Advertise on Bikeforums.net



User Tag List

Results 1 to 4 of 4
  1. #1
    Senior Member CHAS's Avatar
    Join Date
    Aug 2008
    Location
    Silverthorne, Colorado
    My Bikes
    Rawlings Drakkar, Specialized Roubaix, Pivot, Challenge Trike, Tandem
    Posts
    636
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

    Barcons- loose screw and slipping

    New Shimano Barcons. Screw in right one works its way loose. Have retightened every 3 or so miles.
    Should I add some red LocTite to the tip of the screw?

    May have hit proper torque with my last attempt to tighten it, but don't want to be far from home with one gear in the mountains.
    Pivot 5.7
    Rawland Drakkar 650B love it with 38mm Soma tires
    2009 Specialized Roubaix Ultegra
    Santana Fusion Tandem
    2010 Specialized TriCross
    Challenge Concept Trike
    One knee scoped so far.

    Homophobia is so gay.

  2. #2
    Insane Bicycle Mechanic Jeff Wills's Avatar
    Join Date
    Mar 2008
    Location
    other Vancouver
    Posts
    6,420
    Mentioned
    1 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by CHAS View Post
    New Shimano Barcons. Screw in right one works its way loose. Have retightened every 3 or so miles.
    Should I add some red LocTite to the tip of the screw?

    May have hit proper torque with my last attempt to tighten it, but don't want to be far from home with one gear in the mountains.
    I've had that happen. You want that screw to be really, really tight. First, make sure the "friction/index" switch is all the way one way or the other. If it gets stuck in between (because the screw is loose) it'll break the index mechanism. Then, get the biggest screwdriver that will fit in the slot and tighten it for all you're worth. I've used T-handle screwdrivers on mine and they hold up fine.

    I figured this out 20 years ago with my first set of 7-speed Shimano bar-cons. I still have that set, and they're still usable.
    Jeff Wills

    All my bikes.

  3. #3
    Senior Member CHAS's Avatar
    Join Date
    Aug 2008
    Location
    Silverthorne, Colorado
    My Bikes
    Rawlings Drakkar, Specialized Roubaix, Pivot, Challenge Trike, Tandem
    Posts
    636
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Thanks. Guess I had better make up mind which setting I want.
    Pivot 5.7
    Rawland Drakkar 650B love it with 38mm Soma tires
    2009 Specialized Roubaix Ultegra
    Santana Fusion Tandem
    2010 Specialized TriCross
    Challenge Concept Trike
    One knee scoped so far.

    Homophobia is so gay.

  4. #4
    Senior Member surreal's Avatar
    Join Date
    Mar 2002
    Location
    NJ
    Posts
    2,868
    Mentioned
    6 Post(s)
    Tagged
    0 Thread(s)
    go index. it's way more "trick". =P

    -rob

Posting Permissions

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