Ultimate Tubeless Valve Stem

The Silca Ultimate Tubeless Valve Stems are designed to deliver maximum airflow, reliable sealing, and long-term durability for modern tubeless wheel setups. Engineered for performance and compatibility, these valves provide efficient inflation, easy sealant installation, and smooth operation, making them ideal for road, gravel, and mountain bike tubeless systems.

Built with high-flow valve design, the Silca Ultimate Tubeless Valves allow sealant and air to move freely through the valve, improving inflation speed and helping to prevent clogs often caused by tubeless sealant. This makes them particularly effective when used with modern tubeless sealants and high-volume tyres.

These valve stems are also fully compatible with tyre inserts, ensuring reliable airflow even when inserts restrict the inner space of the tyre. This makes them a great choice for riders using rim protection systems or performance tyre inserts.

Designed to integrate seamlessly with the Silca tubeless ecosystem, these valves work perfectly alongside Silca Ultimate Sealant with FiberFoam and Silca Ultimate Tubeless Rim Tape, creating a complete tubeless setup that delivers consistent performance and dependable sealing.

• Precision CNC-machined aluminium body
• 4 mm hex interface for secure, tool-controlled installation
• Insert-compatible design with most tire inserts
• Perfect system match with Silca Ultimate Tubeless Tape
• Threaded aluminium valve cap with core tool
• Low profile lock nut
• 50mm and 70mm length optimized for modern rims