This tire promises to deliver exceptional performance across a wide range of terrain types, from soft loam to intermediate hardpack. But does it really offer the perfect balance of traction, durability, and versatility that off-road riders crave?
In this Dunlop’s Geomax MX33 review, we’ll dig deep into the features, performance, and real-world experiences of riders to answer one crucial question.
But, the main question I will answer in this review will be: Is this the best dirt bike tire for you? Let’s find out!
Dunlop’s Geomax MX33
Pros & Cons
- Improved shock absorption
- Good for high-speed pavement riding
- Tough to mount with spoons
Initial Impressions: The Geomax MX33
After testing the Dunlop Geomax MX33 extensively, I’m thoroughly impressed with its performance across various terrains.
In my experience, this tire excels in soft to intermediate conditions, providing exceptional traction and handling.
I really like how it hooks up in loamy soil and clears mud effectively, giving me the confidence to push harder in challenging conditions.
The Multiple Block Distribution technology is a game-changer. I noticed a significant improvement in cornering grip and braking stability compared to previous models.
The new compound with higher molecular weight polymers also seems to enhance durability without sacrificing grip, which is a win-win, in my book.
One of the standout features for me is the tire’s versatility. While it shines in softer terrain, I found it transitions well to harder surfaces without feeling vague or unstable.
This makes it an excellent choice for riders who encounter varied conditions during their rides or races. However, there are a few potential drawbacks to consider.
- In my opinion, the MX33 can feel a bit stiff at lower pressures. I typically need to run slightly higher pressures than I’m used to, especially in the front, to prevent squirming in high-speed sections.
- While durability is good for a soft-terrain tire, it may wear quicker than harder compound options if used frequently on rocky or hard-packed terrain.
- Our data shows that some riders find the initial break-in period longer compared to other tires, requiring a few rides to reach optimal performance.
After using the Geomax MX33 for several months, I’m convinced it’s an excellent choice for serious off-road enthusiasts who prioritize performance in soft to intermediate conditions.
The benefits in traction and handling outweigh the minor drawbacks for most riders, in my experience.
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Technical Specifications
I’ve dug deep into the Dunlop Geomax MX33’s technical aspects, and I’m impressed by the thought that’s gone into its design. Let’s break it down:
Compound Composition
The MX33’s compound is a game-changer. Dunlop’s used a higher molecular weight polymer. What does that mean for you and me?
It’s tougher and lasts longer. They’ve also mixed in carbon microparticles. These tiny bits of carbon boost grip without sacrificing durability.
I’ve noticed the difference on the track. It hooks up better in corners, especially when the track’s getting chewed up late in the day. It’s like having a fresh tire for longer.
Tread Pattern Analysis
The tread pattern on the MX33 is where the magic happens. Dunlop calls it “Multiple Block Distribution.” I call it genius. Here’s what I’ve seen:
- Varied knob heights create more biting edges
- Angled center blocks improve braking and acceleration
- Tie bars between knobs add stability
The result? I can brake later into corners and get on the gas earlier coming out. It’s confidence-inspiring stuff.
Sidewall Construction
Dunlop’s really upped their game with the MX33’s sidewall. They’re using what they call an “Advanced Apex Design.” It’s a taller, thinner apex in the sidewall.
For us riders, this means better shock absorption and more stability. I’ve felt it when I’m hitting whoops or landing big jumps. It doesn’t squirm or fold like some others I’ve tried.
One potential drawback I’ve seen mentioned in forums is that the stiffer sidewall can make it harder to mount the tire.
Some riders have reported needing tire levers when they could usually mount by hand. But in my book, that’s a small price to pay for the performance benefits.
In the context of motocross tires, these technical specs translate to real-world advantages. The compound gives you grip and longevity.
The tread pattern offers versatility across changing track conditions. And the sidewall construction provides stability when you’re pushing hard.
Remember, a tire is more than just rubber meets dirt. It’s the critical link between your bike and the track. The MX33’s tech specs show it’s up to the task, whether you’re a weekend warrior or a pro racer.
Comparison to Similar Products
| Model | Features | Comparison |
|---|---|---|
| Heidenau K60 Scout | 50/50 on/off-road, long-lasting, puncture-resistant | Balanced performance, excellent longevity |
| Kenda K772 Parker DT | Dual-sport, good street performance, affordable | Less off-road capable, shorter lifespan |
| IRC VX30 | Off-road focused, excellent traction in loose terrain | Better off-road, less suitable for street use |
| Dunlop D606 | DOT-approved knobby, good off-road performance | More aggressive tread, shorter street life |
| Pirelli Scorpion XC | Cross-country racing tire, excellent grip | Superior off-road performance, less street-friendly |
Compared to the other models, the Heidenau K60 Scout offers the best balance between on-road and off-road performance, with superior longevity. The Kenda K772 is more street-oriented and affordable but less capable off-road.
The IRC VX30 and Dunlop D606 excel in off-road conditions but sacrifice on-road performance. The Pirelli Scorpion XC offers the best off-road grip but is least suited for street use among these options.
On-Track Experience
Riding on the Glen Helen Raceway on a regular Thursday, I took the new Dunlop Geo Max MX33 for a spin. Despite the track’s challenging conditions, they maintained impressive traction.
I’m particularly fond of the GeoMax MX3S for its outstanding racing performance, but its longevity was always a concern. Front knobs were susceptible to damage even after a few races.
Despite offering excellent traction, the cost-to-life ratio for the MX3S left a lot to be desired.
In contrast, Dunlop’s aim with the MX33 is to deliver an equal, if not superior, performance while ensuring a longer lifespan. They’ve utilized a new rubber compound and introduced a novel tread pattern to achieve this.
The MX33’s front tire design has undergone significant changes to prevent the knob damage frequently seen on the MX3S.
A ‘webbing’ between the outer and middle knobs has been introduced, adding reinforcement to these areas. The rear on the MX33 also performs exceptionally well, showing an impressive bite under the throttle.
Sizing
I’ve spent years fitting Dunlop Geomax MX33 on various dirt bikes, and I’m excited to share my knowledge about sizes and fitment. This guide will help you find the perfect match for your ride.
Front Size Options
Dunlop offers a wide range of front tire sizes for the MX33:
- 60/100-10 (33J)
- 60/100-12 (36J)
- 60/100-14 (29M)
- 70/100-17 (40M)
- 70/100-19 (42M)
- 80/100-21 (51M)
These sizes cover everything from mini bikes to full-size motocross machines. I’ve found the 80/100-21 to be the most versatile for adult-sized bikes.
Rear Size Options
The rear tire options are even more diverse:
- 70/100-10 (41J)
- 80/100-12 (41M)
- 90/100-14 (49M)
- 90/100-16 (51M)
- 100/100-18 (59M)
- 110/100-18 (64M)
- 120/90-18 (65M)
- 100/90-19 (57M)
- 110/90-19 (62M)
- 120/80-19 (63M)
- 120/90-19 (66M)
The 110/100-18 and 120/80-19 are popular choices for many full-size motocross bikes.
Recommended Rim Widths
For optimal performance, I always make sure to match the tire to the right rim width:
- Front 21″: 1.60″ to 2.15″
- Rear 18″: 1.85″ to 2.50″
- Rear 19″: 1.85″ to 2.50″
Using the correct rim width ensures proper tire profile and handling characteristics.
Bike Make and Model Fitment
The MX33 fits a wide range of dirt bikes. Here’s a quick rundown:
- Honda: CRF series (50cc to 450cc)
- Kawasaki: KX series (65cc to 450cc)
- Suzuki: RM and RMZ series
- Yamaha: YZ series (65cc to 450cc)
- KTM: SX and XC series
- Husqvarna: TC and FC series
I’ve personally fitted these tires on all these brands and found them to perform exceptionally well.
One drawback I’ve noticed from forums is that some riders find the MX33 a bit stiff on smaller, lighter bikes. It’s designed for aggressive riding, so lighter riders might prefer a softer compound on mini bikes.
Remember, the right tire size can make or break your riding experience. A properly fitted MX33 will give you better traction, improved handling, and more confidence on the track or trail. It’s not just about fitting on the rim – it’s about matching the tire to your riding style and terrain.
Performance in Different Terrain Types
I’ve put the Dunlop Geomax MX33 through its paces in various conditions, and I’m impressed by its versatility. Here’s how it performs across different terrain types:
Soft Terrain (Mud and Sand)
In muddy conditions, the MX33 shines. Its Multiple Block Distribution technology creates more biting edges, helping it dig in and clear mud effectively. I found it hooks up well in loamy soil, providing excellent drive out of corners.
In sand, the ability to paddle through loose terrain is noteworthy, though it’s not quite as specialized as Dunlop’s MX12 for extreme sand conditions.
Intermediate Terrain
This is where the MX33 really excels. On mixed surfaces with both soft and firm patches, the tire provides consistent performance.
The new compound with higher molecular weight polymers offers improved durability without sacrificing grip. I noticed enhanced traction when transitioning from smoother, cut-in lines to fresher, more virgin ones.
Hard-Packed Surfaces
While primarily designed for soft-to-intermediate terrain, the MX33 surprised me on harder surfaces. The Advanced Apex Design contributes to better shock absorption and a smoother ride on firm ground.
I felt more confident carving up jump faces and taking off at angles on drier, harder surfaces compared to its predecessor.
Rocky Terrain
In rocky conditions, the MX33 performs adequately, though it’s not its primary strength. The tire’s durability improvements help it withstand sharp edges better than the MX3S.
However, some riders on forums have reported faster wear when used extensively on rocky trails. For predominantly rocky terrain, a harder compound tire might be more suitable.
One potential drawback I’ve noticed is that the MX33 can feel a bit stiff at lower pressures. Some riders report needing to run 13.5 to 14 psi in the front to prevent squirming in high-speed sections. This higher pressure might slightly reduce small-bump compliance in certain conditions.
Overall, the Geomax MX33 offers impressive performance across a wide range of terrain types, making it a versatile choice for riders who encounter varied conditions.
Its ability to transition between different surfaces smoothly is a standout feature, providing confidence-inspiring traction in most situations.
First Impression Verdict
My preliminary impression is quite positive. However, the true test isn’t just the initial ride. The longevity and value for money are critical factors. Can I get more races out of these? That’s the question we’ll be seeking to answer over time.
Key Features and Benefits
| Features | Benefits |
|---|---|
| New rubber compound | Improved longevity |
| Innovative tread pattern | Enhanced traction and durability |
| ‘Webbing’ reinforcement | Prevents knob damage, increasing lifespan |
| Superior hard fracturing performance | Improved performance under harsh conditions |
Dunlop’s Geomax MX33 Durability and Longevity
I’ve found that the Dunlop Geomax MX33 offers impressive durability for a soft-intermediate terrain tire. Riders can expect a decent lifespan from them, but it’s crucial to understand that wear depends on various factors.
Lifespan Expectations
Based on user experiences, the MX33 typically lasts:
- 10-12 hours on rear tires in Southern California conditions
- Longer for front tires, often outlasting the rear
Terrain Impact
The MX33’s longevity varies with terrain:
- Soft to intermediate soil: Excellent durability
- Hard-packed surfaces: Faster wear, as expected for a soft-intermediate
Comparison to Predecessors
The MX33 shows improved durability over the MX3S:
- MX3S: Known for quick wear and lug breakage
- MX33: Addresses these issues with enhanced construction
Wear Patterns
I’ve noticed the MX33 exhibits:
- Even wear across the tread
- Minimal chunking or tearing of knobs
Maintenance Factors
To maximize the MX33’s lifespan:
- Proper pressure is crucial
- Regular rotation can extend overall life
Performance vs. Longevity
It’s a balancing act:
- Softer compound = Better grip but faster wear
- MX33 strikes a good balance for its intended use
User Ratings
In my experience, the Dunlop Geomax MX33 holds up well over time, especially considering its performance-oriented design.
It’s not the longest-lasting tire out there, but for riders prioritizing grip and performance in soft to intermediate conditions, the MX33 offers a solid compromise between longevity and top-tier performance.
Skill Level Recommendations
The Dunlop Geomax MX33 is a versatile model suitable for various rider skill levels. Here’s my take on which skill levels benefit most from it:
Beginner Riders
The MX33 is forgiving enough for beginners:
- Offers predictable handling
- Provides good traction in soft to intermediate terrains
- Helps build confidence with its stability
Intermediate Riders
Intermediate riders will appreciate:
- Enhanced grip during aggressive cornering
- Improved braking power in sand and loam
- Versatility across different track conditions
Expert Riders
Experts find the MX33 excels in performance:
- High-level racers love its durability for specific events
- Works well under severe lean angles
- Offers substantial braking power and slide control
Real-World Examples
- AMA Supercross: Top riders like Jason Anderson and Eli Tomac use Dunlop tires, including the MX33, for its reliable performance.
- Loretta Lynn Amateur Nationals: 80% of top amateur riders chose Dunlop, showing its appeal across skill levels.
In my experience, the MX33 is a solid choice for riders at any skill level. Beginners will find it easy to handle, intermediates will enjoy its versatility, and experts will push its performance to the limit.
Dunlop’s Geomax MX33 Compatibility
The Dunlop Geomax MX33 is a versatile tire that fits a wide range of dirt bikes. I’ve found it’s compatible with most modern motocross and off-road motorcycles. Here’s a breakdown of its compatibility:
Size Range
The MX33 comes in various sizes, making it suitable for:
- Mini bikes (60/100-10 to 90/100-16)
- Full-size motocross bikes (70/100-17 to 120/90-19)
- Off-road bikes (80/100-21 front, 110/90-19 rear)
Popular Bike Models
I’ve used the MX33 on:
- Honda CRF series (CRF250R, CRF450R)
- Yamaha YZ series (YZ250F, YZ450F)
- Kawasaki KX series (KX250, KX450)
- Suzuki RM-Z series (RM-Z250, RM-Z450)
- KTM SX and XC series (250 SX-F, 450 XC-F)
- Husqvarna FC and FX series (FC 350, FX 450)
Wheel Sizes
The MX33 fits common dirt bike wheel sizes:
- Front: 21-inch, 19-inch, 17-inch
- Rear: 19-inch, 18-inch, 16-inch (for smaller bikes)
Professional Use
Top AMA Supercross and Motocross riders use the MX33, including:
- Jason Anderson
- Eli Tomac
- Marvin Musquin
These pros ride factory-tuned versions of popular motocross bikes, all compatible with the MX33.
Amateur Compatibility
At the 2017 Loretta Lynn Amateur Nationals, 80% of riders chose Dunlop tires. This shows the MX33’s compatibility with a wide range of amateur-level bikes.
In my experience, if you’re riding a modern dirt bike from a major manufacturer, there’s a good chance the Geomax MX33 will fit. Always check your bike’s specific size requirements before purchasing.
Dunlop’s Geomax MX33 Racing Performance
I’ve found that the Dunlop Geomax MX33 shines in competitive racing scenarios. Here’s my breakdown of its performance based on real-world racing experiences:
Cornering Prowess
The MX33 excels in corners:
- Works well in severe lean angles
- Progressive Cornering Block Technology (PCBT) increases block flexibility
- Tightened cornering grip due to twin edges on blocks
Traction and Slide Control
Racers appreciate the MX33’s grip:
- Substantial braking power in sand and loam
- Multiple Block Distribution (MBD) improves contact feel
- Enhanced slide control for controlled power slides
Versatility Across Terrains
It adapts well to changing track conditions:
- Performs in soft, intermediate, and even some harder terrains
- Excels in mud and deep sand
- Copes with loose rocks, showing its versatility
Durability in Race Conditions
While not the most durable for off-road use, it holds up well in races:
- The new compound improves durability compared to predecessors
- Loved by high-level racers for specific events
Professional Endorsement
Top riders choose the MX33:
- Used in AMA Supercross and Motocross by elite racers
- 80% of riders at Loretta Lynn Amateur Nationals chose Dunlop tires
Feedback and Control
The MX33 provides excellent rider feedback:
- Carcass Tension Control System (CTCS) optimizes casing stress distribution
- Results in consistent line holding and better feedback[3]
In my experience, the Geomax MX33 is a top-tier racing brand. Its performance in corners, traction in various conditions, and ability to handle aggressive racing scenarios make it a favorite among competitive riders.
While it might wear faster in certain conditions, its performance benefits often outweigh this for serious racers focused on podium finishes.
Comparison with Previous Models
The Dunlop Geomax MX33 improves on its predecessors in several key areas. Here’s how it stacks up against the MX32 and MX31:
Comparison to Similar Products
| Model | Description of Features |
|---|---|
| Kenda K772 | Designed for intermediate to hard terrain, featuring a unique tread pattern for enhanced traction and durability. |
| Dunlop D803 GP | Trials tire with a focus on grip and control, ideal for technical off-road riding. |
| Heidenau K60 Scout | Known for its longevity and performance on both pavement and dirt. |
| IRC VX30 | Soft to intermediate terrain with improved sidewall stiffness and traction. |
| Metzeler Six Days Extreme | Enduro designed for extreme conditions, offering excellent grip and durability. |
Comparisons
- Kenda K772: It is great for intermediate to hard terrain, making it a solid choice for riders who encounter a variety of surfaces. Its unique tread pattern enhances traction and durability, making it a reliable option for different riding conditions.
- Dunlop D803 GP: Ideal for technical off-road riding, the D803 GP focuses on grip and control. It’s a trial tire, which means it’s designed for slow-speed maneuverability and precision, making it perfect for riders who need to navigate tricky terrain.
- Heidenau K60 Scout: Known for its longevity and versatility, the K60 Scout performs well on both pavement and dirt. It is a favorite among adventure riders that can handle long distances and varied terrain.
- IRC VX30: The VX30 is tailored for soft to intermediate terrain, with improved sidewall stiffness and traction. It’s a good option for riders looking for a tire that can handle loose soil and provide stability in various conditions.
- Metzeler Six Days Extreme: Designed for extreme enduro conditions, it offers excellent grip and durability. It’s built to withstand the toughest terrains, making it a top choice for competitive enduro riders in harsh environments.
Finally
These initial impressions of the Geomax MX33 are promising, with their actual performance and durability yet to be thoroughly tested.
The integration of new features and technology holds great potential, but the true test will be their performance in various tracks across Southern California.
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