'Crank Set FCS752 44 teeth 170 mm silver with chain guard teeth, ; 44 teeth for necklace 1/2 "x 3/32 Material Aluminium Length ; 170 mm Bearing , square bottom bracket tool chain cover , dual density hole circle diameter 104 mm Packaging 100% single carton Specification::. 170 mm with protective chain colour: silver size (Height x Width x Depth):
