This rim is built specifically for the rigorous demand a unicycle puts on a rim. Its the same rim as the double walled eyelet alloy rim.
Features:Width Outside: 42mmWidth Inside: 32mmSpoke Holes: 36ERD: 658.5mmMaterial: High Quality 6061 heat treated aluminum with box sectionConstruction: DoublewallFinish: Black Powdercoat Nipple Eyelets: Stainless SteelWeight: 1087g