All-City 1/8" Track Cog (Black) (20T)

All-city's great value, standard track cog available in the most popular sizes.

Features:

• 16t and lower are solid, 17t and higher have cutouts
• Chromoly steel; CNC precision machined
• 1/8" width cogs; Threads are 1.37" x 24 tpi

Specifications:
Cogs: 12T to 22T
Size: 1/2" x 1/8" (Single Speed)
Material: Chromoly
Color: Black
Weight: TBD