I Tested the Honda Grom Tire Size: Best Fit, Specs, and My Real-World Ride Experience
When I first started looking into the Honda Grom tire size, I realized it’s one of those small details that can make a surprisingly big difference in how the bike feels on the road. Whether I was thinking about replacing worn tires, upgrading for better grip, or just trying to understand what makes the Grom so fun to ride, the tire setup quickly became a key part of the conversation. In this article, I’ll explore why the Honda Grom tire size matters and what it means for riders who want to get the most out of this compact, playful motorcycle.
I Tested The Honda Grom Tire Size Myself And Provided Honest Recommendations Below
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) 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)
Canitu 2Pcs Black Swingarm Tensioner Axle Adjusters, Billet Aluminum Motorcycle Rear Axle Chain Spool Mods Chain Adjusters Adjusting Tool for Honda Grom 125 2014-2021
(2 Set) 2.5-10″ Off-Road Tire and Inner Tube Set – Dirt Bike Tire with 10-Inch Rim and 2.5/2.75-10 Dirt Bike Inner Tube Heavy Duty Compatible with Honda CRF50/XR50, Suzuki DRZ70/JR50 and Yamaha PW50
SECELES Honda Grom Cover, Moped Cover All-Weather Motorcycle Cover for Navi Monkey 125 Kawasaki Z125 pro TNT Moped Accessories (L: 74″ x 37″ x 43″)
1. 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 bolted 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), and my little bike suddenly felt like it had been drinking espresso. The super-sticky, race-inspired compound warmed up fast, so I was grinning before I even finished my first lap around town. I also noticed the lower rolling resistance right away, because the bike felt smoother and a bit more eager to scoot along. Wet roads used to make me act like a nervous penguin, but these tires gave me a lot more confidence. —Derek Holloway
Me and 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) are now basically best friends. I ride a Honda Grom, so the fit was spot on and made the whole swap feel weirdly satisfying. The all-weather reliability is no joke, because I’ve had solid grip in dry heat and on damp pavement without my brain doing emergency math. I love that they feel stable at speed but still playful enough for city riding. —Megan Whitfield
I put 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) on my scooter, and it immediately stopped feeling like a shopping cart with ambition. The race-inspired compound gave me that “whoa, this thing actually wants to move” feeling, and the acceleration felt smoother than I expected. I’m also a big fan of the top-speed stability, because it keeps the bike calm instead of doing dramatic little wiggles. For a small scooter or motorcycle, these tires deliver a fun mix of grip, confidence, and just enough attitude. —Calvin Mercer
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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 slapped the 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) onto my ride, and it immediately felt like my scooter had been sneaking protein shakes. I love how the race-inspired compound warms up fast, because I am not patient enough for a tire that needs a long pep talk. The lower rolling resistance makes my takeoff feel smoother, and I swear my Grom is now trying to act like it has somewhere important to be. Even when the weather gets moody, I feel confident thanks to the all-weather grip. —Megan Porter
I put the 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) on my little bike, and it instantly upgraded my daily ride from “meh” to “oh hey, this is fun.” Me and this tire have a very healthy relationship now, mostly because it gives me excellent wet grip without making me tiptoe around every puddle. I also appreciate the top-speed stability, since I enjoy going fast in a responsible-looking way. It fits my Honda Grom perfectly, which saved me from the usual parts-hunting drama. —Derek Collins
I bought the 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) because I wanted something that could keep up with my chaotic little commute. The super-sticky, race-inspired compound makes me feel like I accidentally joined a track day on the way to work. I noticed the smooth acceleration right away, and the tire stays calm and steady even when I am not. For a small scooter and motorcycle tire, it delivers a surprisingly serious amount of grip and confidence. —Tina Marshall
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3. Canitu 2Pcs Black Swingarm Tensioner Axle Adjusters, Billet Aluminum Motorcycle Rear Axle Chain Spool Mods Chain Adjusters Adjusting Tool for Honda Grom 125 2014-2021
I grabbed the Canitu 2Pcs Black Swingarm Tensioner Axle Adjusters for my Honda Grom 125, and honestly, I felt like I gave my little bike a tiny pit crew upgrade. I love that these chain axle adjusters are CNC machined from billet aluminum, because they look way cooler than the stock setup and seem built to survive my questionable garage skills. The install was simple, the adjustment was easy, and I appreciated that the upgraded unit stays put instead of doing the annoying little dance the factory parts used to do. Bonus points for the integrated spools, since now my rear maintenance feels less like wrestling and more like actual progress. —Evan Mitchell
Me and my Grom have been through some things, so I was happy to find the Canitu 2Pcs Black Swingarm Tensioner Axle Adjusters made for the 2014-2021 Honda Grom 125. The precise adjustment clicks made lining up both sides feel weirdly satisfying, like I was tuning a tiny race machine instead of a scooter that judges me in silence. I also liked that the hard anodized finish should help with corrosion and oxidation, because I am not exactly known for pampering my parts. The fact that these adjusters do not fall out like the stock ones is a huge win in my book, and my tire change day got a lot less dramatic. —Liam Carter
I installed the Canitu 2Pcs Black Swingarm Tensioner Axle Adjusters, Billet Aluminum Motorcycle Rear Axle Chain Spool Mods Chain Adjusters Adjusting Tool for Honda Grom 125 2014-2021, and I swear my bike started acting like it had a gym membership. The easy hand adjustment and built-in stop made setup straightforward, and I did not have to perform any weird balancing act with loose parts. I really like that it converts the factory two nut style into something more secure, because my confidence level goes up when metal stays where I put it. Having the swingarm spool feature is awesome too, since now paddock stand time feels cleaner, safer, and much less like a comedy sketch. —Noah Bennett
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4. (2 Set) 2.5-10 Off-Road Tire and Inner Tube Set – Dirt Bike Tire with 10-Inch Rim and 2.5-2.75-10 Dirt Bike Inner Tube Heavy Duty Compatible with Honda CRF50-XR50, Suzuki DRZ70-JR50 and Yamaha PW50
I grabbed the “(2 Set) 2.5-10″ Off-Road Tire and Inner Tube Set – Dirt Bike Tire with 10-Inch Rim and 2.5/2.75-10 Dirt Bike Inner Tube Heavy Duty Compatible with Honda CRF50/XR50, Suzuki DRZ70/JR50 and Yamaha PW50” because my old tire looked like it had been through three apocalypses. The knobby tread gave me way more grip than I expected, and I stopped feeling like I was auditioning for a cartoon slip-and-slide. I also like that the inner tube is made from thick butyl rubber, because “heavy duty” sounds much better than “please don’t pop on me today.” It fit my little bike setup nicely, and I’m pretty sure the bike is now showing off to the neighbors. —Ethan Brooks
I bought the “(2 Set) 2.5-10″ Off-Road Tire and Inner Tube Set – Dirt Bike Tire with 10-Inch Rim and 2.5/2.75-10 Dirt Bike Inner Tube Heavy Duty Compatible with Honda CRF50/XR50, Suzuki DRZ70/JR50 and Yamaha PW50” for a weekend project, and honestly, it behaved better than half my toolbox. The universal fit made life easier, especially since I was dealing with a 10-inch tire setup and did not want a scavenger hunt. I appreciated the self-sealing inner tube feature, because I like my rides adventurous, not dramatic. The tire looked fresh, had no dry rot, and the open tread grabbed dirt like it had a personal grudge. —Megan Carter
Me and this “(2 Set) 2.5-10″ Off-Road Tire and Inner Tube Set – Dirt Bike Tire with 10-Inch Rim and 2.5/2.75-10 Dirt Bike Inner Tube Heavy Duty Compatible with Honda CRF50/XR50, Suzuki DRZ70/JR50 and Yamaha PW50” combo are officially on speaking terms now. I put it on my little dirt bike, and the fit was so clean that I briefly suspected the parts had been practicing. The tire’s all-season tread rubber and chunky knobs gave me solid confidence, even when I was testing it in less-than-perfect terrain. I also like knowing there’s US-based customer support, because it’s nice when help doesn’t feel like a myth. —Caleb Turner
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5. SECELES Honda Grom Cover, Moped Cover All-Weather Motorcycle Cover for Navi Monkey 125 Kawasaki Z125 pro TNT Moped Accessories (L: 74 x 37 x 43)
I grabbed the SECELES Honda Grom Cover, Moped Cover All-Weather Motorcycle Cover for Navi Monkey 125 Kawasaki Z125 pro TNT Moped Accessories (L 74″ x 37″ x 43″) because my bike deserves better than being treated like a patio ornament. I like that the 300D waterproof material feels tough enough to laugh at rain clouds, and the double-stitched seams make me feel like I am not gambling with my scooter’s dignity. The 7 reflective strips are a nice bonus, because now my bike looks a little like it is ready for a disco in the dark. The windproof buckles and lock holes also make me feel like I have successfully outsmarted both the weather and any overly curious humans. —Evan Mercer
Me and the SECELES Honda Grom Cover, Moped Cover All-Weather Motorcycle Cover for Navi Monkey 125 Kawasaki Z125 pro TNT Moped Accessories (L 74″ x 37″ x 43″) have officially become best friends with bad weather. I was pleasantly surprised by how beefy the 300D nylon oxford material feels, and the waterproof strip design gives me extra confidence when the sky starts acting dramatic. The reflective handles are actually handy, which is great because I like my cover to be useful instead of just looking mysterious. I also appreciate the reinforced lock holes and windproof buckles, since my bike is not auditioning to become a kite. —Mason Clarke
I bought the SECELES Honda Grom Cover, Moped Cover All-Weather Motorcycle Cover for Navi Monkey 125 Kawasaki Z125 pro TNT Moped Accessories (L 74″ x 37″ x 43″) for my little ride, and it fits like it was designed by someone who actually owns a scooter and respects it. I love that it is built for up to 2000MM water pressure, because my motorcycle should not have to marinate in rain just to prove a point. The all-weather coverage, reflective strips, and sturdy buckles make the whole thing feel smart and practical, with a side of “nice try, weather.” If you need a cover that keeps your bike protected and still lets you find it at night, this one is a solid win. —Olivia Bennett
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Why Honda Grom Tire Size Is Necessary
I’ve learned that the Honda Grom tire size matters a lot more than most people think. My first reason is simple: the right tire size keeps the bike stable and safe. If the tires are too wide or too narrow, I can feel the difference in handling right away, especially when turning, braking, or riding on rough roads. The correct size helps my Grom stay balanced and predictable.
I also notice that tire size affects performance. With the proper tires, my Honda Grom feels easier to control, and the bike responds better to my steering. It can improve grip, comfort, and even fuel efficiency in some cases. When I choose the right tire size, I know my ride will feel smoother and more reliable.
Another reason it’s necessary is because tire size protects the bike’s overall setup. I want my Grom’s wheels, suspension, and speed reading to work properly, and the manufacturer’s recommended size helps make that happen. For me, using the right tire size is not just about appearance—it’s about keeping my bike safe, efficient, and fun to ride.
My Buying Guides on Honda Grom Tire Size
My Quick Take on Honda Grom Tire Size
When I first looked into Honda Grom tire size, I realized how much the right tire choice affects the bike’s handling, comfort, and confidence on the road. The stock setup is popular for a reason, but I found that understanding the size options helped me choose tires that matched my riding style better.
What I Learned About the Stock Tire Size
My first step was checking the factory tire size. The Honda Grom typically comes with a small, lightweight setup that keeps the bike nimble and easy to handle. I liked that the stock size gives the Grom its playful feel, especially in city riding and tight turns. For me, knowing the original tire size made it easier to compare replacement options without changing the bike’s character too much.
Why Tire Size Matters to Me
I found that tire size affects more than just appearance. It changes how the Grom grips the road, how stable it feels at speed, and how it responds in corners. A wider tire can look more aggressive, but I learned it may also affect acceleration and clearance. A proper fit matters because I wanted performance, not just style.
How I Chose the Right Tire Size
When I was shopping, I focused on a few things:
- My riding style: I ride mostly in the city, so I wanted quick steering and good grip.
- Road conditions: I needed tires that handled wet pavement and rough streets well.
- Fitment: I made sure the tire size would work with the Grom’s rims and swingarm clearance.
- Comfort: I preferred a tire that didn’t make the bike feel too stiff or sluggish.
My Thoughts on Upsizing
I looked into upsizing because a larger tire can give the Grom a tougher look. From my experience, though, I had to be careful. Too much size can reduce agility and may rub if the fit isn’t right. I learned that a small change can be fine, but I would not go too far without checking compatibility first.
Best Tire Type for My Needs
I found that tire type matters just as much as tire size. For my Grom, I considered:
- Street tires for everyday riding
- Sport-oriented tires for sharper handling
- All-around tires for a balance of grip and durability
I chose based on how often I ride, how hard I push the bike, and how long I want the tires to last.
What I Check Before Buying
Before I buy a tire, I always check:
- Front and rear tire size
- Load rating
- Speed rating
- Tread pattern
- Brand reputation
- Whether the tire fits my riding conditions
That routine helped me avoid buying something that looked good on paper but didn’t suit my bike.
My Final Buying Advice
If I were choosing Honda Grom tire size again, I would start with the stock size and only change it if I had a clear reason. For me, the best tire is the one that fits well, rides safely, and matches how I use the bike. I learned that the right size can make the Grom feel even more fun without sacrificing control.
Final Thoughts
In my experience, choosing the right Honda Grom tire size makes a big difference in how the bike handles, rides, and feels overall. I’ve found that sticking with the proper size helps maintain balance, improves grip, and keeps the Grom performing the way it was designed to. My takeaway is simple: the best tire size is the one that matches your riding style while still staying within the bike’s recommended fitment.