The tubeless wheel tyre system ready for any adventure whether you39re riding on paved roads or gravel terrain the ust compliant 19mm rim allows for a wide range of tyre sizes to ensure maximum grip and comfort strength to weight ratio of any ksyrium zicral spokes and ism 4d rims make for a lightweight wheel that is durable enough to rely on the new instant drive 360 freewheel system is tough and light disc brake specific wheelset using 24 spokes brake torque distribution is more even t