CAR & BIKE
2025.11.27
Everyone wants to know about all-season tires, Dunlop "Synchro Weather" Q&A
When it comes to all-season tires, it seems that Dunlop "Synchro Weather" is the best choice. But what’s the difference compared to regular tires or studless tires? The Dunlop Tire representative will answer everyone’s questions! Additionally, a survey was conducted in March this year at Tsutaya Bookstore, and we have summarized everyone’s voices as well.
Winter tire preparations! This is the perfect time for "Synchro Weather"
The winter season is finally here. It's a season to enjoy winter leisure activities like hot springs and skiing; for those who want to go out by car, preparing winter tires is essential, but wait a moment. Now is the time to consider switching to the popular all-season tire, Dunlop "Synchro Weather."
However, there are surprisingly many questions such as "Are there benefits to all-season tires?" and "What is Synchro Weather?" So, I asked someone from Dunlop Tires.
However, there are surprisingly many questions such as "Are there benefits to all-season tires?" and "What is Synchro Weather?" So, I asked someone from Dunlop Tires.
Q: What exactly are all-season tires?
A: Tires that can be used year-round, in both summer and winter.
Summer tires are designed for driving on dry roads in the summer and generally offer good fuel efficiency, handling, and braking performance. On the other hand, studless tires excel in driving on snowy roads and icy surfaces.
All-season tires combine both functionalities at a certain level, allowing for driving without the need to switch to studless tires even in sudden snow.
All-season tires combine both functionalities at a certain level, allowing for driving without the need to switch to studless tires even in sudden snow.
Tires that may not be thought about often but are useful when the time comes.
In a survey, many people said,
“I didn’t know there were tires that could be used in both summer and winter.”
“I thought it was convenient not having to change them.”
However, the previously common all-season tires were considered inadequate for year-round use since they couldn't handle icy surfaces.
In a survey, many people said,
“I didn’t know there were tires that could be used in both summer and winter.”
“I thought it was convenient not having to change them.”
However, the previously common all-season tires were considered inadequate for year-round use since they couldn't handle icy surfaces.
Q: What is Dunlop's next-generation all-season tire "Synchroweather"?
A: The only all-season tire that can run on ice
Dunlop's "Synchroweather" combines excellent performance for both winter and summer, allowing for use without changing tires even in sudden snow and providing safe driving in summer heavy rain, making it a next-generation all-season tire.
Equipped with a new technology called "Active Tread," which changes the rubber's properties in response to temperature and moisture, it perfectly balances the advantages of winter studless tires and summer tires, making it an incredible tire.
Seiya Takeda from Dunlop Tires explained:
“It is currently the only all-season tire that can run on ice.”
The most dangerous condition on Japanese roads is when snow falls and after it melts, it freezes again. However, "Active Tread" adjusts the tire characteristics according to the road conditions, allowing it to handle all weather and road conditions, including sunny, rainy, snowy, and icy conditions.
Equipped with a new technology called "Active Tread," which changes the rubber's properties in response to temperature and moisture, it perfectly balances the advantages of winter studless tires and summer tires, making it an incredible tire.
Seiya Takeda from Dunlop Tires explained:
“It is currently the only all-season tire that can run on ice.”
The most dangerous condition on Japanese roads is when snow falls and after it melts, it freezes again. However, "Active Tread" adjusts the tire characteristics according to the road conditions, allowing it to handle all weather and road conditions, including sunny, rainy, snowy, and icy conditions.
夏も冬も、これ一本。次世代オールシーズンタイヤ＜SYNCHRO WEATHER＞｜【DUNLOP】ダンロップタイヤ 公式
＜SYNCHRO WEATHER＞は、晴・雨・雪・氷のあらゆる路面にシンクロする次世代オールシーズンタイヤ。一年中、履きっぱなしでいいから、タイヤの保管や交換不要。突然の天候変化や冬用タイヤ規制時もそのまま走行可能。
Q: Can the Synchro Weather really drive on icy roads?
A: It is the world's first all-season tire (※) to obtain the ice grip symbol.
The Synchro Weather is also stamped with the "Ice Grip Symbol," which is proof that it meets the performance standards for ice set by UN regulations. Therefore, it demonstrates certain effectiveness even on icy roads in winter.
Mr. Takeda from Dunlop Tires also
explained, "In Japan, many roads turn icy when it gets cold. Therefore, an all-season tire for Japan was necessary."
Even on surfaces where the ice from black ice has melted due to temperature changes near freezing, the Synchro Weather with the ice grip symbol provides reassurance.
Mr. Takeda from Dunlop Tires also
explained, "In Japan, many roads turn icy when it gets cold. Therefore, an all-season tire for Japan was necessary."
Even on surfaces where the ice from black ice has melted due to temperature changes near freezing, the Synchro Weather with the ice grip symbol provides reassurance.
※ According to Dunlop
In fact, even among those who do not know about tire technology or the ice grip symbol,
“I didn't know tires had evolved this much.”
“I thought I actually wanted to wear them and run on snowy mountains.”
That being said, if you're choosing tires next, you can confidently choose Synchro Weather.
“I didn't know tires had evolved this much.”
“I thought I actually wanted to wear them and run on snowy mountains.”
That being said, if you're choosing tires next, you can confidently choose Synchro Weather.
Q: What are the benefits of switching to Synchro Weather?
A: You can go wherever you want, whenever you want, by car, regardless of the season.
During this time, even in places where it usually does not snow, the road surface can freeze (ice pavement). For example, when you want to go to a hot spring just for the weekend, the road around your home might be clear and unchanged, but as you reach the mountain roads, the temperature can drop sharply, and it is not uncommon for the road surface to be frozen.
With Synchro Weather, you can leave the snowless city and also visit the snowy region's hot springs you wanted to go to on the weekend.
*Please follow instructions in areas with chain regulations for all vehicles.
In other words, with Synchro Weather, you can go wherever you want throughout the year without having to change tires.
With Synchro Weather, you can leave the snowless city and also visit the snowy region's hot springs you wanted to go to on the weekend.
*Please follow instructions in areas with chain regulations for all vehicles.
In other words, with Synchro Weather, you can go wherever you want throughout the year without having to change tires.
In the survey, there were voices close to surprise, such as:
"I thought it was impossible to go over the mountains to the hot springs without winter tires."
"I thought I could only go skiing in the snowy mountains by train or bus."
"Because I'm with small children, if I have Synchro Weather, I want to go to places that the whole family can enjoy."
"I thought it was impossible to go over the mountains to the hot springs without winter tires."
"I thought I could only go skiing in the snowy mountains by train or bus."
"Because I'm with small children, if I have Synchro Weather, I want to go to places that the whole family can enjoy."
Q: If I switch to Synchro Weather, do I not need to change tires with the seasons?
A: Since seasonal tire changes and storage are unnecessary, changing tires improves cost performance and time efficiency.
With Synchro Weather, you can drive with the same tires in winter and summer thanks to its performance. This means you won’t have to worry about seasonal tire changes. Therefore, there are no hassles or costs for changing tires.
Of course, you won't need to store either winter or summer tires, so for example, you'll free up space at home and feel organized. It seems possible to start something new in the space that was previously used for tire storage.
Of course, you won't need to store either winter or summer tires, so for example, you'll free up space at home and feel organized. It seems possible to start something new in the space that was previously used for tire storage.
In the survey, there were many voices indicating that just solving issues of space and saving time is meaningful, such as:
"If I no longer have to sacrifice my holidays for tire changes, I want to go out and play with my family."
"If the balcony were spacious, I would like to start a home garden."
"If I no longer have to sacrifice my holidays for tire changes, I want to go out and play with my family."
"If the balcony were spacious, I would like to start a home garden."
Q: How durable is it? How long does it last?
A: It can be used for 4 years without needing to change.
With Synchro Weather, you can use it for 4 years (※) without needing to change. Of course, there will be no hassle of swapping or storing during that time. After 4 years, even after the "platform" becomes exposed and can no longer be used as winter tires, it can still be used as summer tires up to 80% wear.
※Please refer to the explanation section on the website below.
Q: What are the running costs?
A: Actually, it's very wallet-friendly
Let's look at a case that lasts just over 6 years, which is a bit longer than 4 years. When considering the case of "using both winter and summer tires" and "using SYNCHRO WEATHER," estimates show that with exchanges every 4 years, the SYNCHRO WEATHER can save about 100,000 yen in costs.
This is an estimate when considering expenses incurred throughout the year, such as tire mounting and dismounting fees and wheel changing fees, on a total cost basis. Since there are no storage fees or mounting/dismounting labor costs, when viewed in total, it is actually a good deal.
If you can go out as a family by car regardless of the season, there's no need to purchase tickets for trains or flights for each person, which can save on transportation costs.
This is an estimate when considering expenses incurred throughout the year, such as tire mounting and dismounting fees and wheel changing fees, on a total cost basis. Since there are no storage fees or mounting/dismounting labor costs, when viewed in total, it is actually a good deal.
If you can go out as a family by car regardless of the season, there's no need to purchase tickets for trains or flights for each person, which can save on transportation costs.
When comparing only the prices of tires, the cost performance and time performance can be surprisingly difficult to see, but in surveys, there were comments like,
"It would be great if the cost of renting storage space disappeared."
"When there are many family members, traveling by car is easier even in winter, and travel expenses can be reduced."
"It would be great if the cost of renting storage space disappeared."
"When there are many family members, traveling by car is easier even in winter, and travel expenses can be reduced."
Q: Recently, there have been a lot of sudden downpours in summer, but is that okay?
A: Actually, summer is safe too! We can handle sudden downpours
The "Active Tread" equipped in Synchro Weather responds to water, making the rubber softer, which provides grip on wet surfaces. Therefore, even in sudden downpours, it performs well in situations where steering is compromised or braking performance is reduced, allowing for safe driving.
In the survey, there were comments like:
“On weekdays, my wife drives for shopping, so I wanted tires that I could trust even in sudden downpours.”
“It would be nice if I could feel safe even in the summer rains since we don’t always drive on snowy roads.”
With Synchro Weather, even if there are sudden weather changes, the tires automatically adjust to the appropriate performance, making it seem safe even when carrying family or children.
“On weekdays, my wife drives for shopping, so I wanted tires that I could trust even in sudden downpours.”
“It would be nice if I could feel safe even in the summer rains since we don’t always drive on snowy roads.”
With Synchro Weather, even if there are sudden weather changes, the tires automatically adjust to the appropriate performance, making it seem safe even when carrying family or children.
Q: What about the quietness of Synchro Weather?
A: Conversations flow, quiet tires
Even though tire performance has improved, there are many opinions stating, "I dislike loud noise coming from the tires." For example, during long-distance road trips, tire noise significantly affects fatigue in the car. The Synchro Weather achieves a quiet interior with its low-noise design, so conversations will flow smoothly.
Regarding tire noise,
Mr. Takeda said, "It's almost as quiet as standard summer tires, so you can enjoy music inside the car."
he mentioned.
Mr. Takeda said, "It's almost as quiet as standard summer tires, so you can enjoy music inside the car."
he mentioned.
Choosing tires seems to influence not only safety but also the quality of time spent inside the car. In a survey,
many people emphasized comfort, saying, "If it's quieter than studless tires, driving will likely be more pleasant."
"I'm looking for quiet ones even in winter because I enjoy conversations with my family inside the car."
many people emphasized comfort, saying, "If it's quieter than studless tires, driving will likely be more pleasant."
"I'm looking for quiet ones even in winter because I enjoy conversations with my family inside the car."
Q: Is there a size that fits my car?
A: The size lineup is extensive with 100 varieties
The sizes of the Synchro Weather are an impressive 100 types(*). On Dunlop's homepage, you can select based on your vehicle type even if you are unsure about the size.
* Including tires that are planned to be released sequentially from December 2025.
As of December, most sizes are covered,
Mr. Takeda“By December, there will be 100 varieties, and further in spring 2026, we will also accommodate larger wheels such as 18 to 20 inches, so over 110 varieties will be in the lineup.”
While previous all-season tires had limited sizes, the Synchro Weather offers options ranging from large SUVs to compact cars, so there should definitely be a size that fits your vehicle.
* Including tires that are planned to be released sequentially from December 2025.
As of December, most sizes are covered,
Mr. Takeda“By December, there will be 100 varieties, and further in spring 2026, we will also accommodate larger wheels such as 18 to 20 inches, so over 110 varieties will be in the lineup.”
While previous all-season tires had limited sizes, the Synchro Weather offers options ranging from large SUVs to compact cars, so there should definitely be a size that fits your vehicle.
With Synchro Weather, adventure and peace of mind
Where shall we go as a family this winter?
Whether it’s snowy roads, rainy roads, or sudden changes in weather, with Synchro Weather that can handle any road surface, all you have to do is decide your destination. You can go out confidently with your family to the places you want to visit.
From hot springs to skiing to gourmet trips. Come to Futako Tamagawa Tsutaya Electrics "E-room1" to explore the journey to your desired travel destination. There will be exhibits where you can experience travel destination proposals for adventures with Synchro Weather and create your own protective Synchro Weather charm.
Duration: December 4 (Thursday) to 7 (Sunday), 2025
Time: 11:00 AM to 8:00 PM
Location: Futako Tamagawa Tsutaya Electrics E-room1
Organizer: Dunlop Tire Co., Ltd.
From hot springs to skiing to gourmet trips. Come to Futako Tamagawa Tsutaya Electrics "E-room1" to explore the journey to your desired travel destination. There will be exhibits where you can experience travel destination proposals for adventures with Synchro Weather and create your own protective Synchro Weather charm.
Duration: December 4 (Thursday) to 7 (Sunday), 2025
Time: 11:00 AM to 8:00 PM
Location: Futako Tamagawa Tsutaya Electrics E-room1
Organizer: Dunlop Tire Co., Ltd.
SYNCHRO WEATHER/次世代オールシーズンタイヤ | プロダクト | 蔦屋家電+
次世代オールシーズンタイヤ １．路面状態に合わせてタイヤ自らが適した性能に変化する ２．晴・雨・雪・氷などあらゆる天気、路面にこれ1本で対応 ３．季節に応じたタイヤ交換不要、1年中履き換えなくて大丈夫 ▼開発の経緯・企画を思いついたキッカケ 多くの人にとって
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