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All-City 21T x 1/8" Track Cog Black

This product is no longer available for sale. The last date it was available was 4/21/2016.

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Find Track Cog made by All-City

AEBike Part Number: FW4761
Manufacturer:  All-City
Manufacturer Part Number: 
UPC: 708752075719

Great value, standard track cog available in the four most popular sizes
  • Chromoly steel; CNC precision machined
  • 1/8" width cogs; Threads are 1.37" x 24 tpi
  • 16t and lower are solid, 17t and higher have cutouts
Item Specifications
Cassette Body TypeThreaded Track
Chain Compatibility1/2" x 1/8"

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