Here's some simple ways to make your existing cassette lighter:
Aluminium lockring: 4,2g
Only available in red colour. Fits on final 11t cogs. This lockring saves 9g ! on lower-line cassettes which come with steel lockrings that weigh 13g.(Shimano XT,LX,STX,etc... and Shimano Ultegra,105,..etc)
Aluminium Lockring (red only): 8 Euro
Titanium 11t cog: 4,5g
This cnc'd 11t cog is full titanium and saves 4,5g over standard steel 11t cogs (Shimano/Sram 9g)
11t Titanium cog: 20 Euro
Individual Titanium cogs 12t - 20t:
Precisely cnc'd Titanium cogs.
12t-20t titanium cogs: 15 Euro
Plastic spacer: 1,0g
2,70mm , fit between Titanium cogs (only available for 9s)
plastic spacers: 2 Euro/pc.
A tuned XTR CS-M980 11-32 Cassette outfitted with these cogs+spacers weighs just 189g (standard weight 223g)
Interested? Just get in touch with me: