Profile Racing Blackjack Sprocket

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Reintroducing the 2016 Profile Blackjack sprocket- celebrating 18 years since its inception! Same price as in 1998! Bolt on style only. -Fits 19mm, 22mm, & 24mm axles: Bore size is 24mm and supplied with 19mm & 22mm adapters. Sizes: 25t, 28t, 30t with 1/8″ tooth width Show more