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Chainring studs.

  • 16-07-2013 7:34pm
    #1
    TheBlaaMan
    Registered Users, Registered Users 2 Posts: 3,472 ✭✭✭


    Why does my outer chainring have studs embedded in it? They seem very much 'surplus to requriements'

    The chainring is a Stronglight 52T on a Shimano 105 spider and the studs are fouling the chain when it is on the inner-ring and any sprocket smaller than about the 15. These are NOT studs to prevent a dropped chain slipping between the crank arm and the chainring - there are 6/7 of them around the chainring. While I try to avoid the 36/11 combination, I need to be able to get the 13, 14, 15 at least without the chain catching - it cant be good for it, long-term.

    I'm of a mind to drill them out, which will leave me with a few extra holes in the chainring - but folks might begin to think I've got weight-weenie disease.
    See pics attached. The first is taken from the drive side, the second from the non-drive side and while the pic is out of focus you can just about make out that the stud is oily from the chain catching on it.


Comments

  • #2
    Beasty
    Administrators, Social & Fun Moderators, Sports Moderators Posts: 78,444 Admin ✭✭✭✭✭Beasty


    Moved from Cycling Adverts


  • #3
    happytramp
    Registered Users, Registered Users 2 Posts: 2,625 ✭✭✭happytramp


    Disappointed. Thought this was going to be about an all male 'cycling' themed stripper's group :(


  • #4
    clog
    Registered Users, Registered Users 2 Posts: 1,100 ✭✭✭clog


    The studs are there to help the chain ramp up to the big ring. I had this problem as well when running 52/36 chainrings but only on the bottom 2 sprockets. After a while I just got used to changing up to the big ring earlier.
    Don't drill them out as the front shifting will suffer.


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