The ECLAT Locator Rim features exclusive LOCATOR Technology with a Dome-shaped Profile that strengthens Spoke Holes and ensures precise Spoke Slignment. This Design creates a lighter, stronger rim ideal for Expert-level Wheel Building. Material:6061-T6, flash welded Size:34mm width x 16mm height, 36h (spokeholes) Diameter: 419, ERD 389, ETRTO 406 Features• NEW lightweight rim with ECLAT exclusive LOCATOR technology • unique dome structure around spoke hole allows for increased material and better spoke angle alignment• strong, lightweight double wall design• thick side walls to prevent dents on hang-ups• straight side walls for brake use Weight:436g / 15.3oz