1" Threaded Bike Headset- Forged and CNC machined 6061/T6 alloy cups- 21.15 x 32.5 x 26.4 x 24TPI- Sealed Bearings- Crown Race Diameter: 26.4mm- Stack Height: 25.9+12.1=38mm 1mm- Weight: 107g- Made in Taiwan- Color: Red (as pic. shown)