Stiff, strong carbon rim built for the rigors of Enduro racing and all-around trail riding. Uses an asymmetric rim design than improves spoke tension balance by up to 30%. External nipples with a 25mm depth . For use with standard tires/tubeless ready. Compatible with tubeless tape and valve stem (both sold separately). * ERD measurement includes slotted external nipple dimension, spoke bed diameter measurement is 591.5mm