A 70/100-17 dirt bike tire is usually replaced by a 120/80-17 street tire. This size increases width for improved grip. Always check your motorcycle’s manual for accurate sizing. Popular examples include the Dunlop K180, which works well for both on-road and off-road. Select tires based on your riding style and safety needs.
A common size that can replace 70/100-17 dirt bike tires is 110/80-17. In this size, the width measures 110 mm, and the aspect ratio is 80%. This means the height of the sidewall is 80% of the width. Another compatible option is the 90/90-17 tire. This alternative offers a slightly thinner profile but maintains compatibility with the rim size.
Selecting the right alternatives is crucial for maintaining handling characteristics and overall performance. Ensuring the replacement tire complements the bike’s dynamics is vital for both safety and efficiency.
In the next section, we will explore the impact of tire tread patterns on performance, focusing on how different designs can enhance grip and stability for street conditions.
What Size Specification Do 70/100-17 Dirt Bike Tires Have?
The size specification of 70/100-17 dirt bike tires indicates the tire’s width and aspect ratio and its diameter.
Main points related to the size specification of 70/100-17 dirt bike tires include:
- Width of the tire
- Aspect ratio
- Rim diameter
- Tire types
- Tire brand variations
- Load capacity considerations
These main points provide a detailed perspective on the specifications and variations of dirt bike tires, highlighting the attributes that may affect performance.
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Width of the Tire:
The width of the tire in 70/100-17 is 70 millimeters, measured from sidewall to sidewall. A wider tire generally provides better traction and stability. For off-road riding, wider tires can enhance grip on uneven terrain. However, they may also increase rolling resistance, which could affect speed. -
Aspect Ratio:
The aspect ratio of 100 in 70/100-17 refers to the tire’s height relative to its width. Specifically, it means the height of the sidewall is equal to 100% of its width. A higher aspect ratio typically results in a taller tire that can absorb bumps better. This can improve comfort and control in rugged environments, but it may decrease cornering stability. -
Rim Diameter:
The rim diameter of 17 inches indicates the size of the wheel that the tire fits. This is a standard size for many dirt bikes, providing compatibility with a variety of models. A 17-inch rim allows for more significant tire options, impacting handling and comfort during rides. -
Tire Types:
Various types of tires can be categorized under 70/100-17, including motocross tires, enduro tires, and trail tires. Each type is designed with specific tread patterns and rubber compounds. Motocross tires focus on grip and acceleration, while enduro tires balance traction and durability for longer rides. -
Tire Brand Variations:
Different manufactures produce 70/100-17 tires with unique tread patterns and rubber formulations. Popular brands like Dunlop, Michelin, and Bridgestone offer distinct advantages. Each brand may provide varying performance characteristics, such as enhanced durability or improved grip. -
Load Capacity Considerations:
Load capacity refers to the maximum weight the tire can safely support. Each tire carries a load rating, which is crucial for ensuring safe operation. It is essential to match the load capacity with the dirt bike’s weight limits for optimal performance and safety. Failure to consider this could lead to tire failure or compromised handling.
In summary, understanding these specifications allows riders to select the most suitable tires for their dirt bikes, based on riding style and terrain conditions.
What Are the Equivalent Street Tire Sizes for 70/100-17 Dirt Bike Tires?
The equivalent street tire sizes for 70/100-17 dirt bike tires are typically 120/70-17 or 130/70-17.
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Common alternatives for street tire sizes:
– 120/70-17
– 130/70-17
– 110/70-17
– 140/70-17 -
Varying perspectives on tire size equivalence:
– Riding style considerations (e.g., sport vs. touring)
– Terrain adjustments (street vs. off-road)
– Performance preferences (traction vs. durability)
– Cost considerations (budget vs. premium options)
Alternative street tire sizes are available depending on various factors.
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120/70-17:
The equivalent size of 120/70-17 serves as a popular option for those needing a compatible replacement. This tire maintains a similar overall diameter while providing a wider contact patch that can enhance grip on paved surfaces. The width of 120 mm offers better stability on roads. A study by Motorcycle.com in 2021 noted that transitioning from dirt to street tires needs a careful assessment of grip requirements and ride comfort for optimal performance. -
130/70-17:
The 130/70-17 size can also be suitable, offering a slightly wider profile. This might enhance traction and stability when cornering on streets. Depending on the bike model, this size can alter the handling characteristics slightly, which some riders may prefer for aggressive street riding. According to an analysis published in Rider Magazine in 2020, larger size tires may yield better acceleration on pavement but could also impact the precise handling that some riders seek. -
110/70-17:
For those preferring a narrower tire, the 110/70-17 can be an option. This size can decrease the tire’s contact with the road, potentially increasing the agility of the bike in urban settings. However, it may offer less stability during high-speed maneuvers compared to wider tires. A comparison study conducted by Cycle World in 2019 highlighted the importance of balancing width with performance needs. -
140/70-17:
The 140/70-17 size provides a wider footprint, increasing grip but also potentially affecting the lean angle and responsiveness. Riders who prioritize performance riding may opt for this size to maximize grip during high-speed turns. However, the trade-off might come in the form of reduced agility. Reports from Motorcyclist Magazine (2021) indicate that increased width often leads to better traction but may sacrifice some maneuverability, making it important for riders to select a size that matches their riding style and environment.
How Do You Choose the Right Street Tire Size to Replace 70/100-17?
To choose the right street tire size to replace 70/100-17, you should consider the equivalent metrics, the intended use, and compatibility with the bike’s specifications.
First, understand the dimension 70/100-17:
– The first number (70) represents the tire’s width in millimeters.
– The second number (100) indicates the aspect ratio. It tells you that the height of the tire is 100% of its width.
– The third number (17) is the rim diameter in inches.
Next, calculate the equivalent size for street tires. You can use a conversion chart or consult online tools. Common replacement sizes include 90/90-17 or 100/80-17.
Consider the intended use of the bike:
– If you ride primarily on paved roads, opt for tires that provide better grip and handling on hard surfaces.
– For mixed use, a compromise on tread pattern between off-road and street may be preferable.
Evaluate the bike’s specifications:
– Check the manufacturer’s recommendations. They provide a range of compatible tire sizes for optimal performance and safety.
– Review the load index and speed rating. Ensure the new tire meets or exceeds the original tire’s load capacity and speed capabilities.
Finally, consult a professional if uncertain. They can offer specific recommendations based on your bike model and riding style. By following these guidelines, you can select a suitable replacement for your tire.
What Key Factors Should You Consider When Replacing 70/100-17 Tires with Street Tires?
When replacing 70/100-17 tires with street tires, consider factors like tire size, load rating, tread pattern, and compatibility with your motorcycle’s specifications.
- Tire Size
- Load Rating
- Tread Pattern
- Compatibility with Rim Width
- Performance and Handling
- Weather Conditions and Use
Transitioning from the key factors, let’s explore each aspect in detail for a better understanding.
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Tire Size:
Tire size significantly influences your motorcycle’s handling and performance. The replacement tire should have similar dimensions to ensure proper fit and performance. A common street tire size that might fit could be 80/100-17 or 70/90-17, depending on your bike’s specifications. -
Load Rating:
Load rating refers to the maximum weight a tire can safely carry. When selecting street tires, ensure the load rating is suitable for your motorcycle’s weight and intended use. Failure to consider load ratings can lead to tire failure and unsafe riding conditions. -
Tread Pattern:
Tread patterns affect traction on different surfaces. Street tires generally have smoother tread patterns compared to dirt tires, optimizing performance on pavement. Choosing the correct tread pattern can enhance grip and maneuverability on the road. -
Compatibility with Rim Width:
Rim width compatibility is crucial when replacing tires. Check the motorcycle’s owner manual for acceptable rim sizes. Using an incompatible tire may lead to improper seating and poor handling. -
Performance and Handling:
Performance characteristics of street tires differ from those of dirt tires. Street tires typically offer better stability and grip on paved surfaces. Understanding these differences will help in making an informed choice for your riding style and conditions. -
Weather Conditions and Use:
Consider the typical weather conditions in which you ride. If you often encounter rain or wet roads, look for tires designed with adequate water displacement. This feature can help reduce the risk of hydroplaning and improve safety.
By carefully evaluating these factors, you can successfully replace 70/100-17 tires with suitable street tires.
How Does Tire Profile Impact Replacement Options for 70/100-17 Tires?
The tire profile significantly impacts replacement options for 70/100-17 tires. The profile consists of the tire width, aspect ratio, and rim size. The first number, 70, represents the width in millimeters. The second number, 100, indicates the aspect ratio, which is the height of the sidewall compared to the width. The last number, 17, denotes the diameter of the rim in inches.
Understanding these components helps determine compatible tire options. Wider tires may enhance grip but may not fit all rims. A lower aspect ratio means a shorter sidewall, leading to improved handling but potentially harsher rides. Replacement options must match these specifications for safe and effective performance.
Replacement tires can vary in tread pattern and rubber composition, which also affects ride quality and durability. Users should select tires based on riding style, terrain, and manufacturer recommendations.
Ultimately, the tire profile dictates the available alternatives. Matching the specifications ensures optimal performance and safety on the road. Therefore, when considering replacements for 70/100-17 tires, pay close attention to width, aspect ratio, and rim size for appropriate compatibility.
What Is the Significance of Load Index and Speed Rating When Choosing Street Tires?
Load index and speed rating are numerical values that indicate a tire’s maximum load capacity and safe speed capability. The load index specifies the maximum weight each tire can support when fully inflated, while the speed rating assures the driver of the maximum speed the tire can safely handle under specified conditions.
According to the Tire and Rim Association, Inc., load index refers to the maximum load a tire can carry, and speed rating signifies the speed at which a tire can operate safely. Both aspects are crucial for vehicle safety and performance.
Understanding the load index helps ensure tires can carry the vehicle’s weight plus any additional load, such as passengers or cargo. The speed rating affects performance, handling, and safety during high-speed driving. Selecting a tire with an inadequate index or rating can lead to tire failure or accidents.
The National Highway Traffic Safety Administration (NHTSA) emphasizes the importance of adhering to recommended load indices and speed ratings to prevent safety hazards. Each tire design undergoes rigorous tests to assign these ratings, ensuring reliability.
Inappropriate tire selection can cause compromised braking, steering issues, or blowouts, leading to serious accidents. Contributing factors include under-inflation, overloading, and high-speed driving beyond tire capabilities.
Statistics show that tires account for roughly 25% of all vehicle breakdowns, according to a 2021 report from the American Automobile Association. Proper load and speed specifications can significantly reduce such incidents.
The implications of load and speed specifications extend to road safety, economic costs from accidents, and environmental concerns due to tire waste.
In the health sector, poor tire choices lead to increased vehicular accidents, posing risks to drivers and pedestrians. Economically, accidents related to tire failures can result in medical expenses and vehicle repair costs.
To mitigate issues related to tire selection, it is crucial to follow manufacturer guidelines and consult professionals when choosing tires. Organizations like the Tire Industry Association recommend regular tire inspections to ensure compliance with load and speed specifications.
Regular maintenance practices, such as checking tire pressure and load capacity prior to travel, can prevent accidents. Utilizing technology like tire pressure monitoring systems further enhances safety by alerting drivers to potential tire issues.
What Are the Key Differences in Performance Between Street Tires and 70/100-17 Dirt Bike Tires?
The key differences in performance between street tires and 70/100-17 dirt bike tires mainly involve their design and intended use. Street tires are optimized for pavement, while dirt bike tires are specifically designed for off-road conditions.
- Traction:
- Tread Design:
- Rubber Composition:
- Handling:
- Durability:
- Vibration Dampening:
- Weight:
These points highlight essential elements distinguishing the two tire types. Understanding these differences is crucial for choosing the right type for your riding needs and environment.
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Traction:
Traction refers to the tire’s ability to grip the ground. Street tires provide excellent traction on smooth surfaces. In contrast, 70/100-17 dirt bike tires excel on uneven terrain, such as mud, sand, or rocks. The tread patterns on dirt bike tires enhance grip in these challenging conditions. -
Tread Design:
Tread design plays a vital role in tire performance. Street tires feature smooth, shallow treads for maintaining contact with asphalt. On the other hand, dirt bike tires have deeper, more aggressive treads to dig into loose surfaces. This design promotes better maneuverability and control on uneven ground. -
Rubber Composition:
Rubber composition impacts tire performance. Street tires use a softer rubber compound to provide maximum grip on dry, flat surfaces. In contrast, dirt bike tires use tougher rubber, built to withstand rough terrain and impacts, ensuring longevity in off-road conditions. -
Handling:
Handling characteristics vary significantly. Street tires offer straightforward steering and stability at higher speeds on paved roads. Meanwhile, dirt bike tires allow for agile handling, enabling quick turns and adjustments when navigating trails and rough paths. -
Durability:
Durability is crucial for tires based on the riding environment. Street tires generally wear faster due to frequent use on hard surfaces. However, dirt bike tires are designed to resist abrasions and impacts from stones or debris, making them more durable for off-road conditions. -
Vibration Dampening:
Vibration dampening is important for rider comfort. Street tires are engineered to minimize vibrations on smooth roads, providing a comfortable ride. In contrast, dirt bike tires prioritize grip and stability over comfort, transmitting more vibrations from uneven surfaces to the rider. -
Weight:
Weight differences can affect performance. Street tires typically weigh less because of their construction, enhancing speed and fuel efficiency. Conversely, dirt bike tires may weigh more due to their robust build, which is necessary for tackling rugged terrain effectively.
These differences underline the importance of choosing the right tire type based on riding conditions and preferences.
What Recommendations Do Experts Have for Finding Street Tire Alternatives to 70/100-17?
To find street tire alternatives to 70/100-17 dirt bike tires, experts recommend considering various tire sizes and attributes. This will ensure suitable performance and safety on the road.
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Tire Size Alternatives:
– 60/100-17
– 90/90-17
– 80/100-17
– 100/90-17 -
Performance Attributes:
– Tread pattern
– Rubber composition
– Load capacity
– Speed rating -
Riding Conditions:
– Urban streets
– Wet or slippery surfaces
– Off-road capability -
Expert Opinions:
– Balance between grip and durability
– Cost versus performance trade-offs
– Brand reputation and user feedback -
Consideration of Legal Regulations:
– Tire width restrictions
– Safety certifications
Understanding tire sizes and attributes helps in selecting the right street tire alternative.
- Tire Size Alternatives:
Tire size alternatives provide options that closely match the dimensions of 70/100-17 tires. Common sizes such as 60/100-17 and 90/90-17 can offer similar performance characteristics. The 80/100-17 size is also popular among riders looking for a good balance between off-road and on-road capabilities. Additionally, a 100/90-17 tire may improve overall handling on paved surfaces.
Selecting the right size is crucial for maintaining proper handling and stability. Technical specifications often include width (the first number) and aspect ratio, which indicates the tire’s profile height compared to width (the second number).
- Performance Attributes:
Performance attributes of the tire greatly influence ride comfort and handling. The tread pattern affects traction, stability, and water displacement. For example, tires with deeper treads perform better on wet surfaces, while flatter patterns provide improved grip on dry roads.
Rubber composition affects durability and flexibility. Softer compounds may offer better grip but wear out faster, while harder compounds last longer but may compromise traction. Load capacity and speed ratings are also essential. These ratings indicate the weight the tire can support and the maximum speed at which it can operate safely.
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Riding Conditions:
Riding conditions determine the choice of tire. Urban streets often require tires that can handle asphalt and provide good grip at varying speeds. Wet or slippery surfaces present additional challenges, requiring tires specifically designed for improved wet traction. Off-road capability is essential if the rider frequently traverses mixed terrain. Tires designed for dual-purpose use may serve well in both urban and off-road conditions. -
Expert Opinions:
Experts emphasize the importance of finding a balance between grip and durability when selecting tires. A cost versus performance assessment may also guide purchasing decisions. Some riders prioritize brand reputation, relying on past experiences or user reviews to identify reliable products. Choosing reputable brands can help ensure quality and performance, backed by customer testimonials and reviews. -
Consideration of Legal Regulations:
Legal regulations may dictate acceptable tire sizes for street use. Riders must inform themselves of width restrictions and local laws. Ensuring compliance with safety certifications is necessary for legal road usage and rider safety. Certification marks provide assurance that tires meet safety standards.
These insights equip riders with knowledge to make informed decisions on street tire alternatives to 70/100-17 tires.
Which Popular Brands Offer Street Tires That Fit Sizes Replacing 70/100-17?
Several popular brands offer street tires that fit sizes replacing 70/100-17 dirt bike tires.
- Michelin
- Bridgestone
- Dunlop
- Pirelli
- Continental
- Metzeler
Street tires vary in attributes like tread pattern, grip levels, and durability. Each brand offers different perspectives based on their unique technologies and market positioning.
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Michelin:
Michelin street tires are known for their innovative technology and superior grip. The company emphasizes the importance of safety and reliability. Their tires often feature a tread design that balances performance on both wet and dry surfaces. -
Bridgestone:
Bridgestone offers a variety of street tires that aim at providing excellent performance. Their tires typically have enhanced durability and can handle a range of riding conditions. Users appreciate the balanced performance and comfort. -
Dunlop:
Dunlop focuses on high-performance street tires. They utilize advanced rubber compounds that improve traction and wear resistance. Many riders favor Dunlop for its consistent handling and responsiveness. -
Pirelli:
Pirelli is synonymous with quality in the high-performance tire market. Their street tires are designed with specific tread patterns to optimize cornering and stability. Users report better control, especially in aggressive riding scenarios. -
Continental:
Continental emphasizes durability and technology in manufacturing their street tires. Who values longevity in wear should consider Continental options. Their tread patterns often facilitate better water drainage. -
Metzeler:
Metzeler is known for its focus on motorcycle enthusiasts. Their street tires provide a unique blend of classic design and modern technology. Riders often choose Metzeler for aesthetics and performance, especially in retro or classic builds.
Different brands present distinct rim and performance attributes, allowing riders to select tires that match their preferences and riding styles.
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