Extended range aluminum cog for those wanting 1x10 with a full range of gears
WQ
2271 through WQ
2278 fits Shimano XT/XTR 11
36t (M771/M980)
WQ
2266 and WQ
2269 fit SRAM X5/X7/X9/X0 11
36t 10sp cassettes (not compatible with 2011 and older SRAM derailleurs)
Requires removal of the 17t or 15t cog and spacer from existing cassette
Longer B
screw (sold separately, WQ
2299) only needed for about 50% of Shimano derailleurs
May require a longer 10sp chain. Very tight fit on Stans 330 rear hub splines
Made in the USA from 7075
T6 aluminum alloy