Completely reinvented the famous ksyrium elite now gets superlight yet wide ism 4d for improved ride quality weight 1550 grams pair without tyre improved ride quality and lightweight 17 mm internal rim width for increased air volume ism 4d superlight rim double butted steel spokes sustainable durability spoke and rim interface are secured with fore drilling sealed cartridge bearings designed to last many miles high end finish 4 color versions stealth black on black black with red hubs and