Product Details: <br />Shimano FC-M4050 Crankset (Hollowtech 170mm) <br />Shimano SM-BB51 Bottom Backet <br />Shimano M4000 Shift Levers (3x9S) <br />Shimano M4000 Front Derailleur(34.9mm)<br />Shimano M4000 Shadow Rear Derailleur(Long Cage) <br />Shimano HG50-9 Cassette <br />Shimano HG53 Chain