9th Wave Cycling MTB wheels, Flex SL model with Berd spokes and DT Swiss 240 S ceramic hubs, 30 mm internal width. Unparalleled comfort and control due to the ultra-low rim profile. For further information, visit the 9thwavecycling.com website. Wheels have a lifetime warranty against manufacturing defects and are in excellent condition as they were alternated with another pair of wheels. Purchased in December 2024. Wheels are hand-built to order only, with a three-month waiting time.