Using the same hub guard as the Clutch V2, the Antigram v2 has been updated to address all your grinding needs Using the same hub guard as the Clutch V2, the Antigram v2 has been updated to address all your grinding needs 2014-T6 forged aluminum hub shell 6903RS sealed cartridge ball bearings 9t driver with 3-Pawl independent springs design and precision caged needle bearings Replaceable plastic hub guard included RHD/LHD switchable