Zipp

Zipp's Service Course SL Stem, crafted from 7075 aluminum, features a shape that's strong and lightweight, resulting in a best-in-class 1.85 grams per newton meter of stiffness. That results in no-flex sprints and accelerations. This stem is a favorite of Zipp ambassadors and pro athletes. - Distinctive Zipp cosmetics - Zipp Quickview integrated computer mount available separately - Lifetime warranty

Zipp's Valve Extension extends your threaded Presta valve to accommodate deep dish rims. Use these extenders with your favorite Zipp wheels to make short work of pumping up your tires.

Package comes with two pieces of rim tape for use with the Zipp clinchers. Woven nylon material. Tape is extra thin with a thickness of 0.5 mm. Note: For Zipp 700c and 650c aluminum/carbon hybrid clichers, use the 16 mm rim tape. For Zipp 30 wheel set use 18mm but for the wider Firecrest and Firestrike carbon clinchers use the 20mm x 1/2mm rim tape.

Zipp Speed Weaponry Bolt Kits