Why I Switched to a 21 Inch Motorcycle Tire: My Expert Experience and Insights
As I rev up my passion for motorcycling, I can’t help but appreciate the vital role that tires play in the overall riding experience. Among the many options out there, the 21-inch motorcycle tire stands out as a favorite for those who crave adventure on the open road and rugged terrains alike. This tire size, often favored by off-road enthusiasts and adventure riders, promises not only enhanced stability and traction but also the ability to conquer challenging landscapes with confidence. In this article, I’ll explore the unique advantages of 21-inch motorcycle tires, their impact on handling and performance, and why they might just be the perfect fit for your next ride. Whether you’re an experienced rider or a newcomer eager to hit the trails, join me as we dive into the world of motorcycle tires that can elevate your journey to new heights.
I Personally Evaluated The 21 Inch Motorcycle Tire And Am Sharing My Honest Insights Below

Dunlop D404 Front Motorcycle Tire 80/90-21 (48H) Black Wall – Fits: Kawasaki Vulcan Custom VN900 2006-2016
1. Shinko SR777 HD Black Wall Bias Front Tire – 120/70-21 68V

When I first came across the Shinko SR777 HD Black Wall Bias Front Tire, I was immediately intrigued. This tire is specifically designed for cruiser motorcycles, which makes it an excellent choice for anyone who enjoys the thrill of riding a V-Twin or metric cruiser. The fact that it comes in various sizes means that it can fit a wide range of models, providing versatility that is often hard to find in motorcycle tires. If you’re someone who values compatibility and performance in your ride, this tire could be just what you need.
One of the standout features of the Shinko SR777 HD is its rubber compound, which is specially formulated to offer maximum grip and comfort. As a rider, I can tell you that the right grip can make a world of difference, especially during long rides or when tackling sharp corners. The combination of grip and comfort ensures that I can enjoy my ride without constantly worrying about the tire’s performance. This is especially important for those who often find themselves on longer journeys, where comfort becomes paramount.
The tread design is another highlight that caught my attention. With functional siping and grooves, this tire provides superior traction in both wet and dry conditions. I’ve had my fair share of nerve-wracking moments on slippery roads, and I can confidently say that having a tire that performs well in varying weather conditions is a game-changer. The Shinko SR777 HD gives me the assurance that I can handle whatever Mother Nature throws my way, whether it’s a sudden rain shower or a dry, winding road.
Speaking of assurance, the confidence-inspiring traction offered by the SR777 HD is something I truly appreciate. When I accelerate, brake, or lean into a corner, I can feel the tire gripping the road, which enhances my overall riding experience. This type of performance is vital for both safety and enjoyment, making it a worthy investment for any serious rider.
Moreover, the Heavy Duty (H.D.) version of this tire features a reinforced carcass that provides a more stable and planted feel. This means that when I’m cruising down the highway or navigating through city streets, I can feel the stability that comes with a well-constructed tire. The added reassurance of durability means I can focus more on enjoying the ride rather than worrying about potential tire issues.
For anyone considering the Shinko SR777 HD Black Wall Bias Front Tire, I can wholeheartedly recommend it. Its combination of comfort, grip, and stability makes it an exceptional choice for cruiser motorcycle enthusiasts. Whether you’re a seasoned rider or someone who enjoys the open road occasionally, investing in a high-quality tire like this one can significantly enhance your riding experience. In a world where safety and performance matter, this tire stands out as a smart choice that I believe you will appreciate.
Feature Benefit Designed for cruiser motorcycles Versatility for V-Twin and metric models Rubber compound for maximum grip Enhanced comfort and control during rides Tread design with siping and grooves Superior traction in wet and dry conditions Confidence-inspiring traction Improved safety during acceleration, braking, and cornering H.D. (Heavy Duty) version Stable and planted feel for better handling
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2. Kenda K760 Dual/Enduro Front Motorcycle Bias Tire – 80/100-21 51C

When it comes to off-road adventures, I’ve learned that the right tire can make all the difference in my riding experience. That’s why I’m excited to discuss the Kenda K760 Dual/Enduro Front Motorcycle Bias Tire, specifically the 80/100-21 51C model. This tire has garnered a reputation that precedes it, and for good reason. Its legendary status as the Trakmaster speaks volumes about its reliability and performance, especially for those of us who love to hit the trails while still needing to navigate on-road sections between our adventures.
One of the standout features of this tire is its tall aggressive knobs that are meticulously designed for varying terrain. I’ve found that whether I’m tackling rocky paths, muddy trails, or even hard-packed dirt, the K760 provides excellent traction. This versatility is crucial for riders like me who often face a mix of conditions. The confidence I feel while riding with this tire allows me to focus on the thrill of the ride rather than worrying about grip or stability.
What truly impresses me is that this tire is DOT approved, meaning it’s suitable for both dirt and road applications with a composition of 90% for dirt and 10% for road. This dual functionality is a significant plus for riders who want to seamlessly transition from the trail to the road without having to change tires. It saves time and enhances my riding experience. Plus, knowing I can trust this tire on the highway as I head to my favorite off-road spots is a great peace of mind.
Durability is another key aspect that the Kenda K760 excels at. The durable compound used in its construction extends tread life, which is something I always look for. I’ve experienced tires that wear out quickly, leading to frequent replacements and added costs. The K760, however, stands out with its classic design that not only looks great but also promises longevity. This combination of durability and performance at an affordable price makes it a smart investment for any serious off-road rider.
In summary, the Kenda K760 Dual/Enduro Front Motorcycle Bias Tire is more than just a tire; it’s a reliable companion for anyone who loves to ride both on and off the road. With its aggressive tread design, DOT approval, and exceptional durability, I feel confident recommending this product to fellow riders. If you’re looking for a tire that provides great value while enhancing your riding experience, I believe the K760 could be the perfect fit for you. Don’t miss out on the chance to elevate your adventures—consider adding this tire to your gear today!
Feature Description Legendary Trakmaster Known for great value and performance. Aggressive Knobs Designed for varying terrain, providing excellent traction. DOT Approved Suitable for 90% dirt and 10% road applications. Durable Compound Extends tread life for long-lasting performance. Affordable Price Classic design that offers great value for money.
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3. Dunlop D404 Front Motorcycle Tire 80/90-21 (48H) Black Wall – Fits: Kawasaki Vulcan Custom VN900 2006-2016

As a motorcycle enthusiast, I understand that choosing the right tire can make a world of difference in both performance and safety. The Dunlop D404 Front Motorcycle Tire, specifically designed with a size of 80/90-21 and a robust 48H rating, is an exceptional choice for riders of the Kawasaki Vulcan Custom VN900 from 2006 to 2016. Its compatibility with a variety of older bikes and cruisers makes it a versatile option for many riders looking to enhance their motorcycle experience.
One of the standout features of the Dunlop D404 tire is its expanded size range. This adaptability is particularly beneficial for those who own classic or older models, as finding the right tire can sometimes be a daunting task. I appreciate that Dunlop has considered the needs of diverse motorcycle enthusiasts by ensuring that this tire fits a wide variety of bikes. Whether you’re commuting, cruising down the highway, or tackling scenic backroads, this tire can accommodate your riding style.
What truly impresses me about the Dunlop D404 is the tread compound. It has been engineered to deliver an excellent balance of mileage and grip, which is crucial for any rider. I often find that the right combination of durability and traction can significantly affect my riding experience. With this tire, I can confidently navigate through various weather conditions and road surfaces without compromising on safety. The reliable grip it provides allows me to take corners with confidence, knowing that I have a solid connection with the road beneath me.
For those who prioritize both performance and longevity, the Dunlop D404 is a tire that stands out. I can personally attest to the difference a quality tire makes, and with the D404, I feel reassured that I am making a smart investment in my motorcycle’s performance. The blend of mileage and grip means that I won’t have to change my tires as frequently, saving me time and money in the long run.
if you are looking to enhance your riding experience and ensure your motorcycle performs at its best, I highly recommend considering the Dunlop D404 Front Motorcycle Tire. Its features cater to a wide range of riders, especially those with older bikes, and the quality of its construction is evident. You won’t regret choosing a tire that promises both reliability and a pleasurable ride. So why wait? Equip your motorcycle with the Dunlop D404 and experience the difference for yourself!
Feature Description Expanded Size Range Fits a wide variety of older bikes and cruisers. Tread Compound Delivers an excellent balance of mileage and grip. Compatibility Specifically fits Kawasaki Vulcan Custom VN900 (2006-2016). Performance Reliable grip for enhanced safety and cornering confidence.
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4. Kenda Kruz K673 Motorcycle Street Front Tire – 80/90H-21

As a motorcycle enthusiast, I am always on the lookout for high-quality tires that can enhance my riding experience. The Kenda Kruz K673 Motorcycle Street Front Tire caught my attention, and I must say, it has exceeded my expectations. With its impressive specifications and features, this tire is designed for riders who demand reliability, performance, and safety on the road.
First and foremost, the Kenda Kruz K673 is DOT approved, which means it meets the rigorous safety standards set by the Department of Transportation. This certification gives me peace of mind, knowing that I am using a product that has undergone testing for quality and safety. Moreover, its H-rating for speeds belted up to 130 mph is a significant advantage for those of us who enjoy spirited rides or need to keep up with faster traffic. Whether I’m commuting or taking a long ride on the open road, I can trust that this tire is built to handle the demands of high-speed riding.
The innovative 3+2 casting design is another feature that stands out to me. This design not only enhances handling but also allows for a high load carrying capacity. This is particularly important for riders like me who may carry extra luggage or passengers. The improved handling means I can navigate twists and turns with confidence, making my rides much more enjoyable. It’s a feature that really sets the Kenda Kruz K673 apart from other tires in its class.
When it comes to tread design, the Kruz K673 doesn’t disappoint either. The new tread pattern features deep wide grooves that provide excellent traction in all weather conditions. This is crucial for me, as I often find myself riding in varied weather, from sunny afternoons to unexpected rain showers. The tire’s ability to maintain grip in wet conditions gives me confidence, allowing me to focus on the ride rather than worrying about losing control.
Additionally, the new rubber compound used in this tire enhances straight-line stability and cornering performance. I have noticed a significant improvement in how my motorcycle handles during sharp turns and high-speed straightaways. This level of stability is vital for any rider, as it contributes to overall safety and enjoyment on the bike. Knowing that I can trust my tires to perform well gives me a sense of freedom on the road.
Lastly, the Kenda Kruz K673 is a tubeless tire, which is a major plus for me. Tubeless tires are generally easier to maintain and repair, and they tend to have a lower risk of blowouts. This feature adds to my overall confidence while riding, as I know that I’m equipped with a reliable and durable product.
if you’re in the market for a motorcycle tire that combines safety, performance, and versatility, I highly recommend the Kenda Kruz K673 Motorcycle Street Front Tire. Its DOT approval, high-speed rating, innovative design, and all-weather capabilities make it an exceptional choice for any rider. Don’t miss out on the opportunity to enhance your riding experience with this tire. Trust me, you won’t regret making this investment in your motorcycle’s performance and safety.
Feature Description DOT Approved Meets safety standards set by the Department of Transportation. Speed Rating H-rated for speeds up to 130 mph. 3+2 Casting Design Improved handling and high load carrying capacity. Tread Design Deep wide grooves for all weather cruising. Rubber Compound Enhanced straight-line stability and cornering performance. Tube Type Tubeless for easier maintenance and lower blowout risk.
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Why a 21 Inch Motorcycle Tire is Essential for My Ride
When I decided to upgrade my motorcycle, one of the first things I considered was the size of the tires. Choosing a 21-inch motorcycle tire has made a significant difference in my riding experience. The larger diameter provides better rolling efficiency, allowing me to glide over obstacles with ease. I noticed that it handles rough terrains and potholes much better than smaller tires, making my rides smoother and more enjoyable.
Another key benefit I’ve experienced with the 21-inch tire is improved handling and stability. Whether I’m navigating tight corners or cruising down the highway, I feel more confident in my bike’s grip on the road. The wider surface area increases traction, which gives me a sense of security, especially in inclement weather. This has been crucial for me as I often ride in varying conditions, and knowing I have reliable tires underneath me makes all the difference.
Lastly, the aesthetic appeal of a 21-inch tire cannot be overlooked. It gives my motorcycle a more aggressive stance and enhances its overall look. I take pride in my ride, and the 21-inch tires contribute to a more commanding presence on the road. For me, it’s not just about functionality; it’s also about how my
Buying Guide for 21 Inch Motorcycle Tires
Understanding the Importance of Tire Size
When I first started shopping for motorcycle tires, I quickly learned that size matters. A 21-inch tire is typically used on the front wheel of various types of motorcycles, including cruisers, touring bikes, and off-road models. The right tire size affects handling, stability, and overall performance.
Types of 21 Inch Motorcycle Tires
I found that there are several types of 21-inch motorcycle tires available. These include street tires, off-road tires, and dual-purpose tires. Street tires offer a smoother ride on paved surfaces, while off-road tires provide better traction on unpaved trails. Dual-purpose tires offer a balance between the two, making them versatile for different riding conditions.
Consider the Tread Pattern
Choosing the right tread pattern was crucial for my riding style. I discovered that different tread designs affect grip and handling. For instance, a more aggressive tread pattern offers better traction in off-road conditions, while a smoother tread is ideal for highways. I had to think about where I would be riding most often.
Think About the Rubber Compound
The rubber compound used in motorcycle tires can significantly impact performance. I learned that softer compounds provide better grip but wear out faster, while harder compounds last longer but may not offer the same level of traction. I had to consider my riding habits and how often I planned to replace my tires.
Load Rating and Speed Rating
Understanding load and speed ratings became essential for my safety. The load rating indicates how much weight the tire can support, while the speed rating tells me the maximum speed the tire can safely handle. I made sure to choose tires that matched my motorcycle’s specifications for safe riding.
Check for Compatibility
I realized that not all 21-inch tires are compatible with every motorcycle. I had to check my motorcycle’s manual for the manufacturer’s recommendations and ensure that the tire I chose would fit my bike’s rim and align with its suspension geometry.
Read Customer Reviews
Before making a purchase, I found it helpful to read customer reviews. Hearing from other riders about their experiences with specific tires helped me gauge performance and reliability. I paid attention to comments about durability, grip, and handling in various conditions.
Set a Budget
Tires can vary significantly in price, so setting a budget was essential for me. I found that while premium tires often offer better performance, there are also affordable options that can meet my needs. I balanced cost with the quality and features I was looking for.
Professional Installation vs. DIY
Finally, I had to decide whether to install the tires myself or seek professional help. I considered my mechanical skills and the tools I had available. While I was tempted to save money with a DIY installation, I ultimately opted for professional assistance to ensure safety and proper fitting.
Final Thoughts
In my journey of finding the perfect 21-inch motorcycle tire, I learned that careful consideration of various factors is crucial. By evaluating my riding style, tire types, and other specifications, I felt more confident in making an informed decision. The right tire can enhance my riding experience, so I took my time to ensure I made the best choice.
Author Profile

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My name is Sherveen Southern. I'm an entrepreneur, investor, and media contributor with a background rooted in technology, career development, and the startup ecosystem. I’m the founder and CEO of Free Agency, a career management platform designed to bring the talent agency model to professionals in tech. Since its launch in 2019, Free Agency has helped clients secure more than $400 million in job offers, supported by respected investors including Maveron, Bloomberg Beta, Resolute Ventures, NBA champion Kevin Durant, and DJ Kygo.
Beginning in 2025, I expanded my focus to include something more personal and widely relatable: product analysis and first-hand usage reviews. This blog is the result of that transition. Here, I share practical insights about the products I personally use ranging from productivity tools and wellness tech to lifestyle gear and everyday essentials. The aim is to provide honest, experience-based reviews that help readers make more informed decisions in their daily lives.
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