Snafu mayweather cranks the snafu mayweather cranks feature straight gauge 4130 chromoly arms with 1 pc spindlesprocket bosses pedal boss gussets 48 spline hollow heat treated chromoly spindle regular and nano drive sprocket bolt positions in both arms and flush mount spindle bolts rhdlhd compatible note includes arms spindle and bolts only specifications spindle 19mm hollow chromoly spindle bolts 38x24tpi flush mount x2 spindle splines 48 sprocket bolt 10x1 5mm x18x1 25mm