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double hex single ring chainring bolts?

3K views 7 replies 3 participants last post by  customfab 
#1 ·
can anyone link me double hex single ring chainring bolts? I've been using the Origin-8 which one of the chainring holes I can't get tight enough even using the special park tool. I've broken two bolts as well.
 
#4 ·
I grease the threads and the shoulders of the bolt ends where they contact the chainring and crankarms. This allows them to torque without stiction and I've never had any problems getting them as tight as needed this way, unless the bolt was slightly too thick.
 
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