Silca's Tubeless Valve Extender Kit extends standard and tubeless removable-core valve stems by 40 mm, and the included Speed Shields improve aerodynamics while protecting the rim from the valve nut. Made from cold drawn aluminum bar instead of the common hollow extruded bar, Silca's valve extenders are 50 - 200% stronger than normal alloy stems/
40 mm length. Compatible with removable-core valve stems only. Valve cores not included.
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Best Ive ever used, period.
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