Make your move to 1X and crush the steepest climbs with the EX cog.
Shifts stay crisp thanks to e*thirteen shift know-howåÊand the anodized aluminum resists flex under heavy power. Pair with a dual width Guidering M and you are ready to go.
What's in the box: EXåÊCog, long B-limit screw
|Ring Sizes||40t, 42t Shimano‰ã¢ ‰ÛÒ 42t Sram‰ã¢|
|Features||Replaces 15t or 17t cog on existing cassette. Extra strong at base to prevent flex, stand-offs brace EX cog against caså_sette rings or carrier. Includes longer B-limit screw for proper adjustment.|
|Color||Black, Red, Blue|
|Weight||70g (40t) 77g (42t)|