Stronglight headset 1 1/8 for 42 mm frrames - 30,74€ : Cyclebrother.com - Cyclebrother.com
Buy Juscycling Bike External Bearing Headset for 44mm Straight Head Tube with 28.6mm Straight Fork or 1.5 Inch Standard Taper Fork Online in Taiwan. B092QV4B6K
Wolf Tooth add IS Premium Headsets for Specialized 42mm upper bearing diameters - Bikerumor
Chris King Dropset 2 MTB Bearing Tapered Headset 42mm-52mm 45x45 4 colors | eBay
42/41.8-52mm Bike Bearings Taper Headset Straight/Tapered tube for 28.6mm fork - Walmart.com