NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 19t Silver rearder_medcage Compatible with microSHIFT ADVENT 9-speed

Compatible with microSHIFT ADVENT 9-speed drivetrains only

With a comfy carrying handle and straps to even mount on your bicycle

8mm clamp diameter with 93mm width for use with Salsa Anything Cradle and aerobars

Phillips #2

WTB ST i25 TCS 2

NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 19t Silver rearder_medcage Compatible with microSHIFT ADVENT 9-speedSurly 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: 19