{"product_id":"onyx-carbon-20-406x21i-28-36h-symetrical-pro-rim","title":"Onyx Carbon 20\" 406x21i 28\/36h Symetrical Pro Rim","description":"\u003ch2\u003eOnyx Carbon 20\" 406x21 Symmetrical Pro Rim – 28\/36H\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Onyx Carbon is a lightweight symmetrical carbon rim for 20\" BMX wheels with centered spoke holes for front or rear wheel use. Available in 28 or 36-spoke drilling with 21mm internal width, it supports rim brakes and is tubeless-compatible with proper setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon Construction\u003c\/strong\u003e – Lightweight material reduces rotational weight while maintaining rigidity and strength\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSymmetrical Design\u003c\/strong\u003e – Centered spoke holes allow use as front or rear wheel without disc brakes, increasing build flexibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e21mm Internal Width\u003c\/strong\u003e – Provides adequate tire support and compatibility with modern BMX tire profiles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e406 ETRTO Sizing\u003c\/strong\u003e – Standard 20\" BMX wheel size (ERD: 378mm) compatible with dedicated BMX tires\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Brake Compatible\u003c\/strong\u003e – Works with rim brakes using carbon-safe pads to prevent overheating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless Ready\u003c\/strong\u003e – Bead lock system supports tubeless setup with minimum 2 wraps of tubeless tape (additional items required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eV-Brake Compatible\u003c\/strong\u003e – Can be used as rear rim with V-brake systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Options\u003c\/strong\u003e – Available in 28 or 36-spoke drilling for different wheel-building requirements\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: Carbon\u003c\/li\u003e\n\u003cli\u003eSize: 20\" (406 ETRTO)\u003c\/li\u003e\n\u003cli\u003eInternal width: 21mm\u003c\/li\u003e\n\u003cli\u003eERD (Effective Rim Diameter): 378mm\u003c\/li\u003e\n\u003cli\u003eSpoke hole drilling: 28 or 36 holes, symmetrical\/centered\u003c\/li\u003e\n\u003cli\u003eMaximum spoke tension: 115 kgf\u003c\/li\u003e\n\u003cli\u003eMaximum tire pressure: 100 PSI\u003c\/li\u003e\n\u003cli\u003eTubeless compatible: Yes (requires tubeless tape, valve, sealant, and liquid sealer)\u003c\/li\u003e\n\u003cli\u003eRim brake compatible: Yes (carbon-safe pads required)\u003c\/li\u003e\n\u003cli\u003eWeight: Reduced versus aluminum alternatives\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\u003eSpoke Compatibility\u003c\/strong\u003e – Use only butted or bladed steel spokes; straight gauge steel not permitted (titanium straight gauge approved)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLacing Restriction\u003c\/strong\u003e – Radial lacing prohibited; use cross or other approved lacing patterns\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Tensioning\u003c\/strong\u003e – Use calibrated spoke tension meter; mechanical locking nipple or spoke prep recommended\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire Compatibility\u003c\/strong\u003e – Designed for 20\" BMX tires; verify tire bead diameter matches 406 ETRTO standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless Setup\u003c\/strong\u003e – Requires tubeless-specific tire, rim tape, valve, sealant, and liquid sealer for conversion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Compatibility\u003c\/strong\u003e – Front or rear rim brake use; not compatible with disc brakes; V-brake compatible as rear only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDecals included but not pre-installed; follow provided video for proper application\u003c\/li\u003e\n\u003cli\u003e2-year limited warranty covers manufacturing defects only; misuse, abuse, improper installation, and vehicular damage excluded\u003c\/li\u003e\n\u003cli\u003eWarranty valid to original purchaser with proof of purchase\u003c\/li\u003e\n\u003cli\u003eMaximum 100 PSI tire pressure\u003c\/li\u003e\n\u003cli\u003eStickers delivered loose for custom placement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThe Fine Print\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp\u003eUse a calibrated spoke tension meter for all builds. DO NOT build with straight gauge steel spokes. Use only butted or bladed steel spokes. Titanium straight gauge is approved. Radial lacing is not permitted. A mechanical locking nipple or use of spoke prep suggested. Max spoke tension 115KgF. 100 PSI MAX tire pressure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp\u003eOnyx BMX rims are designed for BMX racing applications and are backed by a 2 year limited warranty. Warranty covers manufacturing defects only. Damage from misuse, abuse, improper installation, or vehicular damage is not covered by warranty. Warranty term begins on date of purchase by and only to the original purchaser of new Onyx Products (proof of purchase required). For more details, \u003ca href=\"https:\/\/onyxrp.com\/limited-warranty-onyx-racing-products\/\" rel=\"noreferrer noopener\" target=\"_blank\"\u003esee Limited Warranty\u003c\/a\u003e .\u003c\/p\u003e\n\u003cdiv class=\"row\" style=\"margin-bottom: 10px;\"\u003e\n\u003cdiv class=\"col-xs-12 col-sm-1\"\u003e\u003ccenter\u003e\u003cimg src=\"https:\/\/www.brgstore.com\/img\/cms\/ICONES%20JANTES\/tubelessready.jpg\" alt=\"\" width=\"50\" height=\"50\"\u003e\u003c\/center\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-sm-11\"\u003e\n\u003cp\u003e\u003cstrong\u003eTubeless Ready System\u003c\/strong\u003e - Our rims feature a Bead Lock System, needed for the rim to be Tubeless Ready. With the installation of additional items needed you can get the rim ready for tubeless set up, along with the usage of a tubeless specific tire. With a tubeless set up, you can lighten up your wheels, saveing rotational weight, as well as have a sealant inside your tubeless ready tire to help automatically repair small punctures.\u003cbr\u003eAdditional items needed to convert to a Tubeless system include Special Valve, Sealant Rim Tape, and Liquid sealer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\" style=\"margin-bottom: 10px;\"\u003e\n\u003cdiv class=\"col-xs-12 col-sm-1\"\u003e\u003ccenter\u003e\u003cimg src=\"https:\/\/www.brgstore.com\/img\/cms\/ICONES%20JANTES\/vbrakecompatible.jpg\" alt=\"\" width=\"50\" height=\"50\"\u003e\u003c\/center\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-sm-11\"\u003e\n\u003cp\u003e\u003cstrong\u003eV-Braking Compatible\u003c\/strong\u003e - Designed to be used as a rear rim when using a V-brake.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-12 col-md-2\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-md-8\"\u003e\n\u003cp class=\"video-responsive\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/yRrZAwYmhKQ?si=_UJSCc4ZEtCRiWGG\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-md-2\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\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":"ONYX","offers":[{"title":"36H \/ Green Kawa","offer_id":45258936221875,"sku":"109656-114820","price":445.0,"currency_code":"USD","in_stock":true},{"title":"36H \/ Green Hi-Vis","offer_id":45275542749363,"sku":"109656-114819","price":445.0,"currency_code":"USD","in_stock":true},{"title":"36H \/ White Frost","offer_id":45305755992243,"sku":"109656-114825","price":445.0,"currency_code":"USD","in_stock":true},{"title":"28H \/ Black","offer_id":45319637631155,"sku":"112074-114756","price":445.0,"currency_code":"USD","in_stock":true},{"title":"36H \/ Yellow Hi-Vis","offer_id":45307440169139,"sku":"109656-114827","price":445.0,"currency_code":"USD","in_stock":true},{"title":"36H \/ Grey","offer_id":45257586180275,"sku":"109656-114809","price":445.0,"currency_code":"USD","in_stock":true},{"title":"28H \/ Orange 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