Gear Pro Bike Gallery: John Degenkolb’s custom, stage-winning Felt Prototype C50 tubular wheels adorn the German's custom F1 look-alike, which Felt built with a non-standard carbon layup Share this Facebook Icon Twitter Icon Email Icon Join VeloNews.com Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In Join VeloNews.com Create a personalized feed and bookmark your favorites. Join for free Already have an account? Sign In Yes, some Dura-Ace crankarms can work with Ultegra arms, and no, bottom bracket threads aren’t backwards. Photo: Caley Fretz | VeloNews.com
