DIA-COMPE™ have been manufacturing Gran Compe™ components since the 1970s, building on a legacy that began in the 1930s. Nearly a century later, their reputation for timeless design and dependable function continues. We are proud to offer these systems for riders who appreciate classic aesthetics, mechanical simplicity and a timeless durability that never goes out of style. A perfect match for your vintage steel frame that will still be rolling decades from now. CHAINRING OPTIONS Available in: * Single chainring / rear derailleur only * Double and triple chainring versions for front and rear derailleur setups All versions include left and right brake levers. SHIFT LEVER OPTIONS Choose: * Naked — no shift levers installed, allowing you to mount your own compatible vintage levers * Dia-Compe Road Friction — supplied complete with installed friction shifters HOOD COLORS Available in vintage Gum or classic Black. All levers are silver, as pictured. COMPATIBILITY NOTE Modern MTB-style shift levers designed for newer derailleurs (such as many Microshift models) will not fit these mounts. For larger modern shifters, see our OM shift systems, which are designed to accommodate a much wider range of lever types 100% Satisfaction Guarantee Ride them for 30 days and if they're not right for you, return them for a full refund — no hassle, any reason, any condition.