The CNC TLR VALVE PRO are precision-engineered tubeless valve stems for road bike, gravel bike and mountain bike setups, constructed from lightweight, durable CNC-machined aluminum. Their clean, stylish design complements the look of modern bicycles. Featuring a four-slot, high-flow system, these tubeless valve stems allow seamless air and sealant flow-even when used with tire inserts. The innovative, slender base geometry ensures compatibility with narrow inner rim widths. - CNC-machined aluminum tubeless ready Presta valve - Machined 4-slot air-flow system compatible with most tubeless tire inserts - Allows tubeless sealant and air to flow freely with tubeless tire inserts - Slender base geometry compatible with various rim widths - Valve cap with integrated valve core tool - Integrated T25 valve cap tip tightens valve to rim - Includes: Valve stem with cone seal, O-ring, Compression nut, and Valve cap