The ELEVN Tapered integrated BMX headset is specifically designed for frames with tapered headtube (1.5″ bottom – 1-1/8″ top).
 
Integrated Tapered headset alloy 6061 with light compressor custom kit with ultra smooth sealed bearings.

Each headset includes a 1 1/8 top and 1.5 bottom bearing, fully CNC’d alloy top cap, star nut and compression bolt, with 2 7075 alloy fork races – One for a 1.5 steer tube lower fork race, and one for a 1 1/8th steer tube lower fork race that allows you to convert the fork to work with a 1.5 lower headtube. Either lower race requires you to use the 1.5 lower bearing that comes with the headset.