True, but one thing I can only hope we have in the future is compatibility charts like http://sheldonbrown.com/dura-ace.html#indexing http://sheldonbrown.com/du

True, but one thing I can only hope we have in the future is compatibility charts like http://sheldonbrown.com/dura-ace.html#indexing http://sheldonbrown.com/dura-ace.html#indexing and the neat rerouting trick that's described below it... edit: just found this whole page on brand mismatching, written by John Allen on the site in 2011, so there is someone doing updates. http://sheldonbrown.com/drivetrain-mixing.shtml http://sheldonbrown.com/drivetrain-mixing.shtml more edit: @zecho notes that family, friends, and bike shop are updating the site