"The Brand-X 44IISS Headset has an Internal (Zero Stack) 44mm Upper Cup and an Internal (Zero Stack) 44mm Lower Cup for use with 1'1/8" Straight fork Steerers in bikes with 44mm headtubes. It uses sealed angular contact bearings and has been designed to offer superior reliability, quality and performance at an exceptional price point.
Angular contact sealed bearings
Height: 9.1 ± 1mm
Material: CNC Forged and Machined 6061 Alloy
SHIS Norm: ZS44/28.6 | ZS44 / 30
Includes: Top cap and Star Nut