Check the listing for details. Classic Cruiser Bicycle Headset for 1" Threaded Fork BMX Lowrider Chopper New. Condition: New. Listed at 18.99 USD. There are a lot of new items in my EBay store, please have a visit. Thanks New Classic Cruiser Head Set 22.2mm x 32.5mm x 27mm. This Head Set works with 1" threaded forks. The Cups fit a Classic Cruiser Head Tube that has a 32.5 mm or 1 9/32" opening "also AKA Cup Diameter". The top Nut has a 22.2mm or 7/8" opening for stems of that size ( the fork must also have the 22.2mm or 7/8" opening for the stem to work) . The bearings are 15 x 3/16" ball retainers. The Washer is either keyed or non keyed. The Bottom Crown Race fits Vintage and Newer forks with a 27mm or 1 1/16" race lip. The 27mm or 1 1/16" crown race size is Common to most New Import Forks Like: Tubular Cruiser, Springer Forks, and Triple tree and Lugged forks. A 27mm Crown Race DOES NOT Fit Schwinn Bladed Forks and Schwinn Springer forks. Available in Black, Chrome and Gold.