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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
High-performance tire with unique characteristics of grip in all weather conditions be they dry or wet plus a high level of puncture protection
AB0030: 12t pulley set with 4mm upper & 5mm lower bolt-holes is designed as direct fit upgrade for SRAM 12 speed road and gravel derailleurs
5" ISO Width (mm) 50 Labeled Size 27
Thick-Thin tooth design
Model Lock Holster Description U-Lock Belt Holster Color Black
Surly Track Cog 1/8'' X 19t Silver MFPN=8030819354430 High-performance tire with unique characteristicsSurly 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 Size 1 8''
