In the example below, the aspect ratio of the tire is 70 percent, so the section height of tire will be 129.5mm. A 182/65B26 is 18mm wide and 117 high so the bike’s going to sit a little lower – roughly ½”. Other than sitting a bit lower, what other considerations are there will a lower profile? Most rideitors will assume you're talking about doing this to a sportbike. Motorcycle Street Tire Size Conversion Chart: Front Tires: Rear Tires: Metric: Alpha: Inch: Metric: Alpha: Inch: 80/90: MH: 2.50/2.75: 110/90: MP85: 4.50/4.75: 90/90: MJ90: 2.75/3.00: 120/90: MR90: 4.50/4.75: 100/90: MM90: 3.25/3.50: 130/80 : 5.00/5.10: 110/90: MN90: 3.75/4.00: 130/90: MT90: 5.00/5.10: 120/80 : 4.25/4.50: 140/80 : 5.50/6.00: 120/90: MR90: 4.25/4.50: 140/90: MU90: 5.50/6.00: … Parameters include width, circumference, aspect ratio, diameter, radius, wheel diameter, speed and sidewall height of metric and standard tires. To most people, the numbers and letters on the side of their tires are cryptic and indecipherable. Aspect ratio for most bias ply tires is somewhere around 80 or 90 percent. Tires made specifically for motorcycles are coded with an M. The tire Width Code is just a letter to substitute for the width of the rim. Online shopping for Automotive from a great selection of Motorcycle, Scooter & more at everyday low prices. The aspect ratio is a percentage of the section width. Purchase price of excluded items is applied toward free shipping level of $79.95. *Excludes frames, hardtails and specified oversize items. Aspect ratio is simply identified as a percentage of the section height divided by the section width. In metric this is a ratio between height and width. Get free shipping, 4% cashback and 10% off select brands with a Gold Club membership, plus free everyday tech support on aftermarket 16" 120 80-aspect-ratio Motorcycle Tires & motorcycle parts.. For example, a 205-65-15 tire has a 205mm tread width and fits on a 15-inch rim. C- Rim diameter D- Load capacity E- Tire … Tyre aspect ratio explained The side wall code lets you know the tyre specs such as width, load index, diameter, speed rating and profile of a particular tyre. All of the pricing for mounting and balancing is based on the tire's aspect ratio, which is the middle number of the tire size. This is represented as a percentage of the width of the tyre. 0 Comments. ex. ex. A certain design profile is critical in maintain the appropriate contact patch at all angles from straight to max lean. This is why ALL tire manufacturer will have a recommended rim width for any given tire size and varies between manufacturers due to tire construction an/or design and/or compound. NO SPAM, EVER. Motorcycle Tire Guide 4 their usable tread life. The sidewall height or "aspect ratio" of a 285/75/R16 tire is 75% of 285mm. S=112mph, H=130mph, V=149mph, W=168mph) F- Tubeless (TL) or Tube Type (TT) tire. If you are looking at the cross section of a tire, it had certain designed profile to it which would yield the best performance and/or efficiency and/or longevity of the tire. C- Rim diameter D- Load capacity E- Tire speed rating (ex. Tire Size Conversion Charts. Online shopping for Automotive from a great selection of Motorcycle, Scooter & more at everyday low prices. The two-digit number following the section width identifies the tire’s aspect ratio. This is a ratio of section height height to section width. But if you had a slightly wider rear wheel like a 130/80-16, then the rear would be 104mm high. Motorcycle Tyre Aspect Ratio Calculator Uncategorized February 12, 2019 0 masuzi Motorcycle tyre size designations ride on tire protection motorcycle tire sizes explained tire chart conversion The drawing of the tire tread and its negative ratio … The width codes below are for motorcycle tires with an aspect ratio of 80 or greater. If your tire size is 205/55R16, your aspect ratio is 55. We have over 2000 motorcycle tires and dirt bike tires in stock, but with our Tire Finder, you will be able to find just what you need in no time at all. Surely you're not thinking about fitting low profile tires to lower your Street Bob? If your dimension is in inches, multiply by 25.4 . Today, racing tire aspect ratios have gone as low as 0.25. EMAILS ARE NEVER SHARED. Those low-profile 190-series tires sure look gnarly on the back of a sportbike, and we've seen them pinched onto all sizes of rims. Thanks. Aspect Ratio: The aspect ratio is the height of the sidewall in relation to the width of the tread. Secondly, when you have a certain size rim (for example, 5 inch rim is designed for a 160 tire), going with a bigger width will squeeze the tire and make it more peaky. The following brands are exempt from additional discounts to the selling price: Drag Specialties, Biltwell, Motorcycle Tires: Understanding Tire Sizes and Codes, VIDEO: How to Install a 21" Lowbrow Customs Ribbed Spool Hub Wheel on a Sportster, Video: How to Install - Lowbrow Customs 21" Spool Hub Wheel Onto a Mid-USA Springer Using Pre-made Spacers, VIDEO: How To Install Extended Fork Tubes On Your Harley-Davidson Motorcycle, Panhead Jim Builds A Sportster Chopper - Part 3, VIDEO: How To: Harley Shovelhead Clutch Cable Replace, Install and Adjustment, Cloth Covered Wire - 16 gauge - sold by the foot - Assorted Colors Available, Weld-On Upper Fender Mount Tab for Curved and Ribbed Motorcycle Fenders, Throttle Tube - 1 inch - Dual Cable - Black. The smaller the number the lower profile of the tire. My Nissan Xterra OEM is a 255/65/16. Section Width: In this case it is 185. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. which hints at the tyre height (or section height), from bead to the tread, with regards to the tyre width (or section width). Can you give some info on your second point? It's just expressed in a different way. Rim strips are rubber strips that go around the rim, covering the inside edges of the spokes, before the tire is mounted. **Only one coupon code or discount can be used per order. Todd Muller is known for his experience and knowledge of motorcycle mechanics. A 180/70B16 is 180mm wide and 126mm high. Looking for some input on tire size and selection, specifically the aspect ratio. Therefore, you would look at the pricing line for "50-55 Series" tires. The aspect ratio is the height of the tyres' sidewall, given as a percentage of the width of the tyre. 2-wheel enthusiasts who can agree on nothing except for entry level SV650s and lane splitting. 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