Surly Track Cog 1/8'' X 16t Silver Bike Accessories_Kickstands Drivetrain Rear Derailleur: 7-speed Shimano

Drivetrain Rear Derailleur: 7-speed Shimano Tourney

year after year

7Nm (42 inlbf)

if you’ve never met a sports drink you wanted to take home

SecureClick™ Brackets

Surly Track Cog 1/8'' X 16t Silver Bike Accessories_Kickstands Drivetrain Rear Derailleur: 7-speed ShimanoSurly 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 Tooth Count: 16