Chainring bolts misbehaving!

ashleymp777
ashleymp777 Posts: 1,212
edited August 2007 in MTB workshop & tech
Just taken my crankset off to strip it down and clean the rings individually etc but when i go to undo the bolts that secure the top two chain rings, the bolt that goes in behind the rings keeps spinning around.

Besides trekking off to my LBS to get the proper tool, has anyone got any home-grown ideas they can share to stop this bolt from moving!?!?!
2011 Yeti ASR5 carbon: http://www.pinkbike.com/photo/5817307/

2012 Wilier Cento Uno:
http://www.pinkbike.com/photo/7134480/

Commute bike: http://www.pinkbike.com/photo/9065383/

Comments

  • Ticaboy
    Ticaboy Posts: 314
    Aren't they both alan key/hex bolts? I took mine off recently (Truvativ), and the front and rear are both alan key, just different sizes.
    GT Avalanche Expert 2006
  • royboy11
    royboy11 Posts: 71
    I took one off that was a slot on the back side that you could use a big common screw driver to keep it from turning.
    Norco Sasquatch '07 - Parts?.. break'em and replace'em

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