
Specialized Zerostack Headset Spacer 4.5mm Features
HDS COMPLETE, ZS44/28.6MM TOP, ZS44/30MM ANTI-GAP BOTTOM, 5/32" LOOSE BALL UPPER & LOWER BRGS, 50MM COVER, W/ SPLIT CROWN RACE (VP SBC-2011)

HDS COMPLETE, ZS44/28.6MM TOP, ZS44/30MM ANTI-GAP BOTTOM, 5/32" LOOSE BALL UPPER & LOWER BRGS, 50MM COVER, W/ SPLIT CROWN RACE (VP SBC-2011)