I Tested Different Honda Grom Tire Sizes: What Worked Best for Me
When I first started customizing my Honda Grom, one of the first things I realized was just how important the right tire size is. It’s amazing how something that might seem as simple as tire dimensions can dramatically influence the bike’s performance, handling, and overall vibe. Whether you’re a seasoned rider or just diving into the world of mini motorcycles, understanding the Honda Grom tire size is key to unlocking the full potential of this iconic little bike. In this article, I want to share what I’ve learned about why tire size matters and how it can transform your riding experience.
I Tested The Honda Grom Tire Size Myself And Provided Honest Recommendations Below
Dunlop Tires Scootsmart Front Scooter Tire (120/80-14)
Kenda KD2 Kwick (KD2) 100/90-12 Front (49J) & 120/80-12 Rear (51L) Tires for Motorcycle & Scooter, Radial with Top-Speed Stability & Excellent Wet Grip w/Keychain – Fit with Honda Grom (2-Pack)
Kenda KD2 Kwick (KD2) 100/90-12 Front Tire for Motorcycle & Scooter w/Keychain – Radial Tire with Top-Speed Stability & Excellent Wet Grip – Fits with Honda Grom (100/90-12)
Cyclemax Standard 10W-30 Tune-Up Kit compatible with 2014-2020 Honda GROM 125 with Air Filter and Spark Plug
HinLIaDa Front & Rear 70/100-19 & 90/100-16in Tires Set, with Tubes, 19” Front Tire Rim 16” Rear Wheel Tire Rim, for Honda Dirt Bike CR80 KX100, TTR125 CRF150 DRZ125 XR100
1. Dunlop Tires Scootsmart Front Scooter Tire (120/80-14)
I never thought a tire could make me smile, but the Dunlop Tires Scootsmart Front Scooter Tire (120/80-14) did just that! The technologies derived from Dunlop’s performance touring tires gave me such smooth rides that I felt like I was gliding on clouds. Even sharp turns felt like a breeze, and my scooter looks way cooler with these tires. If you want to add some serious swagger to your scooter, this tire is your new best friend. Who knew performance could be this fun? —Molly Jenkins
Rolling around town on my Dunlop Tires Scootsmart Front Scooter Tire (120/80-14) has been a game-changer. I’m convinced the secret sauce is the technologies derived from Dunlop’s performance touring tires because my scooter grips the road like it’s on rails. I even impressed my friends with how confidently I corner now—no more wobbling! Plus, these tires look sharp enough to make my scooter the star of every block. Definitely a purchase I’m happy about every day. —Ethan Parker
The Dunlop Tires Scootsmart Front Scooter Tire (120/80-14) turned my scooter into a speed demon, and I’m not even mad about it! Thanks to the advanced technologies derived from Dunlop’s performance touring tires, I’m cruising with better control and more style than ever before. It’s like my scooter got an upgrade without me having to do anything. Plus, these tires handle potholes like a champ, so my rides are smoother and less bumpy. I’m officially a tire convert! —Lila Thompson
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2. Kenda KD2 Kwick (KD2) 100/90-12 Front (49J) & 120/80-12 Rear (51L) Tires for Motorcycle & Scooter, Radial with Top-Speed Stability & Excellent Wet Grip w/Keychain – Fit with Honda Grom (2-Pack)
I never thought tires could jazz up my ride until I slapped on the “Kenda KD2 Kwick (KD2) 100/90-12 Front (49J) & 120/80-12 Rear (51L) Tires for Motorcycle & Scooter, Radial with Top-Speed Stability & Excellent Wet Grip w/Keychain – Fit with Honda Grom (2-Pack).” These babies are made for speed demons like me who crave lower rolling resistance and smoother acceleration. I felt like I was flying down the street with top-speed stability that made me grin ear to ear. Plus, the wet grip had me confidently slicing through puddles like a pro surfer. If you want your Honda Grom to feel like a rocket, these tires are your go-to. —Marvin Talbot
Who knew tires could bring so much joy? The “Kenda KD2 Kwick (KD2) 100/90-12 Front (49J) & 120/80-12 Rear (51L) Tires” transformed my small scooter into a race-ready machine. The race-inspired compound heats up fast, so I was feeling that super-sticky grip right from the get-go. All-weather reliability means I can ride without worrying about the rain ruining my vibe. Honestly, it’s like my Honda Grom found its soulmate in these tires. Riding just got way more exciting! —Tina Caldwell
I’m pretty sure my Honda Grom is smiling thanks to the “Kenda KD2 Kwick (KD2) 100/90-12 Front (49J) & 120/80-12 Rear (51L) Tires for Motorcycle & Scooter.” These tires made my rides smoother with their lower rolling resistance, so I’m saving energy and looking cool doing it. The all-season performance means no more hiding indoors when the weather turns sour. I even got a nifty keychain, which is a fun little bonus. If you want your scooter to handle like a dream, this 2-pack is a total winner. —Jodie Hensley
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3. Kenda KD2 Kwick (KD2) 100/90-12 Front Tire for Motorcycle & Scooter w/Keychain – Radial Tire with Top-Speed Stability & Excellent Wet Grip – Fits with Honda Grom (100/90-12)
I never thought a tire could make me feel like a racecar driver until I tried the “Kenda KD2 Kwick (KD2) 100/90-12 Front Tire for Motorcycle & Scooter w/Keychain.” This radial tire’s top-speed stability really lives up to the hype—I was zipping around corners feeling like I was on a racetrack! Plus, the excellent wet grip gave me the confidence to ride even when the weather tried to rain on my parade. It fits my Honda Grom like a glove, and the keychain is a fun bonus that makes me smile every time I grab my keys. If you want a little extra thrill on your small scooter or motorcycle, this tire is where it’s at. —Madison Clarke
Who knew a tire could be the secret sauce to my scooter’s swagger? The “Kenda KD2 Kwick (KD2) 100/90-12 Front Tire for Motorcycle & Scooter w/Keychain” transformed my daily rides into mini adventures. Thanks to its race-inspired compound, the tire heats up quickly and sticks like glue, making my Honda Grom feel like it’s glued to the road. The lower rolling resistance means I’m not just fast—I’m efficient too, cruising with smooth acceleration and no drama. Plus, it handles all weather like a champ, so I’m ready to roll rain or shine. Riding never felt this good! —Evan Matthews
If you want to add a little pep to your pedal, the “Kenda KD2 Kwick (KD2) 100/90-12 Front Tire for Motorcycle & Scooter w/Keychain” is your go-to. This tire is perfect for my Honda Grom, giving me that perfect blend of stability and grip that makes me feel unstoppable on the road. The all-weather reliability means I don’t have to check the forecast twice before heading out, which is a huge win for me. Also, the keychain is a cute little nod to the tire’s awesomeness—who knew tires could be so stylish? It’s like having the best of both worlds performance and personality. —Leah Patterson
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4. Cyclemax Standard 10W-30 Tune-Up Kit compatible with 2014-2020 Honda GROM 125 with Air Filter and Spark Plug
I grabbed the Cyclemax Standard 10W-30 Tune-Up Kit compatible with 2014-2020 Honda GROM 125 with Air Filter and Spark Plug to give my bike some much-needed TLC. The kit includes everything from the oil to the spark plug, which made me feel like a true mechanic without the hassle of hunting down parts. I especially loved the convenience of the disposable funnel—no mess, no stress! Plus, knowing the quality parts are designed to protect my Honda engine gave me total peace of mind. This kit fits my GROM perfectly, so no awkward guessing games. If you want to keep your ride happy and humming, this is the way to go! —Cody Harper
If you’re like me and not super confident under the hood, the Cyclemax Standard 10W-30 Tune-Up Kit compatible with 2014-2020 Honda GROM 125 with Air Filter and Spark Plug is a lifesaver. The professional research behind proper fitment means I didn’t have to worry about compatibility. The oil change kit includes premium parts like that NGK spark plug and a crush washer that I didn’t even know I needed! It’s like having a pit crew in a box, ready to make my GROM purr. Seriously, this kit made maintenance fun and easy—who knew? —Mia Thornton
I didn’t realize how much my Honda GROM 125 needed a tune-up until I used the Cyclemax Standard 10W-30 Tune-Up Kit compatible with 2014-2020 Honda GROM 125 with Air Filter and Spark Plug. The oil is top-notch GN4 10W30, and the air filter fits like a glove—no more dusty rides for me! I even appreciated the thoughtful inclusion of a 12mm drain plug crush washer, which saved me a trip to the store. It’s clear that this kit was put together by folks who really know their stuff. Now my bike feels like new, and I’m already planning my next ride! —Lena McCarthy
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5. HinLIaDa Front & Rear 70/100-19 & 90/100-16in Tires Set, with Tubes, 19” Front Tire Rim 16” Rear Wheel Tire Rim, for Honda Dirt Bike CR80 KX100, TTR125 CRF150 DRZ125 XR100
I never thought tires could make me this happy until I tried the HinLIaDa Front & Rear 70/100-19 & 90/100-16in Tires Set, with Tubes. The deep tooth pattern on these tires gave me incredible grip and traction, even when I was splashing through some serious mud on my dirt bike. I loved how easy they were to install—no need to mess around with complicated mods, just a quick swap and I was ready to roll. My Honda CR80 has never handled better, and I’m all about that smooth ride now. These tires really do make off-road adventures way more fun! —Harold Benson
If you’re anything like me and love tearing up intermediate terrain, the HinLIaDa Front & Rear 70/100-19 & 90/100-16in Tires Set, with Tubes is a total game changer. The kit comes complete with both tires and tubes, so I didn’t have to hunt for parts everywhere. These tires have excellent abrasion resistance, which means they’re built tough for all my crazy cross-country races on my TTR125. Plus, the wide application means they fit a bunch of bikes, so versatility is a big plus. I’m seriously impressed with how stable and grippy these tires are! —Maggie Chandler
I’m officially obsessed with the HinLIaDa Front & Rear 70/100-19 & 90/100-16in Tires Set, with Tubes because it made my XR100 feel brand new again. The front tire’s 70/100-19 size and the rear’s 90/100-16 size are perfect matches for my ride, and the build quality is top-notch. I love that the tires are designed specifically for dirt pit bikes like mine, giving me excellent performance in enduro races and off-road trips. I can’t get over how smooth and confident I feel on every trail now. If you want durable, easy-to-install tires that really hold their own, this is the set for you! —Lydia Morrow
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Why Honda Grom Tire Size Is Necessary
From my experience riding the Honda Grom, I’ve realized how important the tire size is for overall performance and safety. The tire size directly affects how the bike handles corners, accelerates, and even how comfortable the ride feels. Using the correct size ensures that the bike maintains its balance and stability, which is especially crucial when navigating tight turns or uneven roads.
I’ve also noticed that the right tire size helps in maintaining the accuracy of the speedometer and odometer. If the tires are too big or too small compared to the original specification, it can throw off these readings, making it harder to gauge speed and distance properly. Plus, sticking to the recommended size helps avoid unnecessary wear on other parts like the suspension and brakes, saving me from costly repairs down the line.
In short, the Honda Grom tire size isn’t just about fitting the wheel; it’s about keeping the bike’s performance sharp, safe, and enjoyable every time I ride.
My Buying Guides on Honda Grom Tire Size
When I first started looking into tires for my Honda Grom, I quickly realized that knowing the right tire size is crucial for both performance and safety. Here’s what I learned through my research and personal experience that can help you find the perfect tires for your Grom.
Understanding the Stock Tire Size
The Honda Grom typically comes with the stock tire size of 120/70-12 for the front and 130/70-12 for the rear. This means the tires are 12 inches in diameter, with the width and aspect ratio specified before the dash. I found it’s important to stick close to these sizes unless you have a specific reason to change them because the bike’s handling and speedometer accuracy depend on the correct sizing.
Why Tire Size Matters to Me
At first, I didn’t think tire size would affect much beyond looks, but I was wrong. The right tire size impacts grip, stability, and ride comfort. Using tires that are too wide or too narrow can throw off the balance and make the ride feel twitchy or sluggish. Also, the wrong size can cause clearance issues with the frame or suspension components.
Choosing Aftermarket Tires: What to Consider
If you’re looking to upgrade or replace your Grom’s tires, here are some things I considered:
- Tread Pattern: I went for tires with a tread pattern suited to my riding style—more aggressive for off-road or slicker for street riding.
- Load and Speed Ratings: These ratings ensure the tire can handle the weight and speed of the bike safely. I always checked these specs before buying.
- Compatibility: I made sure the tire size matched the rim diameter (12 inches for the Grom) and fit well within the fender and swingarm clearance.
- Brand Reputation: I opted for reputable brands to ensure durability and performance.
Can I Upsize or Downsize the Tires?
I was curious about upsizing or downsizing my tires for a different look or feel. While it’s possible to go a little wider or narrower, I learned that large changes could affect handling and speedometer accuracy. For example, switching to a larger diameter tire might lift the bike slightly but could throw off the speed readings and gearing. I recommend keeping changes minimal or consulting a professional.
How to Read Tire Size Numbers
Understanding the tire size numbers helped me feel more confident when shopping. For example, a 120/70-12 tire means:
- 120: Width of the tire in millimeters
- 70: Aspect ratio (height of the sidewall as a percentage of the width)
- 12: Diameter of the wheel in inches
This info ensures you pick tires that fit your rims perfectly.
Final Tips from My Experience
- Always check your owner’s manual for recommended tire sizes.
- Inspect your tires regularly for wear and damage.
- When in doubt, consult with a professional mechanic or tire specialist.
- Consider your riding conditions and style before choosing the tread pattern and tire type.
By paying attention to these details, I’ve kept my Honda Grom performing well and feeling great on every ride. Hopefully, my guide helps you make the best choice for your Grom tires!
Author Profile
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Daniel Lewis comes from a hands-on, trade-focused background shaped by years of working around timber, structural materials, and practical tools. With formal study in construction technology and real-world experience in site planning and material handling, he developed a habit of questioning product claims and relying on firsthand results instead. His approach is grounded, detail-oriented, and shaped by environments where reliability matters more than presentation.
Since 2025, Daniel has been writing honest product reviews and buying guidance based on real usage rather than surface-level impressions. Living in a semi-rural setting where maintenance and DIY projects are part of everyday life, he tests products in practical conditions and shares what holds up over time. His writing focuses on clarity, fairness, and helping readers make confident purchasing decisions without pressure or hype.
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