{"product_id":"box-one-os-31-8-cromo-8-5-handlebar","title":"Box One Os 31.8 Cromo 8.5\" Handlebar","description":"\u003ch2\u003eBox One OS 31.8 Cromo 8.5\" Handlebar\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Box One OS is a professional-grade oversized chromoly handlebar featuring Box's proprietary Oversized Technology. At 8.5\" rise with 31.8mm clamp and 28.25\" width, it combines steering and pedaling stiffness through variable wall thickness tube construction optimized for elite BMX racing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOversized Technology\u003c\/strong\u003e – Strategic tube diameter and wall thickness variation optimizes stiffness while minimizing weight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Purpose Engineering\u003c\/strong\u003e – Contributes to both steering stiffness and pedaling rigidity for comprehensive front-end performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4130 Chromoly Steel\u003c\/strong\u003e – Toughest handlebar material available; proven durability for competitive racing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMassive Clamp Interface\u003c\/strong\u003e – 31.8mm clamp diameter provides substantial stem contact area for steering stiffness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13 Butted Tubes\u003c\/strong\u003e – Variable wall thickness construction reduces weight without sacrificing strength\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMandrel-Formed Construction\u003c\/strong\u003e – Precision tube forming ensures consistent geometry and performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtruded Process\u003c\/strong\u003e – Professional manufacturing delivers precision and durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8.5\" Rise\u003c\/strong\u003e – 215.9mm height provides elevated hand position for modern BMX racing geometry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28.25\" Width\u003c\/strong\u003e – 717.5mm width offers control and stability for racing applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7° Back Sweep\u003c\/strong\u003e – Ergonomic sweep angle reduces wrist strain during extended riding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2° Up Sweep\u003c\/strong\u003e – Slight upward sweep provides natural hand position and comfort\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e22.2mm Grip Diameter\u003c\/strong\u003e – Compatible with standard BMX grip systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor Options\u003c\/strong\u003e – Available in gloss black or chrome with pad printing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Racing Component\u003c\/strong\u003e – Elite-grade handlebar for competitive BMX racing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: 4130 chromoly steel\u003c\/li\u003e\n\u003cli\u003eConstruction: Extruded and mandrel-formed\u003c\/li\u003e\n\u003cli\u003eClamp diameter: 31.8mm\u003c\/li\u003e\n\u003cli\u003eBar bore\/grip diameter: 22.2mm\u003c\/li\u003e\n\u003cli\u003eRise: 8.5\" (215.9mm)\u003c\/li\u003e\n\u003cli\u003eWidth: 28.25\" (717.5mm)\u003c\/li\u003e\n\u003cli\u003eBack sweep: 7°\u003c\/li\u003e\n\u003cli\u003eUp sweep: 2°\u003c\/li\u003e\n\u003cli\u003eWeight: 990g (1000g listed; slight variation typical)\u003c\/li\u003e\n\u003cli\u003eTube construction: 13 butted with variable wall thickness\u003c\/li\u003e\n\u003cli\u003eFinish: Gloss black or chrome with pad printing\u003c\/li\u003e\n\u003cli\u003eTechnology: Oversized Technology with strategic tube engineering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; Ideal Use Cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e31.8mm Stem Systems\u003c\/strong\u003e – Requires 31.8mm stem clamp; not compatible with 22.2mm or other stem diameters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional BMX Racing\u003c\/strong\u003e – Elite-grade component engineered for competitive racing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteering and Pedaling Stiffness\u003c\/strong\u003e – Oversized technology optimizes both steering precision and pedaling rigidity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 22.2mm Grips\u003c\/strong\u003e – Compatible with all standard BMX grip systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern BMX Geometry\u003c\/strong\u003e – 8.5\" rise and 28.25\" width match contemporary racing bar standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElite Riders\u003c\/strong\u003e – Purpose-built for professional and national-level BMX racers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Racing Builds\u003c\/strong\u003e – 990g weight suitable for racing-focused setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort and Control\u003c\/strong\u003e – Sweep angles reduce wrist strain during extended racing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBuild Requirements \u0026amp; Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e31.8mm Stem Required\u003c\/strong\u003e – MUST use 31.8mm stem clamp; incompatible with 22.2mm or other stem sizes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard BMX Grips\u003c\/strong\u003e – Compatible with 22.2mm grip diameter grips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Lever Compatibility\u003c\/strong\u003e – Verify brake lever design accommodates 31.8mm bar clamp area\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable and Housing Routing\u003c\/strong\u003e – Verify adequate frame routing for brake cables and components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandlebar Stem Bolt Torque\u003c\/strong\u003e – Follow stem manufacturer torque specifications for proper clamping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eShips direct from manufacturer in USA; may ship separately from other orders\u003c\/li\u003e\n\u003cli\u003e31.8mm clamp diameter REQUIRES compatible 31.8mm stem; verify stem specification before ordering\u003c\/li\u003e\n\u003cli\u003eOversized Technology strategically varies tube diameter and wall thickness for optimized stiffness\u003c\/li\u003e\n\u003cli\u003eMassive clamp interface provides substantial stem contact for superior steering stiffness\u003c\/li\u003e\n\u003cli\u003e13 butted tubes with variable wall thickness balance weight and durability\u003c\/li\u003e\n\u003cli\u003eMandrel-formed and extruded construction ensures precision and consistency\u003c\/li\u003e\n\u003cli\u003e8.5\" rise slightly higher than standard; provides elevated hand position for modern racing geometry\u003c\/li\u003e\n\u003cli\u003e7° back sweep and 2° up sweep ergonomic angles reduce wrist strain\u003c\/li\u003e\n\u003cli\u003e990g weight competitive for professional-grade oversized racing bars\u003c\/li\u003e\n\u003cli\u003e4130 chromoly toughest handlebar material; proven for competitive racing durability\u003c\/li\u003e\n\u003cli\u003eColor options: Gloss black or chrome with pad printing for aesthetic customization\u003c\/li\u003e\n\u003cli\u003eProfessional manufacturing and engineering ensure elite-level performance\u003c\/li\u003e\n\u003cli\u003eSuitable for professional and national-level BMX racing applications\u003c\/li\u003e\n\u003cli\u003eVerify stem compatibility before purchase; 31.8mm clamp exclusive to 31.8mm stems\u003c\/li\u003e\n\u003c\/ul\u003e \u003cdiv\u003e\u003cp.\u003e\u003ci\u003e\u003cu\u003e\u003cfont size=\"2\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/font\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/p.\u003e\u003c\/div\u003e\u003cdiv style=\"\"\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cfont size=\"3\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/font\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e\u003cdiv style=\"\"\u003e\u003ci style=\"font-size: 0.875rem;\"\u003e\u003cu\u003e\u003cfont size=\"3\"\u003e\u003cb\u003e**Due to unique nature of this item, ALL sales of this product are FINAL. No Refunds or Returns**\u003c\/b\u003e\u003c\/font\u003e\u003c\/u\u003e\u003c\/i\u003e\u003c\/div\u003e","brand":"Box","offers":[{"title":"Black \/ 8.50\"","offer_id":45037829718195,"sku":"BX-HB2131885-BK","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ 8.50\"","offer_id":45037829750963,"sku":"BX-HB2131885-CH","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8737\/2979\/files\/box-one-os-318-cromo-85-handlebar_9937ed56-0c7e-487e-be8b-48c66874a917.jpg?v=1783443114","url":"https:\/\/time2shinebmx.com\/products\/box-one-os-31-8-cromo-8-5-handlebar","provider":"Time 2 Shine ","version":"1.0","type":"link"}