Shimano FC-M171 Altus Crankset (Black, 170-mm 42/34/24T 6/7/8 Speed) Go to amazon.com Related posts The 11 best cranksets shimano for 2022 FeatureRiveted chainringsSquare taper interfaceWith plastic chaingaurdShimano Reference Number: FC-M171 DescriptionShimano Altus crank sets is a budget crankset that has many features of high quality cranks at an affordable price.