They have a Flex-Core Zone which allows the Nylon Pad to conform to the curvature of the rim during use for maximum distribution of load

such as a sleeping bag or a tent

A true high-performance product

even compared to the Luftkappe)

Hope Pro 4 Front 6 Bolt Disc Hub - 20x110mm - 32 Hole - Orange Virtual Parent They have a Flex-Core ZoneThe Pro 4 is an incredibly versatile and easily serviceable hub that builds upon Hope's reputation for bulletproof quality and attention to detail. The hubs are machined from a single billet of 2014 T6 aluminium and run on stainless steel sealed cartridge bearings for smooth running and outstanding reliability. Specs: 15mm axle. Sealed stainless steel cartridge bearings. Hub shell machined from forged aluminium billet. Standard 6 bolt disc fitting.