Finding the right 120/70R21 motorcycle tire is crucial for handling, stability, and safety, especially on adventure and dual-sport bikes. We researched manufacturer specifications, industry standards, and aggregated owner feedback to compare the top options. This guide evaluates each tire’s performance, durability, and value to help you choose the best fit for your riding style.
Our evaluation is based on published data and real-world owner experiences, not hands-on lab testing. We highlight strengths and honest limitations so you can make an informed decision. Whether you ride on pavement, dirt, or a mix, there is a tire here for you.
| Photo | Product | Score | Buy |
|---|---|---|---|
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Michelin Anakee Adventure Best Overall 50/50 Tire Tubeless, Bias-Ply, B: 4.6mm tread depth, Load index 73H |
9.0 | 🛒 Check Price |
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Dunlop Trailmax Mission Best for Long-Distance Touring Tubeless, Radial, B: 5.0mm tread depth, Load index 73H |
8.7 | 🛒 Check Price |
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Pirelli Scorpion Rally STR Best for Performance Off-Road Tubeless, Radial, B: 6.2mm tread depth, Load index 73T |
8.4 | 🛒 Check Price |
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Bridgestone Battlax Adventure A41 Best for Wet Conditions Tubeless, Radial, B: 5.2mm tread depth, Load index 73H |
8.1 | 🛒 Check Price |
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Continental TKC 80 Twinduro Best for Extreme Off-Road Tubeless, Bias-Ply, B: 7.0mm tread depth, Load index 73R |
7.8 | 🛒 Check Price |
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Metzeler Tourance Next Best for Street-Focused Adventure Tubeless, Radial, B: 4.8mm tread depth, Load index 73H |
7.3 | 🛒 Check Price |
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Shinko 705 Series Best Budget Option Tubeless, Bias-Ply, B: 5.5mm tread depth, Load index 73H |
7.8 | 🛒 Check Price |
1. Michelin Anakee Adventure: Best Overall 50/50 Tire
The Michelin Anakee Adventure is a top choice for riders who split time between pavement and gravel. In our evaluation of owner feedback and spec sheets, it delivers strong grip in varied conditions and impressive tread life. The bias-ply construction provides stability at higher speeds, though it adds weight that some riders notice in tight turns. Based on research, this tire suits adventure touring best, but those who prioritize aggressive off-road performance may find it lacking.
Who should skip it: If you ride mostly technical single-track or extreme off-road, a more knobby tire will serve you better. The Anakee Adventure shines as a balanced 50/50 tire, not a dedicated dirt tire.
- Excellent grip on both pavement and light off-road terrain
- Long tread life reported by owners, often exceeding 8,000 miles
- Stable at highway speeds with good wet traction
Pros: Versatile for adventure touring; Long-lasting tread; Predictable handling
Cons: Heavier than some competitors, affecting low-speed maneuverability
2. Dunlop Trailmax Mission: Best for Long-Distance Touring
The Dunlop Trailmax Mission is engineered for riders who cover long distances on pavement but need occasional dirt road capability. According to aggregated owner feedback, its radial construction and deep tread deliver exceptional mileage, often exceeding 12,000 miles. In our comparison of spec sheets, the Mission prioritizes on-road comfort and longevity over aggressive off-road bite. It handles well in rain and on loose gravel, but deep mud or sand will challenge it.
Who should skip it: If you frequently ride in soft off-road conditions, look for a tire with more aggressive knobs. The Trailmax Mission is a touring-focused tire that excels on pavement and light trails.
- Exceptional tread life; many owners report over 12,000 miles
- Smooth, quiet ride on pavement
- Good wet weather grip with deep siping
Pros: Outstanding durability; Low road noise; Stable under heavy loads
Cons: Off-road traction is limited to hard-packed dirt and gravel
3. Pirelli Scorpion Rally STR: Best for Performance Off-Road
The Pirelli Scorpion Rally STR is a favorite among adventure riders who tackle serious off-road conditions. Based on owner reviews and manufacturer specs, its radial construction and deep knobs provide outstanding traction in dirt, mud, and gravel. On pavement, it remains surprisingly stable and responsive, though the aggressive tread can hum at highway speeds. In our evaluation, the trade-off is reduced tread life when ridden primarily on asphalt.
Who should skip it: If you ride mostly on pavement and want maximum mileage, consider a more road-oriented tire. The Rally STR is built for riders who demand off-road performance and accept faster wear.
- Aggressive tread pattern for excellent off-road grip
- Responsive handling on pavement despite knobby design
- Good self-cleaning in mud and loose terrain
Pros: Superior off-road traction; Sporty on-road feel; Lightweight construction
Cons: Tread wears faster on pavement compared to touring tires
4. Bridgestone Battlax Adventure A41: Best for Wet Conditions
The Bridgestone Battlax Adventure A41 is designed for adventure riders who frequently encounter wet roads. In our research of owner feedback, its silica-infused compound and tread pattern deliver outstanding water evacuation and grip in rain. On dry pavement, it offers predictable cornering and stability. However, its off-road performance is modest; it handles gravel and dirt roads but struggles in mud or loose sand. Tread life is average for the category.
Who should skip it: If you ride mostly in dry conditions or need serious off-road traction, other tires may suit you better. The A41 is a wet-weather specialist that still performs well on pavement.
- Excellent wet grip due to silica compound and multi-tread design
- Good stability at speed and in corners
- Moderate tread life, typically 7,000-9,000 miles
Pros: Confidence in rain; Smooth handling; Good all-around performance
Cons: Off-road capability is limited to hard-packed surfaces
5. Continental TKC 80 Twinduro: Best for Extreme Off-Road
The Continental TKC 80 Twinduro is a legendary tire for riders who prioritize off-road capability above all. Based on owner reports and specs, its deep knobs provide exceptional grip in mud, sand, and loose rocks. On pavement, it is acceptable for short transfers but not comfortable for extended highway riding. Tread wear accelerates quickly on asphalt, and the tire produces noticeable noise. In our evaluation, it is a specialist tool for serious off-road enthusiasts.
Who should skip it: If you ride more than 20% on pavement or value comfort and longevity, look elsewhere. The TKC 80 is for those who live on dirt trails and accept the trade-offs.
- Deep, widely spaced knobs for maximum off-road grip
- Excellent self-cleaning in mud and sand
- Street legal but best on dirt
Pros: Unmatched off-road traction; Great for technical terrain; Durable casing
Cons: Short tread life on pavement (often 3,000-5,000 miles); Loud and buzzy on highway
6. Metzeler Tourance Next: Best for Street-Focused Adventure
The Metzeler Tourance Next is a street-biased adventure tire that excels on pavement. In our comparison of owner feedback, it offers precise handling, good grip in wet conditions, and a comfortable ride. However, its tread pattern is not designed for serious off-road use; it can handle gravel roads but will struggle in mud or loose terrain. Tread life is average, and some owners report faster wear on heavy bikes. It is a solid choice for riders who stay on pavement most of the time.
Who should skip it: If you need a tire for off-road adventures or extended dirt riding, this is not the best pick. The Tourance Next is for street-focused touring and commuting on adventure bikes.
- Excellent pavement grip and cornering stability
- Good wet weather performance
- Moderate tread life, typically 6,000-8,000 miles
Pros: Responsive handling; Quiet ride; Good for commuting
Cons: Limited off-road capability; best on hard-packed dirt
7. Shinko 705 Series: Best Budget Option
The Shinko 705 Series is a budget-friendly tire that offers reasonable performance for riders on a tight budget. Based on owner feedback, it provides adequate grip on pavement and light dirt roads, with tread life that is respectable for its price. However, in our evaluation, its handling lacks the precision of premium tires, and wet traction can be a concern in heavy rain. It is a solid choice for casual riders or those who need a temporary replacement.
Who should skip it: If you ride aggressively, in frequent rain, or demand top-tier handling, invest in a higher-end tire. The Shinko 705 is best for budget-conscious riders who accept some compromises.
- Affordable price point without sacrificing basic performance
- Decent tread life for the cost, often 6,000-8,000 miles
- Versatile for light off-road and street use
Pros: Great value; Good all-around capability; Stable at moderate speeds
Cons: Less refined handling than premium brands; Wet traction is merely adequate
Frequently Asked Questions
What does 120/70R21 mean in motorcycle tire sizing?
The first number (120) is the tire width in millimeters. The second number (70) is the aspect ratio: the sidewall height is 70% of the width. The R indicates radial construction, and 21 is the rim diameter in inches. This size is common on adventure and dual-sport bikes.
How do I choose between a radial and bias-ply tire?
Radial tires offer better heat dissipation, longer tread life, and more stable handling at highway speeds. Bias-ply tires are generally stronger for heavy loads and off-road use, but they may run hotter and wear faster on pavement. For 120/70R21, most modern adventure tires are radial, but some off-road biased options remain bias-ply.
Can I use a 120/70R21 tire on a bike that originally came with a different size?
Only if the rim width and overall diameter are compatible. Check your owner’s manual or tire manufacturer’s fitment guide. Using an incorrect size can affect handling, speedometer accuracy, and safety. Always consult a professional if unsure.
How often should I replace my 120/70R21 motorcycle tire?
Replace when tread depth reaches 2/32 inch (1.6mm) or if you see cracks, bulges, or embedded objects. Many riders replace at 4/32 inch for wet traction. Also, replace based on age: typically every 5-6 years regardless of tread, as rubber degrades.
What is the best tire pressure for a 120/70R21 tire?
Recommended pressure varies by bike and load. For adventure bikes, typical front tire pressure is 30-36 psi (2.1-2.5 bar). Always follow your motorcycle manufacturer’s specifications, and adjust based on riding conditions (lower for off-road, higher for highway).
Our Verdict
After researching and comparing the top 120/70R21 motorcycle tires, our top pick is the Michelin Anakee Adventure for its balanced performance on and off road, long tread life, and stable handling. For riders who prioritize off-road capability, the Pirelli Scorpion Rally STR is an excellent runner up, offering exceptional dirt traction at the cost of faster pavement wear.
