Originally Posted by Rogue Leader

My bike has a set of ultra torque cranks which has that single bolt deep in the middle holding them together. Is that bolt a 1 time use that I should replace if I decide to remove the cranks (say for cleaning)? I found the bolt online for about $30.

These cranks have been installed for about 5 years, and I'm not sure its "that" dirty down there, but just in case.