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Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
400mm² platform area for maximum power transfer and greater pedal stability
Stylish construction of aluminum resistance unit
Cassette Body Type Threaded Standard 1
Crankset : All-City 612 Track Crank
Cassette Body Type: Threaded Metric 30 x 1mm
NEW Surly Cogs Track Cog Surly Track Cog 3/32'' X 17t Silver hydraulic-fluid-type_mineral-oil 400mm² platform area for maximumSurly 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
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