... M22 Application:motorcycle Material:pure or alloy titanium titanium chain ring bolt a, Bolt sizes:M3-M22*length5mm~160mm b, ... Nut sizes:M3-M30 C,Washer size:M3-M30Standard:GB,DIN,ASME,BSW,UNC, ... ,Chese,Fillister,flangeDrive codeA:Slotted(Minus)B:Phillips(Plus)C:phil-SlotD:Hex ScoketE:Hex buttonF:AllenG:Torx etcAdvantage: ... you are interested in any item. titanium chain ring bolt