Hellbender Lite bearings have an improved seal structure and are cross-compatible with Cane Creek headsets. Lightweight aluminum/steel hybrid Hellbender Lite bearings are 30% lighter than conventional headset bearings Designed specifically for the 2024 Specialized Epic World Cup and Stumpjumper 15 Includes (1) 49.5/40.5 Upper Bearing and (1) 52/40 Lower Bearing For use with the existing bearing cover and compression ring