e*thirteen EX 42T Extended Range Cog for 10 Speed Shimano/SRAM 36T Cassette - Black B-limit screw (included) Continental - Available as a rear

- Available as a rear brake (right hand)

Season:Spring

Number of Teeth: 100

-Silent drivetrain in all gear positions

quick torque change with spring loaded pull down ring

e*thirteen EX 42T Extended Range Cog for 10 Speed Shimano/SRAM 36T Cassette - Black B-limit screw (included) Continental - Available as a reare*thirteen EX 42T Extended Range Cog for 10 Speed Shimano SRAM 36T Cassette Description: Upgrade your 1x10 drivetrain with the e*thirteen EX 42T Extended Range Cog. This precision engineered aluminum cog allows you to add a massive 42T climbing gear to your existing 10 speed cassette without replacing the entire group set. Features: Material: EXA+ Anodized Aluminum (Lightweight & High Strength). Compatibility: Specifically designed for 10 speed