The sram s600 3x8 speed 175mm powerspline chainset has a crank arm length of 175mm and a 42 32 22t arrangement of chainring sizes sram s600 3x8 speed 175mm powerspline chainset features powerspline drivetrain suitable for 8 and 9 speed bikes forged alloy construction powerspline bottom bracket interface 175mm crank arm length 42 32 22t arrangement of chainring sizes