Imprecise spacers can cause your headset to loosen, affecting 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. Set includes 1 of each : 4, 8, 12, and 30mm heights.

4 mm x 2. 30 mm x 1. 12 mm x 1. 4 mm x 2.

Date First Available: January 1, 2011. Best Sellers Rank: #435,172 in Sports & Outdoors. Customer Reviews: 4.8 out of 5 stars 35 ratings 4.8 out of 5 stars. : B0063HDQC8. Size: ?4mm, 8mm, 12mm, 30mm. Model Year: ?2014. Part Number: ?ZPHEAD124010. Manufacturer: ?Zipp. Number of Items: ?1. Brand Name: ?Zipp. Item Weight: ?0.03 Pounds. Item Dimensions LxWxH: ?4.5 x 7.5 x 2 inches. Package Weight: ?0.04 Pounds. Item Package Dimensions L x W x H: ?6.89 x 4.72 x 1.38 inches.