Miche 1 8track sprocketthe miche 18 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 18 weight 22g14tplease notedue to the smaller diameter of a 13t sprocket the actual sprocket is threaded and cannot be run with a carrierthe other cogs 14 18t are not supplied with the necessary carrier or lockring a splined adaptor needs to be purchased separately which screws