Profile No Boss CranksetProfile's legendary Race Cranks are now available in a No Sprocket Boss version giving them a much cleaner look, with less welded areas to go wrong. You will need to run these with a Spline Drive Sprocket or Spider, apart from that minor drawback for some these cranks are still USA made from 4130 chromoly with a heat treated, gun drilled hollow, 48 spline spindle so they're still some of the best cranks around without a doubt. They now come with the