Onyx Ultra SS Chromoly Cog 15T-18T Size:16T Length: 41mm

Length: 41mm

Weight (108–113 mm): 141 to 152 grams

With 19 colour combos to choose from at only 83g and priced at $54 these little guys are fantastic value and a perfect upgrade

Dangerboy seat clamp included

and a JIS tapered spindle offered in 105mm

Onyx Ultra SS Chromoly Cog 15T-18T Size:16T Length: 41mmSpecially developed for BMX Racing, the DB cogs are made of heat treated stainless steel for better durability and strength. DB Single Speed Chromoly Cogs are CNC machined designed to fit Onyx Ultra SS compatible cassette hubs and has a 5mm wide inner base, giving a more solid interface with the cassette body. Material: Heat Treated Chromoly Steel Process: CNC Machined Finish: Raw Stainless steel w Laser Etched DB Graphics Size: 15T, 16T, 17T, 18T