Headset Alu NECO A-HEAD 1-1/8"x34x30 H711-AL silver

External cup aluminium/steel headset for threadless 1 1/8" (28.6 mm) forks Size: 1 1/8" x 34 x 30 For forks with outside diameter: 28.6 mm (1 1/8") For head tubes with internal diameter: 34 mm For fork crown outside diameter: 30 mm For stem inside diameter: 28.6 mm (1 1/8") Cartridge sealed ball bearings: CBB-418 (OD Ų41.8x45°x45°) 6061/T6 CNC machined aluminium top cover and cups Steel cold-forged crown race 10 parts: crown race, 2 cartridge ball bearings, 2 cups, compression ring, upper seal, top cap, star nut, cap bolt Weight: 112 g Stack height: 29 mm Packed in a box Headset parts placing from the bottom: Crown race, ball bearings with seal down, lower cup, star nut, upper cup, ball bearings with seal up, seal, compression ring, top cap, cap bolt