FIXIE 16 TEETH 1/8CP SPROCKET COG FOR FIXED WHEEL BIKES & FLIP FLOP WHEELSGREAT QUALITY REPLACEMENT 16 TEETH FIXED SPROCKET FOR FIXED WHEEL HUBSEASY TO REPLACE IF YOU FANCY A CHANGE IN GEAR RATIOMADE TO BE USED WITH A 1/8CHAIN ( this size is a normal wide single speed chain , if in doubt ask us )THIS 16 TEETH SPROCKET IS GREAT QUALITYCHROME PLATED FOR EXTRA SMART LOOKSWEIGHS: 70grams (approx)WE ALSO HAVE OTHER SIZES AVAILABLE, WE ALSO HAVE THIS SIZE FOR NARROW 3/32CHAINS PLEASE SEE OUR OTHER LISTINGS OR ASK US