{"product_id":"hdst1815","title":"FSA SX Pro Internal Headset H2090C | Tapered 1-1 - 8 - 1.5 Alloy Bearings, CNC Machined Cups, Compact Fit, Lightweight 110g","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your mountain biking and trail riding with the FSA SX Pro Internal Headset, H2090C - the ultimate in precision, durability, and performance engineering. Designed specifically for tapered steer tubes, this high-performance headset delivers seamless handling, enhanced stability, and long-lasting reliability on rugged terrains and demanding rides.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Construction\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eConstructed from forged alloy components, the FSA SX Pro Headset offers exceptional strength-to-weight ratio, ensuring durability without adding unnecessary weight to your bike. The upper cup features CNC-machined alloy for precise fit and smooth operation, while the lower cup's alloy construction provides lasting resilience against impacts and wear.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Engineering\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eEngineered for tapered 1-1\/8\" to 1.5\" head tubes, this headset provides a 50mm \/ 61mm outer diameter (OD) that ensures compatibility with a wide range of modern mountain, gravel, and trail bikes. Its compact SX Pro design enhances cockpit responsiveness, offering quicker steering geometry ideal for technical descents and tight turns. The 3.5mm upper stack combined with a 21.2mm lower stack height ensures a perfect balance of height adjustment and steering precision, with a lightweight total weight of just 110.2 grams.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eComponents \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eEquipped with quality sealed bearings featuring 36\/45 ACB (Contact Seal) on both upper and lower cups, the FSA SX Pro Headset maintains optimal grease retention, minimizes dirt ingress, and guarantees smooth rotation, even under muddy or wet riding conditions. The black and blue seal accents add a sleek, professional aesthetic suited for both performance-oriented and stylish builds.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eIdeal for mountain bikers, gravel adventurers, and trail enthusiasts seeking trustworthy performance and styling, the FSA SX Pro Headset offers a sleek, minimalist profile that complements aggressive mountain bike setups and enduro rigs. Its compact design and robust construction make it a perfect choice for riders demanding top-tier handling in rugged environments.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eInnovative \u0026amp; Differentiating Features\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Forged alloy construction with CNC machining for precision fit and longevity\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Tapered compatibility for versatile frame options (1-1\/8\" to 1.5\")\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- 3.5mm upper and 21.2mm lower stack height for customizable fit and steering response\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Sealed bearings with durable ACB contact seal technology for reliable performance in all weather conditions\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Lightweight at only 110.2 grams, minimizing overall bike weight without compromising strength\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003eEnhance your bike's performance and handling with the FSA SX Pro Internal Headset - engineered for riders who demand durability, precision, and superior engineering in every ride. Optimize your build today and experience the difference in every turn and descent.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003ePrecision-engineered for tapered bicycle frames, the FSA SX Pro Internal Headset features forged alloy upper and CNC-machined alloy lower cups for optimal strength and durability. \u003c\/li\u003e\n\u003cli\u003eDesigned with a compact fit, the SX Pro offers a 3.5mm upper and 21.2mm stack height to ensure seamless installation and maximum performance on modern mountain and gravel bikes. \u003c\/li\u003e\n\u003cli\u003eUtilizing 36\/45 ACB sealing technology with blue and black seals, this internal headset provides superior sealing against dirt, water, and debris for enhanced longevity and smooth steering. \u003c\/li\u003e\n\u003cli\u003eConstructed from lightweight yet durable alloy, the FSA SX Pro Headset weighs just 110.2 grams, making it ideal for riders seeking a balance of performance and lightweight efficiency. \u003c\/li\u003e\n\u003cli\u003eCompatible with 1-1\/8\" to 1.5\" tapered forks and head tubes, this headset is perfect for upgrading your bike's handling, offering reliable performance for aggressive riding, endurance, or trail riding applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Full Speed Ahead","offers":[{"title":"Default Title","offer_id":43065429721155,"sku":"HDST1815","price":99.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/HD1361.jpg?v=1774393982","url":"https:\/\/365cycles.com\/products\/hdst1815","provider":"365 Cycles","version":"1.0","type":"link"}