Sugino Gigas Track Bike Cog (NJS)

The NJS approved GIGAS keirin track racing cog from Sugino.
Unlike the rare 12 tooth smaller version, these cogs are made from Titanium coated alloy.
Ultra light, perfectly round, and very smooth; the GIGAS cog is hands down the highest quality NJS approved cog.
Available from 13T-16T.