FC-TY501 SHIMANO TOURNEY TY - MTB Crankset - 185.5 mm Q-Factor - 3x8/7/6-speed Compatible with a 3x8, 3x7, and 3x6 speed drivetrains, the SHIMANO TOURNEY TY crank delivers reliable, precise DUAL SIS shifting. Light and reliable shifting Precision indexed shifting DUAL SIS Versatile performance Wide compatibility with multiple components 8/7/6-speed compatible 3 crank length specification available Quick and precise assembly Precise chain line control