Upper: 1-1/8", 36°/ 45° ACB (Blue seal)Lower: 7/32" x 20 caged ball bearings286mm stack height
Gravity DX Tapered Headset is an alloy top cover, upper sealed sealed bearing and lower caged bearings. 242g.
Brand: Unknown, Model: 130-0010, Size: Upper: 44mm I.D. Lower: 49.57mm I.D., Steerer Tube: 1-1/8 - 1.5-Inch Tapered