The tubeless wheel tyre system that is ready for any adventure ust compliant super wide 19 mm internal rim width for increased air volume this will improve comfort and traction on a range of surfaces the usual strength to weight ratio of any ksyrium superlight ism 4d rims only 430 grams each with super light zicral spokes make for a light fast accelerating wheelset disc brake specific wheelset 24 spokes front and rear with both wheels being qr adaptable to fit almost any bike ism an exclu