E*Thirteen - Extended Range 42T Shimano - 40 Black - Black

Extend you range today with the e*thirteen Extended Range 42t SRAM Cog. Compatible with SRAM cogs, this anodized aluminum is here to keep you going smoothly and won&';t flex under pressure. Snag this cog today and start ripping hills with speed and better range. Specifications Includes longer replacement B-limit screw for derailleurs: helps keep the B-limit from max out Weight: 77g Color: Black Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed Intended Cassette Compatibility: SRAM Tooth Count: 42 Ring Position/Type: Inner Drivetrain Speeds: 10