Ambivelent feelings on this. Better than most if the conditions are right but awful if not. If the weather is below 30'C and its dry you'll struggle to find a better tyre they're great. When its really hot tarmac the grip loses consitency and responsiveness for some reason but mid range dry waether they are AWESOME. In the wet they work at about 50% of what they can be which is a big difference if you ride in Britan all the time. Very comfortable and smooth, first knee down on this set (2000NINJA6R) but conditions have to be right and the WEAR IS TERRIBLE. Dont know eactly how many miles but they lasted me two-three months of 'spirited riding' to work and locally on a nice day which is half of what i got from contis + michellin
170/55 R18 Tyres
Everything we know about the 170/55 R18 tyre size: 1 owner reviews covering 2,000 miles of driving, and EU label data for the tyres you can actually buy in it.
- 1owner reviews
- 2,000 milescovered on them
What does 170/55 R18 mean?
A 170/55 R18 tyre is 170 mm wide, its sidewall is 55% of that width (94 mm) tall, and it fits a 18 inch wheel. That gives an overall diameter of roughly 644 mm.
| Section width | 170 mm |
|---|---|
| Sidewall height | 94 mm |
| Rim diameter | 18" (457 mm) |
| Overall diameter | ≈ 644 mm |
| Circumference | ≈ 2,024 mm |
| Revolutions per km | ≈ 494 |
| Revolutions per mile | ≈ 795 |
Also written as
170/55R18 170/55 ZR18 170-55-18 170 55 18
Figures are calculated from the nominal size. A loaded, rolling tyre runs a few percent smaller, and true widths vary slightly between makes.
What cars use 170/55 R18 tyres?
The cars most often running this size in our owner reviews. Each links to the best rated tyres for that exact car.
What drivers say about their 170/55 R18 tyres
The most recent owner reviews fitted in this size, in their own words.
Drive on 170/55 R18 tyres?
Review your tyres and help the next driver choose. It takes about five minutes, and every review on this page came from a driver who took them.
Where this data comes from
Owner ratings are submitted through the review form on this site, naming the tyre, the size and the distance covered, and are checked by hand before publication. Test results come from independent published tyre tests indexed by size, and label values from the EU EPREL database.
About the TR Score
The Tyre Reviews Score rates each tyre out of 10 using independent test results and the full body of owner reviews, so you can check a car-specific ranking against the wider evidence.
Who does the testing
Every test published as a Tyre Reviews test is run by Jonathan Benson, who has been testing tyres independently since 2007.