Install 24mm (Shimano, FSA, Etc.) cranks into PF30 frames without adapters! Threaded design = easy install and removal. Fits 68-73mm width shells. Made in the USA. Machined, anodized black aluminum cups. Enduro ABEC 3 sealed bearings. Dual silicone seal keeps the contamination out for longer life. Will accept current 24mm spindle cranksets (Shimano, FSA, Etc.). No adapters needed. Packaged for retail display.