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180/50 R17 Tires

Everything we know about the 180/50 R17 tire size: 7 owner reviews covering 18,680 miles of driving, and EU label data for the tires you can actually buy in it.

  • 7owner reviews
  • 18,680 milescovered on them
180/50 R17 To scale, mm
Ø 612 180 90 17" 90

What does 180/50 R17 mean?

A 180/50 R17 tire is 180 mm wide, its sidewall is 50% of that width (90 mm) tall, and it fits a 17 inch wheel. That gives an overall diameter of roughly 612 mm.

180/50 R17 nominal dimensions
Section width180 mm
Sidewall height90 mm
Rim diameter17" (432 mm)
Overall diameter≈ 612 mm
Circumference≈ 1,922 mm
Revolutions per km≈ 520
Revolutions per mile≈ 837

Also written as

180/50R17 180/50 ZR17 180-50-17 180 50 17

Figures are calculated from the nominal size. A loaded, rolling tire runs a few percent smaller, and true widths vary slightly between makes.

Comparing two sizes? Use the tire size calculator →

What drivers say about their 180/50 R17 tires

The most recent owner reviews fitted in this size, in their own words.

51%
Michelin Power 5 180/50 R17 Yamaha MT 07 1,300 miles July 26, 2022
I’ve installed this tire on two of my bikes with strong engine braking, the front tire feels sketchy and most of my mate at least on one occasion said that they almost lost the front tire, the rear tire squares off after 2.5k kms and has almost no grip on the middle strip. I’ll never buy this tire again and give Michelin thumb down on this failure. I have the Power GP on one of my bikes and I take my hat for it, I hope Michelin have improved the Power 6 tire otherwise I’ll be only using Power GP for now.
74%
Pirelli Diablo Rosso II 180/50 R17 Yamaha FZ6 5,200 miles March 9, 2013
Lasted 5200 miles on my FZ6. Fantastic grip in the dry, never let go, even riding with guys on sportsbikes.
All I didnt like was front tire profile was a bit 'pointy', meaning it turned in a bit to quick on a naked bike. When the tires got to 4000 miles, the rear was fairly squared off, but the front had worn more at the edges, making turning in not that smooth.
I have this week changed to Bridgestone BT023, which make the steering slower, but suits my riding style and bike much better
96%
Bridgestone Battlax BT 021 180/50 R17 Suzuki GsxR 600 2,000 miles February 28, 2013
i"ve only been riding for 2 years now,but i have done some miles,i"ve done around 45k,and it"s Bridestone every time for me,they have never let me down yet(touch wood)....Ha,they do what there meant to do and that means stick to the road and keep you on the bike,i ride very hard and i use all of the tire,i go out with a lot of experienced riders who also like to ride hard,and with Bridgestone 21s i feel just as confident as they do,and also to be honest i don"t really ride that much in the rain,but when i do i take it easy (i think) Ha and again there doing a perfect job ...............Defo recommend this tire
97%
Bridgestone S20 180/50 R17 Honda CBR1000RR10 80 miles April 4, 2012
took the new 2012 fireblade out for a spin on a test ride, fitted with the new S20 tires on dry roads on a warm day over various road surfaces, I was amazed at how well the bike behaved, weather its down to the new tires or the new suspension package on the bike, they worked pefectly, there was no effort in tipping the bike over, the tires and suspension made the bike blend into the road, smoothed out all the bumps, it was like gliding over a racetrack the ride was so smooth, id hammered the bike to 185 only to be told later that its been ridden to 195 by one of the Hondas mechanics, but the speed i carrried through the bends was insane, the grip and feel of the bike was so confident inspiring, id been yanking the throttle trying to spin the rear tires and slamming on the rear brake, but i was on the ABS model and could not get the tires to let go, i couldnt push the past there limit, even though id been dragging my knees for several corners, in a straight line all i could manage to do was my the bike rocket its front wheel into the air, none of the Honda team could comment on the life span of the tires, but after id ridden the bike and checked the tires, there was hardly any marbles or scrubbing on the tires even though id ragged it silly, i currently ride a cbr1000rr 7 with the bridgestone battlax BT023's as i do alot of long distance rides, but if the S20's turn out to have the life span that bridgestone claim they do, id deffinatly have them on my bike as they were an amazing addition to the new blades handling.
97%
Continental ContiRoad Attack 180/50 R17 Kawasaki ZXR 636 September 4, 2008
from cold in the wet you can really go for it with these and they dont spin up on white lines when its raining

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Where this data comes from

Owner ratings are submitted through the review form on this site, naming the tire, the size and the distance covered, and are checked by hand before publication. Test results come from independent published tire tests indexed by size, and label values from the EU EPREL database.

About the TR Score

The Tire Reviews Score rates each tire 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 Tire Reviews test is run by Jonathan Benson, who has been testing tires independently since 2007.

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