Built a rear wheel with XR331 rim June 12, 2021 Another day of wheel building (and so on).I built up the rear wheel using a DT XR331 rim and Shimano RS770 hub.Neither the rim nor the hub are new.FH-RS770 28H black half-comp 46J JIS laced with spoke tape. Related Products on Amazon 🛒 Road Bike Wheelsets * Amazon affiliate links — prices may vary