Shimano Tourney FC-TY501 cranksets deliver reliable, precise DUAL SIS shifting for MTB.48.8 ChainlineIncludes crank fixing boltPrecision indexed shiftingWide compatibility with multiple components in 6,7, and 8-speedsQ-factor: 185.5mmItem Specifications88Number of ChainringsDoublePedal Spindle9/16"Rings46/30Spindle Interface TypeNoChainline/Hub Compatibility135/142 MTB HubsChainring BCDRivetedColorBlackCrank Intended UseMountainCrank Length (mm)170Defined ColorBlackDrivetrain Speeds7