Designed for long-distance travel on dirt, great for lightweight XC MTB's or heavy duty gravel rigs Uses an asymmetric rim design than improves spoke tension balance by up to 30% External nipples with a 23mm 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 593.5mm