The FSA Gravity DX Pro Headset features a forged alloy upper cup and steel lower cup, also comes with a alloy top cover. The FSA Gravity DX Pro Headset is designed for a tapered head tube and a 1 1/8″ to 1.5″ tapered fork.
• Headset specification: Internal ZS 1-1/8″ 36/45 degree angular contact bearing (ACB) upper, and external 1.5″ industrial cartridge bearing lower
• Fork specification: 1-1/8″ upper and 1.5″ lower
• Upper Zero-Stack cup presses into headtube
• Lower 1.5″, standard cup
Brand: FSA