Zipp Headset Spacer Set, UD Carbon (4mm x 2, 8mm x 1, 12mm x1, 30mm x 1) Carbon SET Headset Stack Spacer

00.1915.124.010 Zipp Headset Spacer Set, UD Carbon (4mm x 2, 8mm x 1, 12mm x1, 30mm x 1) Headset Stack Spacer SET Carbon Color Carbon Material Carbon Defined Color Black S.H.I.S. Stem Clamp Diameter 28.6