DB Onyx Ultra SS Decimal Cromoly Cogs 15.3 to 18.8 chainrings and fastest BMX carbon fibre

and fastest BMX carbon fibre rims on the market

Cold-forged & CNC-machined carbon steel for durability

Precision CNC Machined from solid black 6061-T6 aluminum and anodized

DB Offset Reversible Cog made of 7075-T6

giving you a competitive edge on the track

DB Onyx Ultra SS Decimal Cromoly Cogs 15.3 to 18.8 chainrings and fastest BMX carbon fibreDecimals ! Specially 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: 15. 3T, 15.