Aluminium Sprocket Nuts M8 x6 Blue Honda VFR800F 1998-2001. Titanium Sprocket Nuts M8 Bi-Hex Lock x6 Black KTM 450 SX-F 2011-2012. Designed for performance and reliability, Aluminium Sprocket Nut is precision-machined from aerospace-grade high tensile anodised aluminium.