DB Onyx Ultra SS Decimal Cromoly Cogs 15.3 to 18.8 chainrings Cold-forged & CNC-machined carbon steel

Cold-forged & CNC-machined carbon steel for durability

• 24 x 1-3/8 → 32g

giving you a competitive edge on the track

Process: CNC-Machined Cups

115mm and 118mm lengths

DB Onyx Ultra SS Decimal Cromoly Cogs 15.3 to 18.8 chainrings Cold-forged & CNC-machined carbon steelDecimals ! 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.