E*thirteen Extended Range Cog Compatible with Shimano, 40t - Blue Jackets & Vests Can be cut to fit

Can be cut to fit as needed

- Stock rear spacing is 130mm OL

RC3198 SM4065

120463-Q0-L

HY8330 BR4458 120742

E*thirteen Extended Range Cog Compatible with Shimano, 40t - Blue Jackets & Vests Can be cut to fitExtended range aluminum 40t or 42t cogs to fit either Compatible with Shimano SRAM 10 speed cassettes 42t is compatible with 36t max cassettes while 40t is compatible with 34t max cassettes Remove the existing 17t and add the Extended Range cog without any additional spacers to create an 11 40t, or 11 42 10 speed cassette option Cogs come with a longer replacement B limit screw, to avoid running the derailleur with the stock screw maxed out Intended