New from Profile is this hollow cr-mo "gun drilled"spindle. The spindle is still gauranteed for life by profile but saves you a lot of weight. Comes with specific large flush bolts and washers.
Shadow Noctis alloy bolt
ANML Akimbo Crank Spindle Bolts
Shadow Noctis hollow spline spindle
Shadow Noctis hollow butted spline spindle