Snafu mayweather cranks jet fuel1 one pieced forged and broached spindle boss with two tuck pin holes drilled and machined 916 inch pedal boss with tig welded gusset left hand and right hand drive compatible hollow heat treated 4130 chromoly 48 spline spindle works with spanish mid euro bottom brackets bottom bracket sold separately features material 4130 chromoly hardware grade 8 center bolts and tuck pin pedal boss 916 length 175mm weight 842g 1lb 135oz buysnafu compone