NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 19t Silver frontder_clamp-31-8mm Compatible with Sora ST-R3030/3503 STI

Compatible with Sora ST-R3030/3503 STI levers

FRAME Orbea Rise OMR 2021 140mm travel 29" C-Boost 12x148

OTTOLOCK is designed for quick stops and protecting against opportunity theft

Aluminum brake and shift levers

NEW Surly Cogs Track Cog Surly Track Cog 1/8'' X 19t Silver frontder_clamp-31-8mm Compatible with Sora ST-R3030/3503 STISurly 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