DUKE LUCKY JACK 29er RIM:The first 29er carbon rim for Tubeless Ready tires and Notubes system.Rim made under JPRACING requests and design.With an exceptional weight of 340g and a big stiffness.- HM carbon- 29" tubeless ready- 325g- For disc brakes- Asymetrical profil- 28 and 32 holes- Width: 27mm- Height: 24,5mm- Presta valve- Maximum spoke tension 1150 N- Available with white or silver ghost stickers (see pictures)