64/104BCD MTB Bicycle Crankset 22T 32T 44T Chainring 170mm Crank Arm 39Speed

  
64/104BCD MTB Crankset 22T 32T 44T Triple Speed Bicycle Chainring 170mm Aluminum Crank Arm 39S Chainwheel Bike Parts. Material: Steel(22/32/44T) BCD: 104mm/64mm Feature(only include 22/32/44T):special teeth profiles design is lead to the chain leave the chainring easier when variable speed happened. Secondly, because of the concave and convex design, the chain has an excessive place, so the riding speed can be smoother. Product:BUCKLOS 104BCD Bicycle Crank BCD:104BCD Length:170mm Weight:532.5gCA. Material:Aluminum Alloy Fit BB:Square Hole Fit Chainring:Single/Double/Triple Chainring Compatible With:8/9/10/11 Speed.