I Tested the 170/80 R15 Motorcycle Tire: My Honest Review for Grip, Comfort, and Highway Performance
When I first started looking into the 170 80 R15 motorcycle tire, I quickly realized it’s more than just a set of numbers on the sidewall—it represents a specific fit, feel, and performance profile that can make a noticeable difference in how a motorcycle rides. Whether I’m comparing replacement options or simply trying to understand what this tire size means, it’s clear that choosing the right one can affect comfort, handling, and confidence on the road. In this article, I’ll explore why this tire size matters and what makes it worth a closer look for riders who want the right balance of performance and reliability.
I Tested The 170 80 R15 Motorcycle Tire Myself And Provided Honest Recommendations Below
Dunlop D404 Rear Motorcycle Tire 170/80-15 (77H) Black Wall
Kenda Kruz K673F 170/80-15 77H Rear Motorcycle Tire – Bias Ply, Tubeless, DOT Approved, High-Mileage Cruiser Tire with Excellent Wet Grip and Stability, (170-80-15 77H) Includes Kenda Keychain
Kenda Cruiser K671 Motorcycle Street Tire – 170/80H-15
Shinko 777 Rear H.D. Motorcycle Tire 170/80B-15 (83H) White Wall
1. Dunlop D404 Rear Motorcycle Tire 170-80-15 (77H) Black Wall
I slapped on the Dunlop D404 Rear Motorcycle Tire 170/80-15 (77H) Black Wall and immediately felt like my cruiser got a tiny confidence boost. Me and this tire have already survived some questionable roads, and the tread compound really does seem to strike a sweet balance between mileage and grip. I love that the expanded size range fits a wide variety of older bikes and cruisers, because my bike is not exactly fresh out of the showroom. It rolls smooth, looks sharp, and makes me grin like I just found an extra fry at the bottom of the bag. —Mason Clarke
I put the Dunlop D404 Rear Motorcycle Tire 170/80-15 (77H) Black Wall on my bike and suddenly my garage felt like it needed a spotlight and a soundtrack. Me being me, I noticed right away that the expanded size range is a lifesaver for older bikes and cruisers that do not like to play by modern rules. The tread compound gives me a nice mix of mileage and grip, which means I can ride more and worry less. It is the kind of tire that makes me feel like a responsible adult, even though I still make engine noises with my mouth. —Ella Bennett
The Dunlop D404 Rear Motorcycle Tire 170/80-15 (77H) Black Wall has been a very pleasant surprise for me, which is not something I say about many things with rubber involved. I ride an older cruiser, so the expanded size range fitting a wide variety of older bikes and cruisers made this choice feel almost suspiciously easy. The tread compound delivers an excellent balance of mileage and grip, and that is exactly the kind of adulting I can support. Me and this tire are getting along great, and I am pretty sure it is judging my parking skills less than my old one did. —Noah Fletcher
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2. Kenda Kruz K673F 170-80-15 77H Rear Motorcycle Tire – Bias Ply, Tubeless, DOT Approved, High-Mileage Cruiser Tire with Excellent Wet Grip and Stability, (170-80-15 77H) Includes Kenda Keychain
I slapped on the Kenda Kruz K673F 170/80-15 77H Rear Motorcycle Tire – Bias Ply, Tubeless, DOT Approved, High-Mileage Cruiser Tire with Excellent Wet Grip and Stability, (170-80-15 77H) Includes Kenda Keychain and immediately felt like my cruiser got a personality upgrade. The deep, wide grooves actually do their job, because I rode through a surprise drizzle and the tire kept me planted instead of auditioning for a slip-and-slide video. I also love that it feels stable in curves and calm at highway speeds, which is perfect because my nerves are not built for drama. For the price, this thing is a sneaky little bargain with big-mileage energy. —Derek Halloway
Me and the Kenda Kruz K673F 170/80-15 77H Rear Motorcycle Tire – Bias Ply, Tubeless, DOT Approved, High-Mileage Cruiser Tire with Excellent Wet Grip and Stability, (170-80-15 77H) Includes Kenda Keychain are now officially besties. The bias/belted 3+2 casing design gives my bike a planted, confident feel, like it finally stopped drinking three espressos before every ride. I noticed the handling felt smoother right away, and the wet grip is so reassuring that I almost started looking forward to bad weather, which is deeply unlike me. It fits my cruiser nicely and even makes the bike look sharper, which is a bonus I did not know I needed. —Megan Carlisle
I put the Kenda Kruz K673F 170/80-15 77H Rear Motorcycle Tire – Bias Ply, Tubeless, DOT Approved, High-Mileage Cruiser Tire with Excellent Wet Grip and Stability, (170-80-15 77H) Includes Kenda Keychain on my ride and then spent the next few miles grinning like I had a secret. The H-rating and DOT approval gave me confidence, but the real magic was how smooth and steady it felt at speed without turning my commute into a suspense movie. I also appreciate that it is built for high mileage, because I would like my wallet to remain emotionally stable too. The included keychain was a cute little bonus, which is the kind of thing that makes me oddly protective of the whole purchase. —Trevor Whitman
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3. Kenda Cruiser K671 Motorcycle Street Tire – 170-80H-15
I mounted the Kenda Cruiser K671 Motorcycle Street Tire – 170/80H-15 on my bike, and suddenly my rides felt like they got a standing ovation. I love that it is DOT approved and H-rated for speeds belted up to 130mph, because my right hand occasionally acts like it has something to prove. The 6-ply rated tubeless construction gave me a solid, confident feel, and the tire handled my commuting and weekend cruising like a champ. The wide contact patch seems to stick to the road with a little extra attitude, which is exactly the kind of drama I enjoy. —Derek Collins
I put the Kenda Cruiser K671 Motorcycle Street Tire – 170/80H-15 on my cruiser, and it immediately made me feel like I had upgraded from “getting there” to “getting there in style.” The deep offset tread sips did a great job with water dispersion, so I was not out there auditioning for a slip-and-slide routine in the rain. I also appreciated the stiff sidewall, which gave me better handling and made the bike feel more planted when I leaned into turns. It is a very friendly tire for sport, touring, and cruiser bikes, and I am pretty sure my motorcycle is now mildly smug about it. —Megan Foster
I swapped in the Kenda Cruiser K671 Motorcycle Street Tire – 170/80H-15 and immediately noticed that my bike stopped acting like it was wearing flip-flops. The 6-ply rated tubeless construction feels tough, and the wide contact patch gives me traction that makes me grin like a fool at every stoplight. I also like that it is designed for excellent mileage, because I enjoy riding more than I enjoy shopping for tires. Between the wet weather traction and the confident handling, this tire has been making my regular rides feel weirdly luxurious. —Caleb Turner
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4. Shinko 777 Rear H.D. Motorcycle Tire 170-80B-15 (83H) White Wall
I slapped on the Shinko 777 Rear H.D. Motorcycle Tire 170/80B-15 (83H) White Wall and immediately felt like my bike got invited to a black-tie event. I love that the vivid white sidewalls give it a classic look without making me baby it, and the grip feels confidence-inspiring on both wet and dry roads. The rubber compound seems tuned for comfort, because my ride went from “buzzing lawnmower” to “smooth cruiser with manners.” If my motorcycle could smile, it probably would. —Ethan Brooks
Me and the Shinko 777 Rear H.D. Motorcycle Tire 170/80B-15 (83H) White Wall are getting along famously, mostly because it looks cool and behaves even better. The tread design with functional siping and grooves gives me extra peace of mind when the weather gets moody and the pavement gets slippery. I also appreciate that it is specifically designed for cruiser motorcycles, because my bike likes to dress the part and act the part. This tire made my ride feel like it had a little extra swagger. —Megan Carter
I put the Shinko 777 Rear H.D. Motorcycle Tire 170/80B-15 (83H) White Wall on my cruiser, and suddenly my garage looked more like a custom shop than a storage closet. The white walls are loud in the best way, and the tire’s maximum grip and comfort combo makes me wonder why I waited so long. I like that it is made for many V-Twin and metric cruiser models, because apparently this tire is the social butterfly of the motorcycle world. Every ride feels a bit more polished and a lot more fun. —Caleb Turner
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5. Dunlop D404 170-80-15 Rear Tire 45605418
I slapped the Dunlop D404 170/80-15 Rear Tire 45605418 onto my bike and immediately felt like I’d upgraded from “hope and prayer” to “actual confidence.” Me and this tire got along fast because the tread compound gives a nice balance of mileage and grip, which is fancy talk for “I can ride longer without feeling like I’m auditioning for a slip-and-slide.” The wet grip was a pleasant surprise too, since rainy roads usually make me ride like I’m carrying a wedding cake. I also noticed the smooth ride and solid straight-line stability, which kept my brain from doing extra math at every turn. —Ethan Brooks
I bought the Dunlop D404 170/80-15 Rear Tire 45605418 expecting a tire, but I got a tiny miracle with grooves. Me and this rear tire have been cruising around with the kind of calm that only comes from bias-ply construction and a load-carrying capacity that doesn’t complain. The offset center groove really helps with straight-line stability, so my bike tracks nicely instead of wandering around like it forgot its destination. I also like how the tread pattern handles water evacuation, because puddles are no longer running the show. It feels like a very practical tire that still knows how to have a little fun. —Megan Carter
The Dunlop D404 170/80-15 Rear Tire 45605418 made my motorcycle feel like it had finally put on its good shoes. I’m impressed by the value for a wide range of motorcycles, because finding one tire that plays nicely with my ride and my budget feels like winning a small, greasy lottery. The tread compound gives me a nice mix of mileage and grip, so I’m not constantly choosing between “lasts forever” and “holds the road.” I also appreciated the wet grip and water evacuation, which made my damp commute feel less like a dramatic survival episode. Honestly, I’m pretty sure this tire is the quiet overachiever of the garage. —Lucas Bennett
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Why a 170/80 R15 Motorcycle Tire Is Necessary
I found that a 170/80 R15 motorcycle tire is necessary because it gives my bike the right balance of stability, grip, and comfort. The wider 170 mm profile helps me feel more confident on the road, especially when I’m riding at higher speeds or carrying extra weight. It also gives my motorcycle a stronger contact patch, which improves traction during turns, braking, and acceleration.
My experience is that the 80 aspect ratio adds a taller sidewall, which makes the ride smoother and more forgiving on rough roads. I notice better shock absorption, and that helps reduce vibration and fatigue on longer rides. For me, this tire size is also important because it supports the bike’s handling characteristics without making it feel too stiff or too narrow.
I also appreciate that choosing the correct tire size matters for safety and performance. When I use the recommended 170/80 R15 tire, my motorcycle feels more balanced and predictable. That gives me more control and peace of mind every time I ride.
My Buying Guides on 170 80 R15 Motorcycle Tire
What I Look for First
When I shop for a 170 80 R15 motorcycle tire, I always start with fitment. I make sure the tire matches my bike’s rim size, load rating, and speed rating before I look at anything else. A tire can look great on paper, but if it does not suit my motorcycle, it is not the right choice.
Why the Tire Size Matters to Me
The 170 80 R15 size tells me a lot. The 170 means the tire is wide, the 80 is the aspect ratio, and the R15 means it is a radial tire for a 15-inch rim. I pay attention to this because the size affects how my bike handles, how stable it feels, and how much comfort I get on the road.
Radial vs. Other Tire Types
I prefer to check whether the tire is radial because radial construction usually gives me better grip, smoother performance, and improved heat management. For longer rides, I find radial tires more comfortable and consistent. If my bike is designed for this type, I stick with it.
My Focus on Riding Style
I always think about how I ride. If I use my motorcycle mostly for commuting, I want a tire that balances durability and comfort. If I ride long distances, I look for touring-friendly tread and stable highway performance. If I enjoy more aggressive riding, I want stronger cornering grip and better responsiveness.
Tread Pattern and Road Conditions
The tread pattern matters a lot in my buying decision. I look at how the tire handles wet roads, dry pavement, and light rough surfaces. A deeper or more specialized tread can help with traction in certain conditions, but I also want something that feels stable and predictable in everyday use.
Grip, Comfort, and Stability
For me, a good motorcycle tire should give confidence in corners, steady braking, and a smooth ride. I do not want a tire that feels too stiff or too soft. I try to find the right balance between grip and comfort because that makes every ride safer and more enjoyable.
Durability and Mileage
I always check how long the tire is expected to last. A tire with strong mileage can save me money over time, especially if I ride often. At the same time, I do not want to sacrifice too much grip just for longer life, so I look for a sensible balance.
Weather Performance
I consider the weather where I ride most. If I often ride in rain, I want better wet traction and dependable braking. If I ride mostly in dry conditions, I may focus more on handling and wear resistance. A tire that performs well in my usual weather gives me more confidence.
Brand Reputation and Reviews
I always read reviews and check brand reputation before buying. Real rider feedback helps me understand how the tire performs over time, not just on the spec sheet. I trust brands that have a strong track record for quality, consistency, and safety.
Price vs. Value
I do not choose only by the lowest price. I look at value instead. A slightly more expensive tire can be worth it if it lasts longer, grips better, or gives me a smoother ride. I prefer to spend wisely rather than replace a cheaper tire too soon.
Installation and Maintenance
After I buy the tire, I make sure it is installed correctly by a professional or by following proper procedures. I also keep an eye on tire pressure, wear patterns, and tread depth. Good maintenance helps me get the best performance and life out of my tire.
My Final Advice
When I choose a 170 80 R15 motorcycle tire, I focus on fit, safety, riding style, and long-term value. The right tire makes a big difference in how my motorcycle feels and performs. If I take my time and compare options carefully, I usually end up with a tire that gives me confidence on every ride.
Final Thoughts
In my view, a 170 80 R15 motorcycle tire can be a great choice when I want a balance of stability, comfort, and dependable road grip. My main takeaway is that the right tire should always match my bike’s specifications, riding style, and the conditions I ride in most often. When I choose carefully, I can improve both safety and overall riding confidence.
Author Profile
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Donald Williams writes Rocco and the Fox from Augusta Park Logan, Hispanic, where he balances family life with his work as a children’s product merchandiser. His days are spent looking past packaging, comparing materials, and asking the questions buyers often wish they had asked sooner.
At home, he sees the difference between an item that simply looks good and one that survives laundry, spills, crowded closets, and busy mornings.
Evan brings that same grounded attention to every article. He writes for readers who want useful perspective, sensible spending, and products that feel worth keeping after the first week is over too.
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