shsyue 42/34/24T Mountain Bicycle Bike Road MTB Crankset 170mm 7/8 Speed Aluminum BlackCrankset Bike Crank Arm Mountain MTB 170mm Square Taper Crankset,Bicycle Crankset 24/34/42T with Chainring Crankarms,Crank Set Chainset for Road Bike Shimano,SRAM,FSA GaintFeatures of shsyue 42/34/24T Mountain Bicycle Bike Road MTB Crankset 170mm 7/8 Speed Alumin..