The tubeless wts that is ready for any adventure ust compliant super wide 19 mm internal rim width for increased air volume to improve comfort and traction on a range of surfaces can also be used with 288 mm yksion elite guard on paved roads or 30 mm yksion elite allroad on gravel tracks the highest strength to weight ratio 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 being qr a