FSA Gravity SX Pro Headset for tapered Steerers ZS44/28.6 | ZS55/40

The Gravity SX Pro is a semi-integrated headset for tapered head tubes and 1 1/8 to 1.5 inch tapered forks. The bearing takes place via sealed cartridge bearings. Furthermore the Gravity SX Pro is also prepared for tapered head tubes via asymmetrical, semi-integrated bearing cups. The upper cup is made of forged aluminium, the lower cup consists of durable chromoly steel. Suited for head tubes with 44 mm inner diameter on the top and 55 mm inner diameter at the bottom. Finish: black anodized with laser etched logos. The FSA configurator easyHeadset makes it easier to choose the right headset. Construction type (Ahead/Thread): Ahead Material: upper bearing cup: aluminium, lower bearing cup: chromoly steel Weight supplement: manufacturer information