Originally Posted by
BTinNYC
I'm pretty sure that tool does nothing for a 6800 crankset, and the chainring bolts require a torx T-30 driver. The tool is needed for older bolts.
A Torx and not a regular hex Allen wrench? I hate when I have to buy a tool to use for 5 minutes, then again in 5 years when I am sure to have lost it.