Miche 3 32 track sprocketthe miche 332 track sprocket is made from heat treated chrome plated steel and fits standard single speed and track hubs features material heat treated chrome plated steel thickness 332 weight 22g14tplease note these cogs are not supplied with the necessary carrier or lockring in order to make these sprockets compatible with threaded hubs a splined adaptor needs to be screwed onto the hub just like a normal cog first once the adaptor is fitted you can t