700c road disc bike rim asymmetrical 2.5mm offset clincher tubeless ready Item D18-38X, weight 400g, ERD 569. This disc rim features an asymmetrical rim shape. Asymmetrical rims with offset nipple bed benefit to overall wheel strength by proper balancing of the spoke bracing angles from one flange to the other. details Aero disc road bike rim 28mm wide 50mm deep clincher tubeless Item D21-50, weig