1 1/8″ Threadless External Headset Sealed Cartridge Bearings 1-1/8″x34mmx30mm Black or Silver

1 1/8″ Threadless External Headset Sealed Cartridge Bearings 1-1/8″x34mmx30mm Black or Silver

The Latest in Sealed Cartridge bearing tecnology!!
Locking tension adjuster, spacer,
upper cone, upper bearing, upper cup, lower cup,
lower bearing,crown race. 1-1/8″x34mmx30mm.
1 1/8inch diameter fork tube, 28.5mm
34mm cup diameter frame inner diameter
Material: 6061AL-T6 Aluminum alloy
Color: Silver or Black
Outer diameter: 45mm / 1.77in
Crown race diameter: 30mm / 1.18in
Cartridge bearing diameter: 34mm / 1.34in
Stack height: 52mm / 2.05in
Weight: 4oz