Finding the right 240/40R18 tire for your cruiser or bagger can be overwhelming. We researched manufacturer specs, industry safety standards, and aggregated owner feedback to compare the top options. Our evaluation focuses on real-world performance, durability, and value to help you make an informed choice.
| Photo | Product | Score | Buy |
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Michelin Commander III Touring Best Overall Touring Tire Radial, load index 79, speed rating H |
9.1 | 🛒 Check Price |
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Metzeler ME888 Marathon Ultra Best for Longevity Bias-ply, load index 79, speed rating H |
8.8 | 🛒 Check Price |
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Pirelli Night Dragon Best for Performance Cruising Radial, load index 79, speed rating V |
8.5 | 🛒 Check Price |
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Dunlop American Elite Best All-Around Touring Radial, load index 79, speed rating H |
8.3 | 🛒 Check Price |
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Shinko 777 Heavy Duty Best Budget Pick Bias-ply, load index 79, speed rating H |
7.8 | 🛒 Check Price |
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Avon Cobra Chrome Best for Wet Grip Radial, load index 79, speed rating H |
8.1 | 🛒 Check Price |
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Bridgestone Exedra Max Best for Heavy Loads Bias-ply, load index 83, speed rating H |
7.6 | 🛒 Check Price |
1. Michelin Commander III Touring: Best Overall Touring Tire
The Michelin Commander III Touring stands out in our evaluation for its exceptional wet grip and stability. Based on owner feedback and the spec sheets, the silica compound delivers confident braking and cornering even on damp roads. The reinforced casing also makes it a top choice for loaded touring bikes.
However, this tire commands a premium price. For riders on a strict budget or those who primarily ride in dry conditions, the added cost may not be justified. It is best for touring riders who prioritize safety and longevity over upfront savings.
- Excellent wet grip and cornering stability
- Long tread life from advanced silica compound
- Reinforced casing for heavy touring loads
Pros: Superior traction in rain; Very long-lasting tread
Cons: Premium price point
2. Metzeler ME888 Marathon Ultra: Best for Longevity
The Metzeler ME888 Marathon Ultra is built for riders who log high miles. Our research shows its bias-ply construction and specialized compound offer outstanding durability, often outlasting competitors. Owner reviews frequently mention achieving high mileage before replacement.
That said, the bias-ply design provides less wet traction than modern radial touring tires. Riders in rainy climates or those who push corners hard may find the grip lacking. This tire is ideal for long-distance straight-line riders who value longevity above all else.
- High-mileage compound for extended tread life
- Stiff sidewalls for stable straight-line cruising
- Good heat dissipation for consistent performance
Pros: Exceptional tread life; Stable at highway speeds
Cons: Less grip in wet conditions compared to radials
3. Pirelli Night Dragon: Best for Performance Cruising
The Pirelli Night Dragon is a performance-oriented tire that excels in spirited riding. In our evaluation, its radial construction and aggressive tread deliver impressive grip and handling. Owner feedback highlights confidence in corners and quick warm-up even on cooler days.
However, the softer compound that provides this grip wears faster. Riders looking for high mileage should look elsewhere. It is best for weekend warriors and canyon carvers who prioritize handling over longevity.
- Aggressive tread pattern for enhanced grip
- Quick warm-up for immediate performance
- Sporty handling characteristics
Pros: Excellent cornering grip; Fast warm-up
Cons: Shorter tread life than touring tires
4. Dunlop American Elite: Best All-Around Touring
The Dunlop American Elite offers a solid middle ground for touring riders. Our research indicates its multi-tread compound provides a good mix of traction and durability. Owner reviews often praise its predictable handling in various conditions.
That said, it does not excel in any single area. Riders seeking maximum grip or extreme longevity may be better served by more specialized tires. It is a dependable choice for everyday touring and commuting.
- Multi-tread compound for balanced wear
- Deep tread for long mileage
- Designed for both wet and dry conditions
Pros: Good balance of grip and longevity; Reliable all-weather performance
Cons: Not as sporty as some competitors
5. Shinko 777 Heavy Duty: Best Budget Pick
The Shinko 777 Heavy Duty is a budget-friendly option that performs adequately for its price. In our evaluation, it offers reasonable tread life and load capacity. Owner feedback often notes it as a good value for riders on a tight budget.
However, the bias-ply construction results in a firmer ride and less wet traction compared to radials. Riders who demand high performance or ride in frequent rain should consider spending more. It is a suitable choice for casual cruising where budget is the primary concern.
- Affordable alternative to premium brands
- Decent tread life for the price
- Stiff sidewalls for heavy loads
Pros: Very good value; Decent durability for the cost
Cons: Less refined ride and grip
6. Avon Cobra Chrome: Best for Wet Grip
The Avon Cobra Chrome is engineered for wet conditions. Our research highlights its specialized tread and silica compound that provide outstanding grip on rain-soaked roads. Owner reviews consistently praise its confidence-inspiring wet handling.
On the downside, the soft compound that delivers this wet traction wears faster than many competitors. Riders who do not frequently encounter rain may find the longevity disappointing. It is best for those who ride in wet climates and prioritize safety over mileage.
- Unique tread pattern for water evacuation
- Silica compound for enhanced wet traction
- Smooth and quiet ride
Pros: Excellent wet weather performance; Comfortable ride quality
Cons: Tread life is below average
7. Bridgestone Exedra Max: Best for Heavy Loads
The Bridgestone Exedra Max is designed for maximum load capacity. In our evaluation, its reinforced bias-ply construction and high load index make it suitable for heavily loaded touring bikes. Owner feedback confirms stable performance under weight.
However, the stiff construction results in a harsh ride and reduced cornering grip compared to radial tires. Riders who do not carry heavy loads or who prioritize comfort should consider other options. It is best for riders who frequently carry a passenger or heavy gear.
- High load capacity for heavy touring
- Reinforced carcass for stability
- Long-lasting tread compound
Pros: Handles heavy loads well; Good durability
Cons: Stiff ride and less grip
Frequently Asked Questions
What does 240/40R18 mean for a motorcycle tire?
The numbers indicate tire size: 240 is the width in millimeters, 40 is the aspect ratio (height as a percentage of width), and R18 means radial construction for an 18-inch rim. This size is common on large cruisers and baggers.
How long should a 240/40R18 motorcycle tire last?
Tread life varies by tire type and riding style. Touring tires like the Michelin Commander III can last 12,000 to 18,000 miles, while performance tires like the Pirelli Night Dragon may last 8,000 to 12,000 miles. Aggressive riding and heavy loads reduce life.
Can I use a bias-ply tire instead of radial?
Yes, but radial tires generally offer better grip, heat dissipation, and ride comfort. Bias-ply tires are more durable under heavy loads and cheaper. Check your motorcycle’s specifications to ensure compatibility.
What is the best 240/40R18 tire for wet conditions?
Based on our research, the Avon Cobra Chrome and Michelin Commander III Touring excel in wet grip. The Avon has a specialized tread for water evacuation, while the Michelin uses a silica compound for traction.
How do I know when to replace my 240/40R18 tire?
Replace when tread depth reaches 2/32 inch (1.6 mm) or if you see wear bars. Also replace if there are cracks, bulges, or punctures that cannot be repaired. Regularly check tire pressure and inspect for damage.
Our Verdict
After researching and comparing the top options, our top pick is the Michelin Commander III Touring for its outstanding wet grip, stability, and durability. For a more budget-friendly choice with excellent longevity, the Metzeler ME888 Marathon Ultra is a strong runner-up.
