Are you looking for a shimano crankkel tourney cg triple 24-34-42 170 mm zw. -4 mmyou will find more information about this item below. Do you have any questions? Please contact customer service Decathlon.crank set 42/34/24 shimano -7mm fc-ty501 product specifications brand: shimano shimano group: shimano shimano group code: ty501 model code shimano: fc-ty501 model year: 2017 crank length: 170 mm vertanding: 42-34-24t number of poor: 4-arm number of chains: triple number of gears: 6/7/8 chain guard: with chain guard chain line: 47.5 mm material: steel fits square bottom bracket color: black successor to shimano fc-m171 (item 310165)