Posts
    131
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

    chain too short on new Surly LHT bike

    Hi,

    I just ran into an interesting issue and I wonder how other folks have dealt with this.

    I am building up a 56cm Surly Long Haul Trucker. The set-up is

    Sugino XD-2 triple crank with largest chain-ring of 48 teeth
    touring cassette with climbing gear of 34 teeth
    standard 9 speed SRAM PC-971 chain
    new surly LHT frame, size 56

    I was installing the chain and went to measure it in the standard "large-large" way as per Sheldon Brown's advice ( http://sheldonbrown.com/derailer-adjustment.html#chain ). Even with the brand new chain, the chain wasn't long enough. It was one link too short.

    The solution I came up with in the heat of battle was to use another section of link from another SRAM pc-971 chain and another powerlink to join it, but it seemed a little odd to run into this problem.

    I have two questions.

    1) have other folks run into this before when installing a chain on a touring bike with long chain-stays?

    2) what solutions have people used?

    Thanks.






  2. #2
    Senior Member JustChuck's Avatar
    Join Date
    Sep 2008
    Posts
    161
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    1. Yes
    2. You add enough to make the difference from the same type of chain. It happens with timing chains on tandems as well as long/big bikes.

  3. #3
    biked well well biked's Avatar
    Join Date
    Jul 2005
    Posts
    6,799
    Mentioned
    1 Post(s)
    Tagged
    0 Thread(s)
    You just have a setup that requires an unusually long chain. You dealt with it properly. On my LHT, I used a SRAM nine speed chain and had just enough to not need additional link(s). But my largest chainring is a 46t and my largest cog is a 32t. The eighteen-inch-plus chainstays on the LHT are unusually long, of course.

  4. #4
    just keep riding BluesDawg's Avatar
    Join Date
    Feb 2005
    Location
    Milledgeville, Georgia
    My Bikes
    2014 Specialized Crave Pro 29, 2014 Specialized Crux EVO Carbon Disc, 2012 Black Mountain Cycles Monster Cross, 2011 Specialized Roubaix SL3 Expert Compact, 2009 Salsa Casseroll, 2003 KHS Milano Tandem, 1986 Nishiki Cadence rigid MTB
    Posts
    12,732
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    You might want to go with a KMC chain next time. The ones I get have 116 links vs 114 for the SRAM.
    The more you ride your bike, the less your ass will hurt.

  5. #5
    Commuting & Touring Guy Doconabike's Avatar
    Join Date
    Apr 2008
    My Bikes
    Trek 520, Surly LHT, and an XtraCycle
    Posts
    131
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by BluesDawg View Post
    You might want to go with a KMC chain next time. The ones I get have 116 links vs 114 for the SRAM.

    Thanks BluesDawg, 116 links would have been perfect.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •