{"product_id":"bucklos-tubeless-presta-valve-stems-cnc-aluminum-mtb-road-bike","title":"BUCKLOS Tubeless Presta Valve Stems CNC Aluminum MTB Road Bike","description":"\u003cp\u003eUpgrade your tubeless setup with the \u003cstrong\u003eBUCKLOS CNC Aluminum Tubeless Presta Valve Stems\u003c\/strong\u003e — engineered for MTB and road bike riders who demand precision, durability, and a leak-free ride. Available in multiple lengths: \u003cstrong\u003e40mm, 44mm, 55mm, 60mm, 65mm, 80mm, and 100mm\u003c\/strong\u003e, these valves are designed to fit a wide range of rim depths and tubeless-ready wheelsets.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e99.99% Airtight CNC One-Piece Design:\u003c\/strong\u003e The precision CNC-machined single-body construction virtually eliminates air leakage, keeping your tyre pressure consistent ride after ride.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge Three-Hole Base for Fast Inflation:\u003c\/strong\u003e The enlarged three-hole air outlet at the base increases the air outlet area by 30% and boosts inflation efficiency by 36%, so you spend less time pumping and more time riding.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Light Aluminium Alloy Construction:\u003c\/strong\u003e Made from lightweight aluminium alloy with an anodic oxidation process that resists rust and corrosion, extending the lifespan of every valve stem.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVibrant Anodized Colors:\u003c\/strong\u003e Multiple colour options with a bright, shiny finish — plus the BUCKLOS brand icon on each stem for a clean, premium look that complements your build.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemovable Valve Core for Easy Maintenance:\u003c\/strong\u003e The valve core can be removed quickly using the included valve core removal tool, making it straightforward to add sealant or perform trail-side maintenance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with Tubeless Rims:\u003c\/strong\u003e Fits standard tubeless-ready MTB and road bike rims. Simply choose the stem length that matches your rim depth.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e2 × BUCKLOS Tubeless Presta Valve Stems (in your chosen length)\u003c\/li\u003e\n  \u003cli\u003e2 × Valve Core Removal Tool Caps\u003c\/li\u003e\n  \u003cli\u003e1 × Presentation Box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBUCKLOS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCNC Aluminium Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePresta (Tubeless)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Lengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40mm \/ 44mm \/ 55mm \/ 60mm \/ 65mm \/ 80mm \/ 100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Treatment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnodic Oxidation\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMTB \u0026amp; Road Bike Tubeless Rims\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Qty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Valve Stems + 2 Removal Tool Caps\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eRelated Products You May Like\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC High Grade Silicon Grease Lubricant for O-Rings \u0026amp; Tubes\u003c\/a\u003e — great for keeping valve cores smooth and sealing threads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/1pc-400cm-sealing-tape-faucet-sealing-tape-oil-free-leak-proof-water-pipe-gas-pipeline-sealing-tape\"\u003e1PC 400cm Sealing Tape – Oil-Free Leak Proof Tape\u003c\/a\u003e — a handy tool for any sealing or maintenance job.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Tools\u003c\/a\u003e — versatile finishing tools for your workshop.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/medlineplus.gov\/exerciseandphysicalfitness.html\" target=\"_blank\" rel=\"noopener\"\u003eMedlinePlus on exercise and physical fitness\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What rim depths are these BUCKLOS tubeless presta valves compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: BUCKLOS tubeless presta valve stems are available in seven lengths — 40mm, 44mm, 55mm, 60mm, 65mm, 80mm, and 100mm — making them compatible with shallow to deep-section tubeless-ready rims for both MTB and road bikes. Choose a length that extends at least 3–5mm above the rim's valve hole for easy pump head attachment.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I install these tubeless presta valve stems?\u003c\/h4\u003e\n\u003cp\u003eA: Installation is straightforward. Insert the valve stem through the rim's valve hole, hand-tighten the lock nut against the rim bed, and seat your tubeless tyre. Use the included valve core removal tool to unscrew the valve core, add your sealant, and then re-install the core before inflating. The CNC one-piece construction ensures a secure, airtight fit.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these valve stems compatible with standard Presta pump heads?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. BUCKLOS tubeless presta valve stems feature a standard Presta thread profile that is compatible with all common Presta pump heads, compressors, and CO₂ inflators — making them a drop-in upgrade for any tubeless-ready wheelset.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many valve stems come in the package?\u003c\/h4\u003e\n\u003cp\u003eA: Each package includes 2 BUCKLOS tubeless presta valve stems plus 2 valve core removal tool caps, presented in a neat box — ideal for a complete front and rear wheel setup.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What rim depths are these BUCKLOS tubeless presta valves compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"BUCKLOS tubeless presta valve stems are available in seven lengths — 40mm, 44mm, 55mm, 60mm, 65mm, 80mm, and 100mm — making them compatible with shallow to deep-section tubeless-ready rims for both MTB and road bikes. 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