Tange-Seiki: Technoglide ZS225 Semi Integrated Headset in Black. 1 1/8 - 1 1/2-BLACK -1 1/8 - 1 1/2 1 1/8-1 1/2Zero stack system on tapered headtubeTange Seiki original sized 4T5 cartridge bearing upperTange Seiki original sized 1.5” cartridge bearing lower1 1/8” & 1.5” tapered fork and headtubeFully sealed mechanismBearing compatibility: #1508 upper #1728 lower cartridges (see accessories for spares)
