Material: Aluminum alloy 6061, Anode heat treatment color presentation length: 170 mm Tooth number:48T 6061-T6, 4mm aluminum CNC smooth grinding BCD: 130MM. BB Axis: Aluminum frame suit for 110.5mm, Steel frame suit for 107mm.
Weight:655g732g Applicable BB: 103mm/107mm/110.5mm/113mm/117mm Package: 1 set Crankset.