Scott Sumner is one of the most devoted Rohloff converts we know. We've set up four of his mountain bikes with SPEEDHUBs, and he says he'll never go back to a derailleur system. He has even convinced a number of his riding buddies to try out the Rohloff internal gear drivetrain, and afterwards they had us build up bikes for them.
Read on to learn why Scott is such a fan of his Rohloff SPEEDHUBs.