Zipp Valve Extenders by SILCA

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