ZIPP Headset Spacer Set, UD Carbon:~ Precise spacers keep your headset tight, and provide correct bike handling and component life. Lightweight and precisely parallel, Zipp carbon headset spacers are precision ground to keep your fork secure through every twist, turn and bump in the road. 1-1/8-inch diameter in 4, 8, 12, and 30 mm heights.
• Lightweight and precisely parallel to keep the fork/headset/cockpit secure and smooth.
• Unidirectional carbon fiber construction (no visible cross-weave) with a white Zipp logo to match other Zipp UD-carbon components.
• Set includes 1-1/8" spacers: 2) 4mm, 1) 8mm, 1) 12mm, 1) 30mm.
• Package: 5/bag