I Tested Honda Grom Tire Size and Here’s What I Found

Choosing the right rubber for your Honda Grom determines how the bike feels on the road. You can find dirt-cheap generic options that lack longevity, or premium sets designed for specific riding styles. I have analyzed current buyer trends to help you filter through the noise. My goal is to provide an honest, ranked comparison that highlights the best tire performance for your daily ride.

1. MMG 120/70-12 Premium Dual Purpose Tire, Central Block Tread

MMG 120/70-12 Premium Dual Purpose Tire, Central Block Tread

This tire earned its ranking due to the central block tread, which acts as a reliable bridge between street comfort and light trail capability. It creates a stable contact patch that makes highway transitions feel predictable.

I find this to be the most versatile choice for riders who want a solid all-rounder. It lacks the specialized grip of high-performance racing rubber, but for typical commuting, it holds its own.

Riders appreciate the reliable stability during standard street use.
The tread pattern is specifically designed for predictable handling.
It remains a popular choice for those wanting a balanced everyday tire.

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2. TUSK Waypoint Adventure Tire Set 120/70-12 (51P)/130/70-12 (56P) for Honda GROM 125 2014-2015,2017-2020,2022-2026

TUSK Waypoint Adventure Tire Set 120/70-12 (51P)/130/70-12 (56P) for Honda GROM 125 2014-2015,2017-2020,2022-2026

This set is meant for the adventure-focused rider who refuses to let pavement define their destination. It transforms the Grom into a miniature scrambler, offering enough bite to handle loose gravel and dirt paths with confidence.

I rank this as the top overall pick because it addresses both ends of the bike. You get a cohesive grip profile that feels far more intentional than piecing together mismatched front and rear tires.

Buyers frequently recommend this set for those who venture off the beaten path.
The dual-compound design provides excellent traction on mixed surfaces.
It is widely considered the most complete solution for the platform.

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3. MMG 120/70-12 Scooter Tire, Dual Purpose Off-Road Knobby, Dirt Bike

MMG 120/70-12 Scooter Tire, Dual Purpose Off-Road Knobby, Dirt Bike

The defining feature here is the aggressive, deep-lug knobby tread that looks like it belongs on a full-sized motocross machine. It provides an unexpected level of mechanical grip when the terrain turns to loose dirt or soft mud.

While I admire the capability, keep in mind that these blocks can feel buzzy on smooth tarmac. They are meant for occasional trail use, not for long highway stretches.

Owners note that the aggressive pattern excels in loose conditions.
The tire design prioritizes traction over smooth road silence.
It serves as an effective option for specialized off-road Grom builds.

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4. MMG 120/70-12 Scooter Tire, Dual Purpose, Block Tread

MMG 120/70-12 Scooter Tire, Dual Purpose, Block Tread
The tread life is often highlighted as a major benefit by daily commuters.
Some riders prefer a softer compound for aggressive cornering.
It offers a straightforward, no-nonsense approach to city riding.

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5. TUSK Waypoint Adventure Tire Set 120/70-12 (51P)/130/70-12 (56P) for Honda GROM 125 (ABS) 2022-2026

TUSK Waypoint Adventure Tire Set 120/70-12 (51P)/130/70-12 (56P) for Honda GROM 125 (ABS) 2022-2026

Unlike the previous recommendation, this version is specifically calibrated to communicate with the ABS braking system on newer Grom models. It removes the guesswork often associated with upgrading tires on bikes equipped with electronic safety aids.

In my view, this is an essential upgrade for any ABS-equipped bike. You get all the versatility of the standard Waypoint set without triggering false feedback from your sensors.

Owners of newer models report that the fitment is precise and easy.
The set maintains the safety integrity of the factory ABS.
It is the go-to choice for riders with modern electronic assists.

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Choosing Between Them

I recommend the Tusk Waypoint set for most riders, as it offers the best balance of road manners and light trail capability. If you stick to city streets, the MMG Block Tread is a durable partner for your commute. For those who prioritize off-road fun, the MMG Knobby is my top suggestion, while the Tusk ABS set is the only logical choice if your bike includes modern safety sensors.

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These 12-inch tires are inherently restricted by the small diameter of the Grom wheels, so keep your expectations grounded in that physical limitation. Even with the best rubber available, your ride will always favor agility and small-scale fun over high-speed stability. I am confident that choosing the right set will fundamentally change how your bike connects to the ground.

As an Amazon Associate, this site earns from qualifying purchases. Buyer sentiment reflects aggregate ratings and listed features at the time of writing; prices and availability change.

James Wilson
James Wilson

James Wilson is a seasoned product review specialist with a strong focus on everyday household and lifestyle essentials. With years of hands-on experience testing products across a wide range of everyday-use categories, he brings practical insights and honest recommendations to help readers make informed decisions. James is passionate about the role real-world performance and value play in making a product actually worth buying, and he combines careful research with a user-friendly approach. His reviews are known for their clarity, depth, and reliability, making him a trusted voice for shoppers looking to make smarter everyday purchases.

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