2014-T6 forged aluminum hub shell6903RS sealed cartridge ball bearings9-T driver with 3-Pawn independent springs design and precision caged needle bearingsRHD/LHD switchable Achsen OPTIONEN14mm, 4130 chromoly axle bolts w/17mm 4130 chromoly female axle10mm (3/8"), 4130 chromoly axle bolts w/17mm 7075-T6 aluminum female axle Gewicht:14mm Chromoly Axle: 411g3/8" Aluminum Axle: 354g