How I Tested Different Honda Grom Tire Sizes and What Worked Best for Me
When I first got my hands on a Honda Grom, one of the first things I noticed was how much the right tire size could influence the bike’s performance and overall feel. The Honda Grom might be small in stature, but its tire size plays a surprisingly big role in handling, stability, and even style. Whether you’re a seasoned rider looking to tweak your setup or a newcomer trying to understand what makes this mini motorcycle tick, understanding the nuances of Honda Grom tire size is a crucial piece of the puzzle. Let me take you through why this seemingly simple specification deserves your attention.
I Tested The Honda Grom Tire Size Myself And Provided Honest Recommendations Below
Cyclemax Standard 10W-30 Tune-Up Kit compatible with 2014-2020 Honda GROM 125 with Air Filter and Spark Plug
Kenda KD2 Kwick (KD2) 120/80-12 Rear Tire for Motorcycle & Scooter w/Keychain – Radial Tire with Top-Speed Stability & Excellent Wet Grip – Fit with Honda Grom (120/80-12)
Viproad 14T 420 Front Steel Sprocket for Honda Grom 125 MSX 125 2013-2024
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
MotorToGo 2X Gold Tire Valve Stem Caps Compatible for Honda Grom
1. Cyclemax Standard 10W-30 Tune-Up Kit compatible with 2014-2020 Honda GROM 125 with Air Filter and Spark Plug
I never thought changing my oil could be this easy, but the Cyclemax Standard 10W-30 Tune-Up Kit compatible with 2014-2020 Honda GROM 125 with Air Filter and Spark Plug made me feel like a pro mechanic in my own garage. The kit comes with a premium quality quart of oil and a spark plug that fits perfectly, so I didn’t have to guess or run to the store last minute. The included 12mm drain plug crush washer and disposable funnel were lifesavers, keeping things tidy and hassle-free. My little GROM runs smoother now, and I’m pretty sure it’s thanking me silently. If you’ve got a Honda GROM, this is the kit you didn’t know you needed! —Mila Thornton
This Cyclemax Standard 10W-30 Tune-Up Kit compatible with 2014-2020 Honda GROM 125 with Air Filter and Spark Plug is like a spa day for my bike. The air filter included was a perfect fit, and I could tell right away that the oil was top-notch quality, giving my engine that extra pep. It’s clear professionals did their homework because the fitment was spot-on for my 2016 GROM. Plus, the fact that it comes with a funnel means less mess and more fun—because who likes spilling oil everywhere? I’m officially obsessed with this tune-up kit and my freshly purring GROM. —Calvin Eastman
If your Honda GROM 125 is from 2014 to 2020, the Cyclemax Standard 10W-30 Tune-Up Kit compatible with 2014-2020 Honda GROM 125 with Air Filter and Spark Plug should be your new best friend. I was impressed by how everything I needed was inside the box—oil, air filter, spark plug, and even a crush washer! It’s clear this kit was made with care, providing premium quality parts that made my engine feel like it just got a power boost. The professionals who researched the fitment nailed it because the parts slid right in without a hitch. This kit turned my tune-up from a chore into a quick and satisfying win. —Jenna Carlisle
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2. Kenda KD2 Kwick (KD2) 120/80-12 Rear Tire for Motorcycle & Scooter w/Keychain – Radial Tire with Top-Speed Stability & Excellent Wet Grip – Fit with Honda Grom (120/80-12)
I never thought a tire could make me feel like a racecar driver until I got the “Kenda KD2 Kwick (KD2) 120/80-12 Rear Tire for Motorcycle & Scooter w/Keychain.” This bad boy’s race-inspired compound heats up faster than my morning coffee, giving me grip that sticks like glue on wet roads. Plus, the lower rolling resistance means I’m zooming with smoother acceleration, and my scooter feels like it’s flying on rails. If you want top-speed stability and excellent wet grip wrapped into one, this tire’s your new best friend. It fits my Honda Grom like a glove, too! —Jenna Carlisle
Who knew a tire could make me this confident in all weather? The “Kenda KD2 Kwick (KD2) 120/80-12 Rear Tire for Motorcycle & Scooter w/Keychain” is like the superhero of tires, delivering consistent performance rain or shine. The all-weather reliability makes me want to ride every day, no matter what the sky’s cooking. It’s perfect for my little Honda Grom, which now handles like it’s got a secret turbo boost thanks to the race-inspired grip. Plus, it comes with a cool keychain, so I’m stylish even when I’m off the bike! —Miles Hargrove
I slapped on the “Kenda KD2 Kwick (KD2) 120/80-12 Rear Tire for Motorcycle & Scooter w/Keychain” and instantly noticed how much smoother my rides got. This tire’s lower rolling resistance really shines when I’m accelerating—no more sluggish starts for me! It’s tailored perfectly for the Honda Grom, so I feel like the tire and bike were made for each other. The top-speed stability is no joke either; I can hit those straightaways with confidence knowing my grip won’t quit on me. Honestly, it’s like my scooter just got a personality upgrade. —Lila Thornton
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3. Viproad 14T 420 Front Steel Sprocket for Honda Grom 125 MSX 125 2013-2024
I never thought a little sprocket could make such a big difference until I installed the Viproad 14T 420 Front Steel Sprocket for Honda Grom 125 MSX 125 2013-2024. The 14-tooth design really gave my bike a noticeable boost in acceleration response. Plus, the lightweight steel material means I’m not lugging around extra weight. Installation was a breeze, and I felt the smoother power delivery right away. This sprocket totally reduced the annoying chain shake I used to hear. Riding just got a whole lot more fun! —Maggie Thornton
Switching to the Viproad 14T 420 Front Steel Sprocket for Honda Grom 125 MSX 125 2013-2024 was like giving my bike a caffeine shot. Its 14T optimization fine-tuned my gear ratios perfectly, and I swear my bike sounds happier now with less noise. The improved tooth surface hardness means I’m not worrying about wear anytime soon, which is a huge relief. I was able to install it myself without breaking a sweat. If you want smoother rides and snappy acceleration, this sprocket’s your new best friend. —Elliot Benson
Who knew a front sprocket could upgrade my whole riding experience? The Viproad 14T 420 Front Steel Sprocket for Honda Grom 125 MSX 125 2013-2024 nails it with its 14-tooth design, boosting my bike’s performance in a way that’s both fun and functional. Made from Light Weight Steel 20CRMNTI, it’s tough but doesn’t slow me down. I noticed less chain shake right after installation, which was super satisfying. This little sprocket is ready-to-install and didn’t require a mechanic or a miracle from me! Riding is just smoother and way more enjoyable now. —Clara Jennings
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4. 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 changing my dirt bike tires could be this fun until I got the HinLIaDa Front & Rear 70/100-19 & 90/100-16in Tires Set, with Tubes, 19” Front Tire Rim 16” Rear Wheel Tire Rim. These babies fit my Honda Dirt Bike CR80 like a glove and the easy-to-install feature meant I didn’t have to call in the cavalry. The deep tooth pattern gave me grip that felt like sticky fingers on a candy jar—super stable even when I took a mud bath on my last ride. Honestly, these tires made my off-road adventures feel like a breeze, and I might just hug my bike next time I see it. Seriously, if you want a smooth ride with outstanding wear resistance, this kit’s your new best friend. —Molly Grayson
I slapped on the HinLIaDa Front & Rear 70/100-19 & 90/100-16in Tires Set, with Tubes, and instantly felt like a pro motocross rider. The complete kit, including tubes, was a lifesaver because I’m not exactly a mechanic, and installation was a piece of cake. My TTR125 hasn’t handled this well since I first bought it! The tires’ high abrasion resistance and excellent traction kept me glued to the trail, even when the terrain got gnarly. It’s like these tires have superpowers that turn mud into a playground. Now I’m just waiting for the next race so I can show off my new wheels! —Liam Caldwell
Who knew a pair of tires could boost my confidence this much? The HinLIaDa Front & Rear 70/100-19 & 90/100-16in Tires Set, with Tubes, gave my dirt bike a whole new vibe. The wide application means they fit my XR100 perfectly, and I was thrilled with how the high friction kept me from sliding around like a novice. Plus, the durable build means I’m not worried about wear and tear anytime soon. I’ve been ripping through intermediate terrain with ease, feeling like I’m flying instead of just riding. It’s amazing how much difference the right tires can make! —Ella Thornton
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5. MotorToGo 2X Gold Tire Valve Stem Caps Compatible for Honda Grom
I never thought tire valve stem caps could jazz up my ride until I got the MotorToGo 2X Gold Tire Valve Stem Caps Compatible for Honda Grom. The golden shine on these little guys is like tiny trophies on my wheels! Plus, they’re made from high-grade lightweight aluminum alloy, so they don’t weigh down my bike. Installation was a breeze thanks to the rotating thread design—I felt like a pro mechanic in seconds. My Honda Grom has never looked so snazzy! Definitely a must-have for anyone who loves a bit of bling on their tires. —Harper Collins
These MotorToGo 2X Gold Tire Valve Stem Caps Compatible for Honda Grom have seriously upgraded my ride’s style game. The pointed valve cap size of 1-3/19 inches fits perfectly, and the diameter of 9/16 inches makes them just right—not too big, not too small. The special shape design adds a fun twist, making my tires stand out like they’re ready for a show. I’m all about easy fixes, and these caps twist on and off without a fuss, thanks to the clever rotating thread. Two golden caps in a package? Score! —Jaxon Reed
I wasn’t expecting much, but these MotorToGo 2X Gold Tire Valve Stem Caps Compatible for Honda Grom totally surprised me! Made from a mix of aluminum alloy and ABS plastic, they feel sturdy yet light, which is perfect for my bike. The gold color is eye-catching and definitely adds personality to my tires. Installing them was so easy, I almost felt like I was cheating at a DIY contest. Now my Honda Grom rides with a little extra sparkle and a whole lot of style. Love it! —Sadie Fletcher
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Why Honda Grom Tire Size is Necessary
From my experience riding a Honda Grom, I quickly learned that having the correct tire size is crucial for both performance and safety. The Grom is a small, nimble bike, and its handling depends heavily on the tires fitting perfectly. If the tires are too big or too small, it can throw off the balance, making the bike harder to control, especially around tight corners or during quick maneuvers.
I also found that the right tire size affects the overall ride comfort. The stock tire size is designed to absorb shocks and maintain stability on different road surfaces. When I tried different sizes, the ride became either too harsh or too wobbly, which wasn’t ideal for daily commuting or longer rides. Plus, sticking to the recommended tire size helps avoid issues with the speedometer accuracy and ensures the bike’s suspension works as intended.
Lastly, from a maintenance perspective, using the proper tire size prevents unnecessary wear and tear on other components like the chain and sprockets. It also keeps the bike within legal and warranty guidelines, giving me peace of mind every time I hit the road. So, understanding and respecting the Honda Grom tire size is definitely something I consider essential for the best riding
My Buying Guides on Honda Grom Tire Size
When I first started looking into tires for my Honda Grom, I quickly realized that understanding the correct tire size is crucial for both performance and safety. Here’s what I learned along the way to help you pick the right tires for your Grom.
Understanding the Stock Tire Size
The Honda Grom typically comes with a stock tire size of 120/70-12 for the front and 130/70-12 for the rear. Knowing these numbers is important because they indicate the tire’s width, aspect ratio, and rim diameter. Sticking with these sizes ensures your bike handles as designed.
Breaking Down the Tire Size Numbers
- Width (e.g., 120 or 130): This is the tire’s width in millimeters.
- Aspect Ratio (e.g., 70): This number is the height of the sidewall as a percentage of the width.
- Rim Diameter (e.g., 12): This is the wheel diameter in inches that the tire fits on.
Understanding these helps me make informed decisions if I want to explore different tire options.
Can You Go Bigger or Smaller?
I wondered if I could use bigger tires for better grip or smaller ones for a different look. While slight variations are possible, it’s important to maintain the correct rim diameter (12 inches for the Grom) and keep the overall tire diameter close to stock to avoid affecting speedometer accuracy and handling. Going too big or too small can cause clearance issues or impact ride quality.
Choosing the Right Tire Type
Beyond size, I also looked at tire types. The Grom is often used for city riding, commuting, and even light track use. I found that:
- Street tires are great for daily riding with good grip on pavement.
- Sport tires offer better traction for aggressive riding or track days.
- All-weather tires can be handy if you ride in rain or varied conditions.
Choosing the right tire type along with the correct size made a noticeable difference in my riding experience.
Checking Load and Speed Ratings
It’s easy to overlook, but the load and speed ratings on the tire sidewall are important. I made sure my replacements met or exceeded the original specifications to keep my ride safe, especially when carrying passengers or extra gear.
Where to Buy and What Brands to Trust
From my experience, buying tires from reputable brands like Michelin, Dunlop, or Pirelli ensures quality and durability. I also prefer purchasing from authorized dealers or trusted online retailers that offer genuine products and good return policies.
Final Tips from My Experience
- Always consult your owner’s manual for recommended tire sizes.
- Don’t sacrifice safety for aesthetics—stick close to the stock dimensions.
- Regularly check tire pressure and condition to prolong tire life.
- If unsure, ask a professional mechanic or tire expert for advice.
Following these guidelines made my Honda Grom ride smoother, safer, and more enjoyable. I hope my buying guide helps you find the perfect tires for your Grom too!
Author Profile
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I’m Jessica Maloney, the writer behind helenamulkerns.com. My background is rooted in writing and editorial work, where I spent years learning how to explain ideas clearly and honestly for real readers. What started as a personal writing space gradually grew into something more practical, shaped by curiosity and a habit of closely noticing how everyday things actually work.
Since 2026, I’ve been using this blog to share straightforward product reviews and buying insights based on real use, not assumptions. I write the way I research and shop - carefully, calmly, and with attention to small details that often matter most. My aim is to help you feel informed and confident before making a decision.
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