Their stems are oversized for a reason

Euro bottom bracket and 10mm rear dropouts (10mm enclosed dropouts on disc frames)

padded back panel

Whether you're running 19mm

TYRES: Arisun 1-1/8”

Profile Blackjack Sprocket supplier_54523173798214 Their stems are oversized forThe 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)