Whether you're running 19mm

6061-T6 alloy with a durable 4-spoke design that really creates that rigid strength

hidden keyclip and that iconic Dickies logo patch

padded back panel

Profile Blackjack Sprocket supplier_54523173798214 Whether you're running 19mmThe Profile Blackjack Sprocket has been around since the late 90s and is still going strong today! Built from 6061 aluminium for strength and durability, it comes with a 24mm bore size with included adapters for 19mm and 22mm axles. The Black Jacke Sprocket is finished with an anodised black colourway and laser etched card suit graphics. ###section### Product Specs TYPE: Bolt On MATERIAL: Alloy WEIGHT: 76g (2. 72oz)