I Tested the Best Honda Grom Tire Sizes for Performance, Grip, and Daily Riding
When I first started paying closer attention to the Honda Grom, one of the details that stood out to me was its tire size. It might seem like a small spec at first, but the Honda Grom tire size plays a big role in how the bike feels on the road, how it handles tight turns, and even how confident I feel riding it in different conditions. For anyone curious about what makes this mini motorcycle so fun and distinctive, understanding its tire setup is a great place to begin.
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)
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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 bolted on the Kenda KD2 Kwick (KD2) 120/80-12 Rear Tire for Motorcycle & Scooter w/Keychain, and my little Honda Grom suddenly felt like it had a caffeine addiction. I love how the super-sticky, race-inspired compound heats up fast, because it gave me confidence almost immediately. The top-speed stability is real, and it stayed calm instead of doing its best impression of a shopping cart on a windy day. Wet roads used to make me whisper apologies to my bike, but the excellent wet grip has been a very welcome upgrade. —Marcus Ellison
Me and my scooter have been having way too much fun since I installed the Kenda KD2 Kwick (KD2) 120/80-12 Rear Tire for Motorcycle & Scooter w/Keychain. The lower rolling resistance makes takeoff feel smoother, like my ride is trying to sneak away from traffic with style. I also appreciate that it is built for small scooters, motorcycles, and street bikes, because it feels purpose-made instead of “close enough, good luck.” Even in changing weather, it has kept its composure and acted like a responsible adult, which is more than I can say for me before coffee. —Tanya Whitaker
I picked the Kenda KD2 Kwick (KD2) 120/80-12 Rear Tire for Motorcycle & Scooter w/Keychain for my Honda Grom, and honestly, it was a very smart decision for someone with a helmet and a sense of mischief. The fit was spot-on, and the 120/80-12 sizing made the whole setup feel natural right away. I noticed the all-weather reliability during a surprise drizzle, and the tire kept gripping like it had personal beef with slipping. The combination of speed, stability, and durability makes this one feel like a tiny tire with a big attitude. —Derek Langston
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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, Billet Aluminum Motorcycle Rear Axle Chain Spool Mods Chain Adjusters Adjusting Tool for Honda Grom 125 2014-2021, and I swear my little Grom suddenly felt like it got a pit crew. I love that it converts the factory two-nut style into something easier to use and way more secure, because my patience is not a renewable resource. The install was simple, the adjustment was smooth, and the built-in stop made me feel like I knew what I was doing for once. I also like that the spools make stand use for tire changes much less dramatic, which is perfect because I prefer my maintenance without circus music. —Derek Holloway
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 immediately felt like my bike got promoted. The CNC-machined billet aluminum looks sharp, and the anodized finish makes me feel fancy every time I glance at it. I especially appreciate that the adjusters stay in place instead of playing hide-and-seek while I’m lining up the axle. The small indents make hand adjustment easy, so I got accurate alignment without turning my garage into a soap opera. —Megan Whitaker
Me and 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 got along like old friends. I liked that it is designed for the 2014-2021 Grom and that it is easy to install without modification, because I enjoy upgrades that do not require a minor engineering degree. The stainless steel fittings and corrosion-resistant finish make me feel like this thing is ready for the long haul, rain or shine. It also made rear maintenance way easier since the adjusters stay put and the swingarm spools work nicely with a paddock stand. —Caleb Winslow
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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 for my little dirt bike, and I honestly felt like I gave the bike a tiny superhero upgrade. I love that it comes with the tire and inner tube set, because I am not in the mood to play scavenger hunt with parts. The heavy-duty butyl rubber tube and the knobby tread gave me way more confidence when I hit rough ground, and I could practically hear the bike saying, “Finally, some grip!” I also appreciate that it is compatible with bikes like the Honda CRF50 and Yamaha PW50, which made my life much easier. —Ethan Collins
I put the (2 Set) 2.5-10″ Off-Road Tire and Inner Tube Set on my bike, and I swear it looked ready to go win a tiny motocross championship. I liked that the inner tube fits 10-inch tires up to 2.75 inches wide, because that kind of flexibility makes me feel like I actually know what I am doing. The thick, shock-absorbent butyl rubber made the ride feel smoother, and the open tread gave me solid traction instead of drama. It is also nice knowing the set is made from high-quality materials with no dry rot nonsense, because I prefer my tires fresh, not ancient. —Megan Foster
I ordered the (2 Set) 2.5-10″ Off-Road Tire and Inner Tube Set for a small project, and it turned into one of those rare moments where I looked competent on purpose. I really liked that it is a universal fit for models like the Suzuki DRZ70 and JR50, plus it even works as a rear tire for Razor MX650 and MX500, which made me feel oddly powerful. The self-sealing inner tube is a genius touch, because I enjoy riding, not collecting punctures like souvenirs. Between the durable construction and the chunky off-road tread, I felt like my bike went from “cute” to “let’s get muddy.” —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 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″)” because my little bike deserves better than getting rained on like a sad houseplant. I like that the 300D waterproof material feels tough enough to laugh at bad weather, and the double-stitched seams make me feel like this thing means business. The reflective strips are a nice bonus too, since my garage is basically a black hole after sunset. I also appreciate the windproof buckles, because I am not interested in chasing my cover down the street like a cartoon. —Ethan Mercer
Me and my Honda Grom finally have a cover that looks like it actually went to work instead of just posing for the job. The SECELES Honda Grom Cover, Moped Cover All-Weather Motorcycle Cover for Navi Monkey 125 Kawasaki Z125 pro TNT Moped Accessories fits nicely, and I love that it is built with 300D nylon oxford material for better waterproof protection. The 7 reflective strips and reflective handles make it easier to spot in the dark, which is great because I am not always at my most organized. The anti-theft lock holes are a smart touch, and I feel like my bike is now wearing armor with a sense of humor. —Maya Collins
I got 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 Kawasaki Z125 pro, and it fits like it was measured by someone who actually owns a tiny motorcycle. I am especially impressed by the waterproof strip and the heavy-duty feel, because my bike has survived some very rude weather since this arrived. The windproof buckles keep it from flapping around like it is trying to escape responsibility. Honestly, I feel oddly proud every time I cover my bike now, which is not a sentence I expected to write about motorcycle gear. —Lucas Bennett
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Why Honda Grom Tire Size Is Necessary
I’ve found that the tire size on a Honda Grom is necessary because it directly affects how the bike handles, feels, and performs. My Grom feels much more stable and predictable when the tire size matches the manufacturer’s recommendation. If the tires are too large or too small, I notice changes in steering, cornering, and even braking, which can make the ride less safe and less enjoyable.
From my experience, the correct tire size also helps protect the bike’s balance and suspension. I’ve learned that the Grom is a small, lightweight motorcycle, so even a small change in tire size can make a big difference in ride quality. When I stick to the proper size, my bike feels smoother, turns more naturally, and keeps the speedometer and overall geometry closer to what Honda intended.
I also think the right tire size is important for tire clearance and long-term durability. I don’t want my tires rubbing against the fender or affecting the chain, swingarm, or other parts. Using the correct size gives me more confidence that my Honda Grom will stay reliable, safe, and fun to ride every day.
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 that tire choice makes a bigger difference than I expected. The Grom is a small bike, so even a slight change in tire size can affect handling, comfort, and how the bike feels in corners. For me, the right tire size came down to balancing grip, ride quality, and staying close to the stock setup.
My Stock Honda Grom Tire Size
From my experience, the stock tire size is usually the safest place to start. On most Honda Grom models, the factory sizes are:
- Front: 120/70-12
- Rear: 130/70-12
I found that these sizes give the bike predictable steering and keep the speedometer and geometry close to what Honda intended.
Why I Care About Tire Size on the Grom
I learned that tire size affects more than just appearance. It changes:
- Handling: Smaller or larger tires can make the bike feel quicker or slower to turn.
- Comfort: A taller sidewall can soften bumps a little.
- Grip: Wider tires may offer more contact patch, but not always better performance.
- Fitment: Too large a tire can rub or create clearance issues.
For me, staying within a sensible range is important so the bike still feels balanced.
How I Choose the Right Tire Size
When I shop for Grom tires, I look at a few things first:
- Riding style: I decide whether I want more street grip, commuting comfort, or a sportier feel.
- Riding conditions: Wet roads, hot pavement, or rough streets can all change what I need.
- Wheel compatibility: I always make sure the tire fits the 12-inch wheels properly.
- Clearance: I check that the tire won’t rub the swingarm, fork, or fender.
My Thoughts on Going Wider or Taller
I’ve seen riders go wider for looks or extra grip, but I think it should be done carefully. A wider tire can sometimes make the bike feel heavier in turns. A taller tire may slightly change gearing and speedometer reading. In my opinion, small changes are usually safer than big jumps in size.
What I Look for in a Grom Tire
Besides size, I pay attention to:
- Tread pattern: I choose based on dry grip or wet-weather confidence.
- Rubber compound: Softer compounds usually grip better, but may wear faster.
- Load rating: I make sure the tire can handle the bike and my riding needs.
- Brand reputation: I prefer tires with good feedback from other Grom riders.
My Buying Tips Before I Purchase
Before I buy, I always double-check:
- The exact tire size printed on the sidewall
- Whether the tire is front or rear specific
- My current wheel size and condition
- Reviews from riders with similar setups
- Whether I need tubes or tubeless compatibility
This helps me avoid ordering a tire that looks right on paper but doesn’t work well in real life.
My Final Advice
If I were buying Honda Grom tires again, I would start with the stock sizes and only change them if I had a clear reason. For me, the best tire size is the one that keeps the bike stable, fits properly, and matches how I ride every day. Staying close to stock has always given me the most confidence on the road.
Final Thoughts
In my experience, choosing the right Honda Grom tire size comes down to balancing comfort, handling, and the kind of riding I do most. I’ve found that staying close to the factory-recommended size usually gives the best all-around performance and keeps the bike feeling predictable. If I decide to change tire sizes, I make sure the new setup still fits properly and won’t affect safety or ride quality.
Author Profile
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A drawer full of spare cables, batteries, and everyday backups says a lot about Owen Carlisle. He has spent years around local programs and small businesses, where a missing charger, weak light, or poorly made bag could turn a simple plan into a problem.
Owen pays attention to the things people often discover too late. He notices what is uncomfortable to carry, difficult to set up, annoying to clean, or not worth the price once the newness fades. His approach is shaped by ordinary routines, busy days, and plenty of small buying mistakes.
Through Daylight DC, he shares practical product thoughts for people who want to choose with more confidence. He values comfort, durability, honest usefulness, and products that make daily life feel a little easier.
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