Headset Bearing Cane Creek Hellbender 52mm 36X45DegHeadset Bearing Cane Creek Hellbender 52mm 36X45Deg All Cane Creek headset bearings are durable, sealed cartridge bearings, and theyre interchangeable between headset series. Simply match the bearing size and drop in your new bearing. (See below for bearing compatibility). We cannot guarantee compatibility with our bearings in a different manufacturers headset. Bearing Compatibility EC44 40 EC49 ZS56 ZS62 IS52