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Top 10
August 2025
Best 21 Inch Motorcycle Inner Tube Heavy Duty
We made a list of the top 10 21 Inch Motorcycle Inner Tube Heavy Duty based on verified reviews, popularity and other factors which we summarized for you in this list.
Best Choice
1
2.75/3.00-21” Heavy Replacement Inner Tube, 80/100-21(300/325-21) Replacement Tire, 21 Inch Inner Tube, for Dirt Bike, Pit Bike and More (2 Pack)
Hromra
9.6
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【COMPATIBLE】: 2.75/3.00-21” heavy duty inner tube , Compatible size : 2.75/3.00-21”, 80/100-21(300/325-21), 21 Inch replacement Inner Tube , Before placing your order, Please verify the tire size and ensure compatibility.
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【THICKENED INNER TUBES】: 21 inch tires made from premium-quality butyl rubber. These inner tubes are thicker than average inner tubes in the market. Thick and uniform inner tube for maximum comfort while providing required strength, flexibility and durability.
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【ENHANCED AIR RETENTION】: The inner tube, crafted from high-quality butyl rubber, effectively prevents air leakage, ensuring superior air retention. butyl rubber tubes offer better air permeability and can maintain pressure for extended periods without leaks.
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【TIRE MATERIAL】: Made of high-quality butyl rubber, It offers excellent elasticity and shock absorption, As well as wear resistance, strong grip, and heat resistance.
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【PACKAGE INCLDDES】: Product contains: 2 x Inner Tube. If you receive the inner tube, please soak it in water. If there are bubbles in the water, it means the tyre was damaged during shipping. We will reship it for you.
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12% Discount
2
IRC Standard Motorcycle Tube 80/100-21 HEAVY DUTY
IRC
9.4
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Impressive joint and replacement valve strength; for replacement valve Stem Types see above
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Two to three times thicker than standard tubes, IRC heavy-duty tubes are incredibly durable, abrasion-resistant and feature great impact-absorption
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Impressive joint and valve strength; for Valve Stem Types see above
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3
Rippin Moto 90/90-21 or 80/100-21 (3.00 X 21) Heavy Duty Motorcycle Tube - Premium 3MM Thick Natural Rubber - TR4 Valve - Fits Most 21" Motocross and Dirt Bike Tires (3.00-21)
Rippin Moto
9.3
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HIGH QUALITY 90/90-21 Motorcycle Tube: This 21" Heavy Duty inner tube is the perfect fit for OEM and after-market front tires of most full-size motocross and enduro off-road motorcycles, providing reliable fitment for 90/90-21 or 80/100-21 21" motocross tires (3.00 x 21).
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HEAVY DUTY 3 MM THICK: Made with 3mm thicken natural rubber, this inner tube is designed to withstand the toughest riding conditions and provide maximum durability.
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ENHANCED DURABILITY & SAFETY: These inner tubes are engineered to withstand the challenges of rough terrain, featuring advanced pinch and puncture resistance that prevents explosive ruptures and potential harm to both your motorcycle and yourself. They are also expertly molded to prevent pinching, resist twisting, and avoid splitting from the valve stem base, ensuring maximum protection and performance.
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TR4 VALVE STEM: The TR4 valve stems feature short, straight, and threaded designs that offer both ease and safety during inflation. As a standard valve stem, TR4 is compatible with most hand pumps, making it easy to find a suitable pump for your needs. These heavy-duty valve stems are also firmly seated in the tubes via vulcanization, ensuring maximum stability and reliability.
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FOR OFF-ROAD & MOTOCROSS TIRES: For dirt bikes, off-road motorcycles, and motocross motorcycles, heavy-duty inner tubes are a must for optimal comfort and protection. These specially designed tubes can handle even the most challenging terrains, offering the best and most cost-effective replacement option. With superior durability and resilience, these tubes are the perfect fit for off-road and motocross tires, giving riders the peace of mind they need to tackle any track with confidence.
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FREE-REPLACEMENT WARRANTY: Scan QR code on product box to register your FREE 6-MONTH replacement warranty (Just pay S/H)
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4
PIVOTRAX-90/90-21 or 80/100-21 (3.00 X 21) Heavy Duty Motorcycle Tube - 3mm Thick - TR4
PIVOTRAX
9.2
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Crafted for Durability: This motorcycle inner tube boasts a robust 3mm thickness and puncture-resistant butyl rubber, ensuring steady performance across diverse terrains.
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Designed for Safety: Tailored for motocross, off-road, and dirt bike applications, this inner tube ensures enhanced protection for both rider and bike. Fits for HondaAfrica Twin, CRF-230L, CRF 250l, TLR 200 Reflex, XR650L, CRF230, CRF250, CR250 Suzuki DR350, DR250S, DRZ400, DRZ250, RM125 Kawasaki KLR, KDX200, KLR 650, KX125, KLX150, KDX250 YamahaYZ450F, TTR230, YZ125 Coolster TaoTao BMW R1200G, F800 GS Harley FXST, Fatboy, Sportster Stealth Bomber ebike KTM 300XC, 450, 350 E
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Seamless Design: The seam-free construction mitigates air leaks, maintaining consistent air pressure over extended periods.
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Easy Installation: Designed with a TR4 valve stem, ensuring straightforward installation and compatibility with a wide range of tire types and sizes.
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Reliable Quality: Crafted from durable materials, this motorcycle inner tube is purpose-built for the demanding conditions of off-road riding, offering riders a dependable choice. Additionally, our prompt shipping ensures a swift return to your riding adventures.
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5
Tusk Heavy Duty 2mm Motorcycle Tube 80/100x21
TUSK
9.1
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Replacement 2mm Motorcycle Tube is perfect to replace leaky or punctured tubes.
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Better materials and added thickness make this a heavier duty option to standard tubes.
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Made from high quality butyl rubber for a long lasting life.
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Great upgrade from your OE tube and a great spare option.
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TR-4 valve stem.
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6
GICOOL 2.75/3.00-21” (80/100-21) Motorcycle Replacement Inner Tubes, 2 Pack with TR4 Valve Stem, Fits for Dirt Bike, Pit Bike and More
GICOOL
9.0
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UNIVERSAL 2.75/3.00-21”(80/100-21)INNER TUBES: Two pack of 21” inner tube replacements for 2.75/3.00-21, 90/80-21, 90/90-21, 100/80-21
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PREMIUM NATURAL RUBBER: Our inner tubes are made of natural rubber with a thickened finish to better absorb impacts, are less likely to be punctured, and have a longer overall service life, making them more suitable for riding
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EXCELLENT AIRTIGHTNESS: Our inner tubes inflate smoothly and have excellent air tightness. The valve seat is thicker and stronger to prevent tearing and breaking, eliminating the hassle of frequent inflation and saving you time
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SAFE AND COMFORTABLE TO USE: Engineered to seal punctures, this dirt bike inner tube provides exceptional durability while effectively preventing damage from vandalism and minimizing the risk of injury, suitable in weather condition
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EASE OF INSTALLATION: Our replacement 2.75/3.00-21 inner tube with TR4 straight valve stem is easy to install. Just a short, simple change and you're back on the road
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7
PROTRAX PT1040 Motorcycle Heavy Duty Inner Tube Replacement - 2.75-3.00 x 21 Inch Front - 3mm Thick - Tire Tube Compatible with Honda CR125 CR250 Husqvarna TE250 Kawasaki KDX200 KX125 KX250 KTM 125SX
PROTRAX
8.9
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✅ MADE FROM HIGH QUALITY PREMIUM MATERIALS - ProTrax super thick inner tube is a blend of natural and butyl rubber. Butyl rubber is the perfect choice because it's great for shock absorption and has exceptionally resistant to heat, aging, puncture, and weather. The rubber is twice as thick as OEM tubes to help resist punctures and pinch flats. These inner tire tubes are designed to last and keep you riding longer!
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✅ MAXIMIZE YOUR PERFORMANCE - Finally a tire tube you can rely on! All levels of riders covered, from the amateur racers reaching for pro status, to the weekend trail rider who is just out having fun with his kids. No matter if you are riding on the highway or driving over rocks, tree stumps, gravel, or ditches, our ProTrax tubes were built with reliability and safety in mind.
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✅ ADVANCED TECHNOLOGY AND STRONG FABRICATION PROVIDES MORE SAFETY - These tubes are designed to hold the valve stem powerfully to the tube. Unlike lower quality OEM tubes, ProTrax inner tire tubes are less likely to pinch when changing. Every inch of these tubes is made using the finest materials and advanced technology, considering the endurance and performance expected. Using ProTrax tire inner tubes will decrease your chances of getting a flat tire compared to competing tubes on the market
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✅ OPTIMAL THICKNESS AND COMPATIBILITY - These tire tubes measure 3mm thick, and fits 2.75-3.00 x 21 inch front tires (2.75-21, 3.00-21, 90/90-21, 70/100-21, 80/100-21, 100/80-21). We know other brands offer 4mm tubes, but from our experience, they are too stiff, not flexible, and limits the motor cycle. Compatible with various Honda, Husaberg, Husqvarna, Kawasaki, KTM, Suzuki, and Yamaha dirt bike models. Please refer to fitment chart before purchasing to confirm this product will fit.
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✅ YOUR SATISFACTION IS OUR #1 PRIORITY - We take pride in manufacturing motorcycle parts that save you time and money while not compromising on quality. Your safety and performance are what matters most. If you have any questions or concerns about your product, please reach out to us and we would be happy to assist you. This product comes with a 30-day warranty.
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8
AR-PRO 2.75/3.00-21" Dirt Bike Inner Tube, 90/90-21 80/100-21 Heavy Duty Motorcycle Tube with TR4 Staight Valve Stem, Made from Thick Premium Rubber (1-Pack)
AR-PRO
8.8
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Perfect Fit for 21-Inch Dirt Bike Wheels: This heavy-duty motorcycle inner tube is compatible with 2.75/3.00-21 dirt bike tires and fits sizes 90/90-21, 90/80-21, and 80/100-21. Designed for 21-inch dirt bike wheels, it features a reliable TR4 valve stem for easy installation and a snug fit on many off-road and adventure motorcycles.
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Thick Premium Rubber for High Durability: Crafted from extra-thick rubber, this 21 inch dirt bike inner tube offers excellent shock absorption on rugged trails. Built for motocross, dual-sport, and trail bikes, its high-resilience rubber helps resist pinch flats and punctured during aggressive rides over rocks, roots, and uneven terrain.
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Seamless Construction Minimizes Air Leaks: The seamless design of this motorcycle tube reduces the risk of air leaks and helps maintain steady pressure for longer. Whether you're riding in the heat, cold, or mud, it delivers consistent performance, making it a dependable front inner tube for dirt bikes and off-road motorcycles.
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Fits Popular Dirt & Adventure Bikes: Compatible with leading models like Honda CRF250L, XR650L, Yamaha YZ125, Suzuki DRZ400, KTM 300XC, Kawasaki KLR650, BMW F800GS, and more. Always check your tire sidewall for correct size—this dirt bike inner tube is a versatile replacement for many front 21-inch wheels.
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Ready for All Seasons and All Terrain: From rocky hills to muddy tracks, this heavy-duty 2.75/3.00-21 motorcycle tube performs in every condition. Heat- and cold-resistant, it's ideal for motocross racing, long-distance touring, and weekend trail riding—making it a must-have for dirt bike enthusiasts.
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9
Premium Hyssk 2.75/3.00-21" Motorcycle Inner Tube for 80/100-21,90/90-21,90/100-21 Dirt Pit Bike Front Tire
Hyssk
8.7
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PREMIUM BRAND REPUTATION: We insist on selling high-quality products. Our brand has gained recognition from many customers and received high product ratings, establishing a superior brand image.
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COOPERATED QUALIFIED FACTORIES: The factory we cooperate with have not only owns ISO9001 certification, but also DOT and E-Mark certification, which generally factories could not provide. So products are guaranteed and more reassuring.
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SAME YET DIFFERENT: Why don't you buy a better tube? You just know that we sell the same size, but you don't know theirs manufacturing formula and performance are great different. Only by using and comparing them can we truly understand their differences.
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COMPATIBLE TYPE: Heavy duty 2.75/3.00-21" inch tube with TR4 straight valve stem. They perfect fits for some 2.75-21 or 3.00-21 or 80/100-21 or 90/90-21 front tire, Also fits for Honda CRF230/CRF250/CR250, Suzuki DRZ250/RM125, Kawasaki KX125/KLX150/KDX250, Yamaha TTR230/YZ125 Coolster TaoTao etc Front tires.
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EXCELLENT CUSTOMER SERVICE: No product is perfect, excellent after-sales service is a strong backing for maintaining brand image. So, please contact us through the Amazon email system to resolve the problem properly which they can't handle.
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10
80/100-21 90/90-21 Dirt Bike Tube Motorcycle Tube 80/90-21 90/100-21 2.75/3.00-21 (300/325-21) for Klr 650/450 Mh90-21 Front Motorcycle Tire Tube-Heavy Duty-3mm Thick - TR4
ZLGouES
7.8
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Fits for: Honda Africa Twin, CRF-230L, CRF 250l, TLR 200 , XR650L, CRF230, CRF250, CR250 Suzuki DR350, DR250S, DRZ400, DRZ250, RM125 Kawasaki KLR, KDX200, KLR 650, KX125, KLX150, KDX250 YamahaYZ450F, TTR230, YZ125 , F800 GS Harley FXST, Fatboy, KTM 300XC, 450, 350 E
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Size:2.75/3.00-21" Replacement inner tube, also fits 80/90-21, 80/100-21, 90/100-21 and 90/90-21 or 2.75-21 or 3.00-21 tires tube. Fit vehicle with 21” tires that are between 2.75'' to 3.00'' wide.
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HEAVY DUTY 3.0MM THICK: 2.75/3.00-21 dirt bike tube Made with 3.0mm thicken natural rubber, 2.75-21 tube this inner tube is designed to withstand the toughest riding conditions that absorbs shocks, bumps and hollows Let's begin the adventure !
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SAFE & EXPLOSION-PROOF:ENHANCED DURABILITY & SAFETY: 3.00-21 Inner tubes are engineered to withstand the challenges of rough terrain, featuring advanced pinch and puncture resistance that prevents explosive ruptures and potential harm to both your motorcycle and yourself. 3.00-21 tire tube Safe in any season or weather condition.
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TR4 VALVE STEM: The TR4 valve stems 3.00-21 dirt bike tube feature short, straight, and threaded designs that offer both ease and safety during inflation. 2.75-21 tube are also expertly molded to prevent pinching, resist twisting, and avoid splitting from the valve stem base, ensuring maximum protection and performance. 2.75/3.00-21 tire tube preventing explosive punctures that can cause damage to your bike or injury to the rider.
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