The C5 is a strong, drive switchable, affordably priced cassette hub with a 14mm chromoly male axleLHD/RHD compatible 9T driver rolls on three precision, sealed cartridge bearingsReplaceable plastic hub guard is included14mm, 4130 chromoly hollow axle, w/6mm hex broaching6903 sealed cartridge hub shell bearingsRR1s w9t Driver36HB/O 14mmAlyBlkRIM110mm49493027UPC/EAN/GTIN: 630950921263