Farbetter 1-1/8" Heavy Duty Headset Top Cap Bearings, 34mm/ 44mm Diameter Threadless Stem Tapered Sealed BMX Bearing Nuts (44mm) : Amazon.co.uk: Sports & Outdoors
1-1/8'' Threadless Bike Headset for Bikes Fork,with Spacers Star Nut Stem Cap and Bearings,MTB Mountain Race Bicycle BMX Scooter Headset Parts 34mm : Amazon.co.uk: Sports & Outdoors
TANGE COMPONENTS HEADSET 1" LEVIN CHROME - The Bike Factory
43mm Sealed Cartridge Bearings, Road Bike Headset Fork Steerer Headset Parts | eBay