... 24holes for rear rim.Height:36mm Material:Carbon Hub weight:77g for front and 245g for rear ... order,please leave messages of following information1.Which hub colors you need2.Which spoke color you need3. ... example:DF wheel-36-c,3k matt ,black hub,black spoke,black nipple Once we seeing your ... visiting. Have a nice day! 50mm carbon road bike wheel,carbon road rims/include brakepads and quick release