NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 16t Silver rearder_9speed large and easy-to-read chronograph inspired

large and easy-to-read chronograph inspired gauge with pressure indicator

Maximum Recommended Load: 55lbs (25kg)

It’s a fitting piece for backyard gatherings

120 mm or RST Aerial 110-15

helping to prevent over-bending in your wrist and numbness in your hands

NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 16t Silver rearder_9speed large and easy-to-read chronograph inspiredSurly 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