Promax PI-2 Alloy cartridge bearing 1 1/8' press in headset

The PI-2 headset features hybrid aluminum and steel construction. The top cap, upper bearing cover and lower race are CNC-machined from aluminum alloy while the cups are made from steel. This construction results in a high-quality headset at a lower cost. Each headset is fitted with smooth rolling, sealed, cartridge bearings. Available in black with anodized red, blue, gold and black aluminum parts, in 1” and 1 1/8” sizes. 1”-PX-HS1300P21: 152 grams/5.36 ounces 1 1/8”-PX-HS13P2118: 165 grams/5.82 ounces