Zipp is proud to partner with Silca to offer a premium valve extender with a stylish innovative design that eliminates annoying rattle between the extender and rim valve hole.

• 24mm extender gasket removes rattle
• Machined 6066-T6 aluminum
• When installed on Zipp butyl tubes with 37mm valves, compatible with Zipp 303, 404 and 808 rims.
• Compatible with all tubes with removable valve core. Places Presta valve at top of extender for easy access for inflation.
• 34mm for 32-49mm rim depth including Zipp 303
• 2g - 45mm for 50-65mm rim depth including Zipp 404
• 2.7g - 60mm for 66-80mm rim depth including Zipp 808
• 3.7g - 75mm for 81-95mm rim depth
• 4.7g - Kit includes two extenders for the bike, one extender for the spare tube.
• (34mm kit includes one extender tool)