Zipp Aluminum Stem Top Cap with T25 Bolt new-arrival Material: High-modulus carbon fiber

Material: High-modulus carbon fiber

Wide-mouth opening for easy filling and cleaning

Whether you're diving into open-water triathlons

Both races put this new tire to the test — the time trial with its long flat straightaways and the Paris-Roubaix with its wet cobbles

Organic pad compound

Zipp Aluminum Stem Top Cap with T25 Bolt new-arrival Material: High-modulus carbon fiberThe Zipp stem top cap and bolt are designed to work specifically with Zipp stems to add the finishing touch to your cockpit. Material: Cap 6000 series Al, Steel Bolt 8g aluminum cap and 9g bolt The bolt has a T25 Torx head for ease of adjustment and so you need only one tool for your cockpit Item Specifications Color: Black S. H. I. S. Stem Clamp Diameter: 28. 6 Includes Star Nut: No