Phil Wood track cog
Phil Wood cogs are manufactured from solid stainless steel bars and heat-treated three separate times and have a high-polished finish.
FYI: All track cogs have 1.370"x24tpi threading. ALL OF THEM. Any threaded cog can be used on any threaded track hub.
• made in USA
• standard 1.370"x24tpi English threading
• 1/2 X 1/8"
• 13-20t
