{"id":640,"date":"2026-05-25T02:14:54","date_gmt":"2026-05-25T02:14:54","guid":{"rendered":"http:\/\/motobikemas.com\/product\/90-90-21-off-road-motorcycle-mousse-insert-enduro-front-tires\/"},"modified":"2026-05-27T04:21:15","modified_gmt":"2026-05-27T04:21:15","slug":"90-90-21-off-road-motorcycle-mousse-insert-enduro-front-tires","status":"publish","type":"product","link":"https:\/\/motobikemas.com\/pt\/produto\/90-90-21-off-road-motorcycle-mousse-insert-enduro-front-tires\/","title":{"rendered":"Inser\u00e7\u00e3o de espuma para motas todo-o-terreno 90\/90-21 para pneus dianteiros de enduro e MX"},"content":{"rendered":"<h2>Professional 90\/90-21 Off-Road Motorcycle Mousse Insert for Enduro &amp; Motocross Front Wheels<\/h2>\n<p>The Motobike Mas 90\/90-21 off-road motorcycle mousse insert is a professional-grade closed-cell nitrile rubber foam tire insert engineered for the front wheels of enduro, motocross, and off-road motorcycles. The 90\/90-21 is the standard front wheel size for virtually all full-size dirt bikes \u2014 making this mousse one of the most widely compatible front-end protection solutions in off-road racing.<\/p>\n<p>This front mousse insert completely replaces the inner tube to eliminate dangerous front pinch flats, reduce unsprung rotating mass, and deliver consistent steering precision across the most demanding terrain. Available in soft, medium, and standard density formulations, the 90\/90-21 mousse fits all standard full-size dirt bike front wheels.<\/p>\n<p>Enquanto fabricante B2B sediada em Tianjin, na China, a Motobike Mas oferece servi\u00e7os de marca pr\u00f3pria (OEM), formula\u00e7\u00f5es personalizadas de dureza e pre\u00e7os grossistas diretos de f\u00e1brica para revendedores, distribuidores e equipas de competi\u00e7\u00e3o em todo o mundo.<\/p>\n<hr \/>\n<h2>Especifica\u00e7\u00f5es T\u00e9cnicas<\/h2>\n<table>\n<tbody>\n<tr>\n<td><strong>Tamanho<\/strong><\/td>\n<td>90\/90-21<\/td>\n<\/tr>\n<tr>\n<td><strong>Compatibilidade<\/strong><\/td>\n<td>90\/90-21 front tires (standard full-size MX\/enduro front wheel)<\/td>\n<\/tr>\n<tr>\n<td><strong>Material<\/strong><\/td>\n<td>Espuma de borracha de nitrilo de c\u00e9lula fechada<\/td>\n<\/tr>\n<tr>\n<td><strong>Op\u00e7\u00f5es de densidade<\/strong><\/td>\n<td>Suave, M\u00e9dio, Padr\u00e3o<\/td>\n<\/tr>\n<tr>\n<td><strong>Peso<\/strong><\/td>\n<td>Approx. 1.0-1.2 kg<\/td>\n<\/tr>\n<tr>\n<td><strong>Redu\u00e7\u00e3o da massa rotativa<\/strong><\/td>\n<td>At\u00e9 40% vs. c\u00e2mara de ar + fecho de jante refor\u00e7ado<\/td>\n<\/tr>\n<tr>\n<td><strong>Equivalente de press\u00e3o efetiva<\/strong><\/td>\n<td>8-12 psi<\/td>\n<\/tr>\n<tr>\n<td><strong>Vida \u00fatil<\/strong><\/td>\n<td>Normalmente, 200 a 500 milhas de corrida<\/td>\n<\/tr>\n<tr>\n<td><strong>Pa\u00eds de origem<\/strong><\/td>\n<td>Tianjin, China<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>Principais vantagens<\/h2>\n<h3>Preven\u00e7\u00e3o completa de furos na roda dianteira<\/h3>\n<p>A front tire flat at speed is the most dangerous failure in off-road motorcycling \u2014 it causes immediate loss of steering control. The 90\/90-21 front mousse eliminates this risk entirely. No pinch flats from square-edge log impacts, no puncture flats from rocks and thorns, no valve stem failures. For enduro racers navigating technical terrain and motocross racers landing heavy jumps, this means no DNFs from front-end failures.<\/p>\n<h3>Redu\u00e7\u00e3o da massa rotativa dianteira<\/h3>\n<p>Reducing unsprung rotating mass on the 21-inch front wheel dramatically improves steering response and suspension compliance. By eliminating the inner tube and allowing a lighter rim lock, the 90\/90-21 front mousse reduces front wheel rotating mass by up to 40%. The result: lighter steering effort, reduced deflection off roots and rocks, and more precise front-end feedback.<\/p>\n<h3>Precis\u00e3o de dire\u00e7\u00e3o consistente<\/h3>\n<p>Unlike pneumatic tires where front tire pressure changes with temperature, altitude, and riding time, a mousse insert delivers identical damping and steering characteristics from the first corner to the last. For enduro riders covering varied terrain over hours of racing, this predictability is invaluable for maintaining consistent corner entry speed and line choice.<\/p>\n<h3>Lower Front Effective Pressure for Maximum Grip<\/h3>\n<p>The 90\/90-21 front mousse allows riders to run effective pressures as low as 8 psi with zero risk of pinch flats. On loose over hardpack, wet roots, and sandy sections, this translates to significantly more front-end grip and confidence in corner entry. The foam absorbs square-edge impacts that would instantly collapse a tube at low pressure.<\/p>\n<h3>Manuten\u00e7\u00e3o zero do pneu dianteiro<\/h3>\n<p>Once installed, the front mousse requires zero maintenance for the life of the tire. No air pressure checks before practice or race starts, no valve stem inspections, no gauges or pumps. For race teams managing multiple bikes and enduro riders preparing for long events, this simplifies preparation and eliminates one more variable.<\/p>\n<hr \/>\n<h2>Guia de op\u00e7\u00f5es de dureza<\/h2>\n<p>Selecting the correct mousse hardness for the 90\/90-21 front wheel is critical for both performance and safety. The wrong density can cause vague steering, excessive deflection, or premature wear.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Densidade<\/th>\n<th>Press\u00e3o efetiva<\/th>\n<th>Melhor terreno<\/th>\n<th>Peso do ciclista<\/th>\n<\/tr>\n<tr>\n<td><strong>Suave<\/strong><\/td>\n<td>8-10 psi<\/td>\n<td>Mud, sand, wet roots, slippery conditions<\/td>\n<td>Under 70 kg<\/td>\n<\/tr>\n<tr>\n<td><strong>M\u00e9dio<\/strong><\/td>\n<td>9-11 psi<\/td>\n<td>Mixed terrain, enduro, all-around use<\/td>\n<td>70-90 kg<\/td>\n<\/tr>\n<tr>\n<td><strong>Padr\u00e3o<\/strong><\/td>\n<td>10-12 psi<\/td>\n<td>Rocoso, com solo compacto, no deserto, a alta velocidade<\/td>\n<td>Mais de 90 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Selection Guide for 90\/90-21 Front Mousse<\/h3>\n<ul>\n<li><strong>Escolha \u00abSuave\u00bb<\/strong> for enduro riding in wet or technical conditions where maximum front-end traction is needed. Best for lighter riders and extreme enduro applications.<\/li>\n<li><strong>Escolha \u00abM\u00e9dio\u00bb<\/strong> as the default all-rounder for most conditions \u2014 offers the best balance of steering precision and bump absorption for the majority of riders.<\/li>\n<li><strong>Escolha \u00abPadr\u00e3o\u00bb<\/strong> for high-speed desert racing, rocky enduro, motocross on hard-packed tracks, or heavier riders who need more front-end support under hard braking.<\/li>\n<\/ul>\n<hr \/>\n<h2>Compatibilidade<\/h2>\n<p>This 90\/90-21 mousse insert fits all standard 90\/90-21 front tires \u2014 the industry-standard front tire size for full-size off-road motorcycles. It is compatible with virtually all full-size dirt bikes from every major manufacturer.<\/p>\n<h3>Motocross Bikes (250cc)<\/h3>\n<ul>\n<li>Honda CRF250R<\/li>\n<li>Yamaha YZ250F<\/li>\n<li>KTM 250 SX-F<\/li>\n<li>Husqvarna FC 250<\/li>\n<li>Kawasaki KX250<\/li>\n<li>Suzuki RM-Z250<\/li>\n<li>GasGas MC 250F<\/li>\n<\/ul>\n<h3>Motocross Bikes (450cc)<\/h3>\n<ul>\n<li>Honda CRF450R<\/li>\n<li>Yamaha YZ450F<\/li>\n<li>KTM 450 SX-F<\/li>\n<li>Husqvarna FC 450<\/li>\n<li>Kawasaki KX450<\/li>\n<li>Suzuki RM-Z450<\/li>\n<\/ul>\n<h3>Enduro \/ Cross-Country \/ Dual-Sport<\/h3>\n<ul>\n<li>KTM 300 XC-W \/ 350 EXC-F \/ 500 EXC-F<\/li>\n<li>Husqvarna TE 300 \/ FE 350 \/ FE 501<\/li>\n<li>Beta RR 300 \/ RR 350 \/ RR 430 \/ RR 480<\/li>\n<li>Sherco SE 300 \/ SE 500 \/ SE 700<\/li>\n<li>GasGas EC 250 \/ EC 300<\/li>\n<li>Honda CRF450X \/ CRF450RL<\/li>\n<li>Yamaha WR250F \/ WR450F<\/li>\n<li>Suzuki RMX450Z<\/li>\n<\/ul>\n<hr \/>\n<h2>Espuma dianteira vs. C\u00e2mara de ar dianteira \u2014 Compara\u00e7\u00e3o<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Fator<\/th>\n<th>Front Mousse Insert (90\/90-21)<\/th>\n<th>C\u00e2mara de ar dianteira<\/th>\n<\/tr>\n<tr>\n<td><strong>Preven\u00e7\u00e3o de furos<\/strong><\/td>\n<td>100% \u2014 n\u00e3o \u00e9 poss\u00edvel fazer manobras na parte da frente<\/td>\n<td>Vulnerable to pinch flats, especially on log impacts<\/td>\n<\/tr>\n<tr>\n<td><strong>Precis\u00e3o da dire\u00e7\u00e3o<\/strong><\/td>\n<td>Consistente ao longo de toda a corrida<\/td>\n<td>Altera\u00e7\u00f5es em fun\u00e7\u00e3o da press\u00e3o e da temperatura<\/td>\n<\/tr>\n<tr>\n<td><strong>Manuten\u00e7\u00e3o<\/strong><\/td>\n<td>Zero \u2014 instale e esque\u00e7a<\/td>\n<td>Verifique a press\u00e3o antes de cada passeio<\/td>\n<\/tr>\n<tr>\n<td><strong>Massa rotativa<\/strong><\/td>\n<td>Inferior (sem tubo + fecho de aro mais leve)<\/td>\n<td>Mais alto<\/td>\n<\/tr>\n<tr>\n<td><strong>Safety<\/strong><\/td>\n<td>Sem perda repentina de controlo da dire\u00e7\u00e3o<\/td>\n<td>Perda repentina de controlo devido a um furo na roda dianteira<\/td>\n<\/tr>\n<tr>\n<td><strong>Installation<\/strong><\/td>\n<td>Moderate difficulty<\/td>\n<td>Mais f\u00e1cil<\/td>\n<\/tr>\n<tr>\n<td><strong>Adaptabilidade ao terreno<\/strong><\/td>\n<td>Resolvido atrav\u00e9s da escolha da densidade<\/td>\n<td>Ajust\u00e1vel por meio de press\u00e3o<\/td>\n<\/tr>\n<tr>\n<td><strong>Reusability<\/strong><\/td>\n<td>Transfer to new tire (if in good condition)<\/td>\n<td>Replace each tire change<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>90\/90-21 vs. 80\/100-21 \u2014 Choosing the Right Front Mousse Size<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Especifica\u00e7\u00f5es<\/th>\n<th>90\/90-21<\/th>\n<th>80\/100-21<\/th>\n<\/tr>\n<tr>\n<td><strong>Largura da sec\u00e7\u00e3o<\/strong><\/td>\n<td>90 mm<\/td>\n<td>80 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Propor\u00e7\u00e3o da imagem<\/strong><\/td>\n<td>90% (taller sidewall)<\/td>\n<td>100% (taller profile overall)<\/td>\n<\/tr>\n<tr>\n<td><strong>Overall Diameter<\/strong><\/td>\n<td>Slightly larger<\/td>\n<td>Slightly smaller<\/td>\n<\/tr>\n<tr>\n<td><strong>Typical Application<\/strong><\/td>\n<td>Enduro, trail, off-road<\/td>\n<td>Motocross, supercross<\/td>\n<\/tr>\n<tr>\n<td><strong>Sensa\u00e7\u00e3o na dire\u00e7\u00e3o<\/strong><\/td>\n<td>More front-end grip, slightly heavier steering<\/td>\n<td>Lighter steering, faster turn-in<\/td>\n<\/tr>\n<tr>\n<td><strong>Melhor terreno<\/strong><\/td>\n<td>Loose, soft, technical enduro<\/td>\n<td>Hard-packed, berms, deep loam<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>Manuten\u00e7\u00e3o e vida \u00fatil<\/h2>\n<h3>Esperan\u00e7a de vida<\/h3>\n<p>A 90\/90-21 front mousse insert typically lasts between 200 and 500 racing miles, depending on terrain, rider weight, riding speed, and lubrication during installation. Front mousses generally wear more slowly than rear units due to lower heat generation from braking loads compared to the driving loads on a rear wheel.<\/p>\n<h3>Sinais de que \u00e9 necess\u00e1rio substitu\u00ed-lo<\/h3>\n<ul>\n<li>A espuma parece visivelmente mais macia ou esponjosa em compara\u00e7\u00e3o com a nova<\/li>\n<li>Lacunas vis\u00edveis, peda\u00e7os em falta ou deforma\u00e7\u00f5es<\/li>\n<li>Vague steering feel \u2014 reduced front-end confidence in corners<\/li>\n<li>Calor excessivo durante a utiliza\u00e7\u00e3o (a mousse deve estar morna, n\u00e3o quente)<\/li>\n<\/ul>\n<h3>Dicas de arruma\u00e7\u00e3o<\/h3>\n<ul>\n<li>Conservar num local fresco e seco, longe da luz solar direta<\/li>\n<li>N\u00e3o guardar comprimido nem dobrado<\/li>\n<li>Mantenha-se afastado de fontes de ozono (motores el\u00e9tricos, equipamento de soldadura)<\/li>\n<li>Prazo de validade na embalagem selada: 3 a 5 anos<\/li>\n<\/ul>\n<hr \/>\n<h2>Guia de instala\u00e7\u00e3o (roda dianteira)<\/h2>\n<ol>\n<li>Retire completamente o pneu dianteiro e a c\u00e2mara de ar existentes do aro<\/li>\n<li>Limpe cuidadosamente a \u00e1rea do assento do tal\u00e3o do aro dianteiro de 21 polegadas<\/li>\n<li>Aplique generosamente lubrificante em espuma no interior da carca\u00e7a do pneu dianteiro<\/li>\n<li>Apply lubricant to the 90\/90-21 mousse insert itself<\/li>\n<li>Introduza a espuma no pneu, distribuindo-a uniformemente ao longo da carca\u00e7a<\/li>\n<li>Coloque um dos bordos do pneu no aro com a ajuda de alavancas para pneus<\/li>\n<li>Coloque a segunda camada com cuidado para evitar que a mousse fique comprimida<\/li>\n<li>Instale a roda dianteira, certificando-se de que o eixo e os espa\u00e7adores est\u00e3o devidamente alinhados<\/li>\n<\/ol>\n<p><strong>Importante:<\/strong> Never use petroleum-based lubricants on mousse inserts \u2014 they degrade nitrile rubber. Use only water-based mousse lubricant. Proper seating is especially critical on 21-inch front wheels where any imbalance will be felt through the handlebars at speed.<\/p>\n<hr \/>\n<h2>Venda por grosso B2B \u2014 Por que raz\u00e3o estabelecer uma parceria com a Motobike Mas?<\/h2>\n<p>A Motobike Mas \u00e9 um fabricante sediado em Tianjin, na China, de inser\u00e7\u00f5es de espuma para pneus de motociclos de competi\u00e7\u00e3o todo-o-terreno. Fornecemos revendedores, distribuidores, equipas de competi\u00e7\u00e3o e marcas do mercado p\u00f3s-venda em todo o mundo, com pre\u00e7os diretos de f\u00e1brica e personaliza\u00e7\u00e3o total.<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>Pre\u00e7os de f\u00e1brica<\/strong><\/td>\n<td>Venda por grosso direta \u2014 sem intermedi\u00e1rios<\/td>\n<\/tr>\n<tr>\n<td><strong>OEM \/ Marca pr\u00f3pria<\/strong><\/td>\n<td>Identidade visual, embalagens e cores personalizadas<\/td>\n<\/tr>\n<tr>\n<td><strong>Formula\u00e7\u00f5es personalizadas<\/strong><\/td>\n<td>Ajustar a densidade e as propriedades do material, incluindo formula\u00e7\u00f5es espec\u00edficas para cada frente<\/td>\n<\/tr>\n<tr>\n<td><strong>Quantidade m\u00ednima de encomenda (MOQ)<\/strong><\/td>\n<td>Contacto para quantidades m\u00ednimas<\/td>\n<\/tr>\n<tr>\n<td><strong>Envio<\/strong><\/td>\n<td>Por via mar\u00edtima (FOB Tianjin), frete a\u00e9reo e DDP dispon\u00edveis<\/td>\n<\/tr>\n<tr>\n<td><strong>Amostras<\/strong><\/td>\n<td>Amostras de pr\u00e9-produ\u00e7\u00e3o para avalia\u00e7\u00e3o<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>Produtos relacionados<\/h2>\n<ul>\n<li><a href=\"https:\/\/motobikemas.com\/pt\/produto\/100-90-19-high-performance-motorcycle-mousse-for-motocross-tires\/\">Pneu de motocicleta de alto desempenho 100\/90-19 Mousse<\/a> \u2014 Pneu de roda traseira para MX e enduro<\/li>\n<li><a href=\"https:\/\/motobikemas.com\/pt\/produto\/110-90-19-motocross-mousse-insert-mx-dirt-bike-racing\/\">Inser\u00e7\u00e3o de espuma para motocross 110\/90-19<\/a> \u2014 Pneu com mousse para a roda traseira de motos MX de tamanho normal<\/li>\n<li><a href=\"https:\/\/motobikemas.com\/pt\/produto\/120-90-18-almofada-de-espuma-para-motocicleta-de-enduro\/\">Inser\u00e7\u00e3o de espuma para motocicleta de enduro 120\/90-18<\/a> \u2014 Para rodas traseiras de enduro e de rali (18 polegadas)<\/li>\n<li><a href=\"https:\/\/motobikemas.com\/pt\/produto\/70-100-19-mousse-para-roda-dianteira-de-motocicleta-de-motocross\/\">70\/100-19 Front Wheel Motorcycle Mousse<\/a> \u2014 Front mousse for youth MX and pit bikes<\/li>\n<li><a href=\"https:\/\/motobikemas.com\/pt\/produto\/140-80-18-heavy-duty-motorcycle-mousse-for-enduro-adventure-bikes\/\">140\/80-18 Heavy Duty Motorcycle Mousse<\/a> \u2014 For adventure and heavy-duty enduro applications<\/li>\n<\/ul>\n<hr \/>\n<h2>Perguntas Frequentes<\/h2>\n<h3>Is 90\/90-21 a front or rear tire size?<\/h3>\n<p>90\/90-21 is a front wheel tire size \u2014 the industry standard front tire for virtually all full-size motocross and enduro motorcycles. The 21-inch diameter rim is universal across 250cc and 450cc dirt bike classes from every major manufacturer.<\/p>\n<h3>What is the difference between 90\/90-21 and 80\/100-21?<\/h3>\n<p>The 90\/90-21 has a 90 mm section width with a 90% aspect ratio, while the 80\/100-21 has an 80 mm width with a 100% aspect ratio. The 90\/90-21 offers slightly more front-end grip and a slightly larger overall diameter, making it popular for enduro and off-road riding. The 80\/100-21 provides lighter steering feel and is more common in motocross.<\/p>\n<h3>How long does a 90\/90-21 front mousse last?<\/h3>\n<p>Normalmente, entre 200 e 500 milhas de corrida. As mousses dianteiras costumam durar mais tempo do que as traseiras, uma vez que geram menos calor durante a travagem, em compara\u00e7\u00e3o com as cargas a que a mousse traseira \u00e9 submetida durante a condu\u00e7\u00e3o.<\/p>\n<h3>Will a 90\/90-21 mousse fit my bike?<\/h3>\n<p>If your motorcycle has a 21-inch front wheel and uses 90\/90-21 front tires, this mousse will fit. This covers virtually all full-size motocross and enduro bikes from Honda, Yamaha, Kawasaki, Suzuki, KTM, Husqvarna, GasGas, Beta, Sherco, and more.<\/p>\n<h3>Posso usar uma mousse apenas na roda da frente?<\/h3>\n<p>Yes. Many enduro and trail riders choose a mousse for the front wheel for safety and consistency while running a tube on the rear. However, running mousse on both wheels provides the best overall performance and flat protection.<\/p>\n<h3>A Motobike Mas oferece amostras antes das encomendas em grande quantidade?<\/h3>\n<p>Sim. Os clientes B2B podem solicitar amostras para avalia\u00e7\u00e3o antes de se comprometerem com encomendas em grande quantidade. Contacte a nossa equipa de vendas para organizar o envio das amostras.<\/p>\n<h3>Qual \u00e9 o prazo de entrega para encomendas OEM?<\/h3>\n<p>O prazo de entrega habitual \u00e9 de 15 a 30 dias para a produ\u00e7\u00e3o OEM padr\u00e3o, dependendo da quantidade e dos requisitos de personaliza\u00e7\u00e3o.<\/p>","protected":false},"excerpt":{"rendered":"<p>The Motobike Mas 90\/90-21 off-road motorcycle mousse insert is a nitrile rubber foam tire insert for enduro &amp; MX front wheels. Standard fitment for full-size dirt bikes. Eliminates front pinch flats, reduces rotating mass. B2B wholesale from Tianjin, China.<\/p>","protected":false},"featured_media":607,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[18],"product_tag":[112,109,123,114,110,72,116,125,119,122,121,117,111,118,124,126,113,127,115,120],"class_list":["post-640","product","type-product","status-publish","has-post-thumbnail","product_cat-motorcycle-mousse","product_tag-21-inch-mousse","product_tag-90-90-21","product_tag-beta-enduro","product_tag-cross-country","product_tag-enduro-front-tire","product_tag-enduro-racing","product_tag-front-end-grip","product_tag-front-tire-safety","product_tag-honda-crf450x","product_tag-husqvarna-fe","product_tag-ktm-exc","product_tag-log-impact-protection","product_tag-off-road-front-mousse","product_tag-rock-deflection","product_tag-sherco-enduro","product_tag-single-track","product_tag-steering-stability","product_tag-technical-terrain","product_tag-trail-riding","product_tag-yamaha-wr450f","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.1 (Yoast SEO v25.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>90\/90-21 Off-Road Motorcycle Mousse Insert for Enduro &amp; MX Front Tires | Motobike Mas<\/title>\n<meta name=\"description\" content=\"B2B wholesale 90\/90-21 off-road motorcycle mousse insert for enduro &amp; MX front tires. Nitrile rubber foam replaces front inner tube. Eliminates pinch flats. Factory direct from Tianjin, China.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/motobikemas.com\/pt\/produto\/90-90-21-off-road-motorcycle-mousse-insert-enduro-front-tires\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"90\/90-21 Off-Road Motorcycle Mousse Insert for Enduro &amp; MX Front Tires | Motobike Mas\" \/>\n<meta property=\"og:description\" content=\"B2B wholesale 90\/90-21 off-road motorcycle mousse insert for enduro &amp; MX front tires. Eliminate front pinch flats, reduce rotating mass. 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