This PressFit 30 BBRight to 24mm bottom bracket is for you IF you have a Cervelo BBRight type frame that has a non threaded road bike shell that measures at a 79 mm shell width and a 46 mm inner diameter. This is a Rotor alloy cup that houses your choice of bearing, no adapters necessary. In this standard we have steel and ceramic options to choose from. As well please note if you would like the 24 mm spindle or the GXP option.