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Color Black Ring Position/Type Chain Retaining Single Ring Tooth Count 40 Round or Oval Round Drivetrain Speeds 11 Chainring BCD 110 Shimano Asymmetric Material Aluminum Defined Color Black
Grandma Bernie always made sure we were cozy and happy
Disc brakes can make noise in some conditions
6 inches (6
Surly Track Cog 1/8 X 19t Silver MFPN=12080111 Color Black Ring Position/Type ChainSurly Track Cog 1 8 X 19t 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 19
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