HUB RR MTH 746 32 12x142 6B XD BK BULK Made more affordable by simplifying the hub shell. Same great quality you`ve come to expect from . Aluminum shell, steel axle. Stainless steel cartridge bearings. 6 Bolt disc compatible. Item Specifications: Color: Blk, Brake Type: 6B, Use: RR, Hub Drilling: 32H, CTF-R: 20.4, Spacing / Axle: 12TA, CTF-L: 34, PCD-L: 58, Gears: 11-12s XD, PCD-R: 58, OLD: 142,