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TRP HY/RD disc brake calipers have the power and modulation of hydraulic disc brakes
Color Black Defined Color Black ISO Diameter 584 / 650b / 27
6 Color Black Defined Color Black Includes Star Nut No
Cassette Body Type Shimano/SRAM 8 9 10 Speed Cassette Cogs 12-13-15-17-19-22-25-28-32-36 Drivetrain Speeds 10 Range 12-36 Color Silver Defined Color Silver
Made from 7075-T6 aluminum for long life
Surly Track Cog 1/8'' X 16t Silver road / mountain TRP HY/RD disc brake calipersSurly Track Cog 1 8'' X 16t Silver. Surly track cogs are threaded the same as a BMX freewheel (1. 375 x 24 tpi right hand threads). This means that they will fit on single speed rear hubs as well as BMX freewheel hubs but this application is not recommended. Track cogs are meant to work on track hubs only. 415 hardened chromoly steel 1. 375" x 24 tpi Photo for color and material reference only TECH SPECS Tooth Count 16
