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Nitto NT01 is rated 4.6 out of 5 by 32.
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Rated 5 out of 5 by from NITTO NT-01 Have run several brands and types of tires. My best favorite was the R888R, then the shipping problems came along, couldn't get them and I decided to try this NT-01. At first, I thought, not likin' these much. Then I drove a few more laps, figured out my best air pressures and said, oh yeah, likin' these. Then I drove in wet conditions and was really, amazed. I had never driven lap times like those. Winter came, I had left my car outside for several weeks in thirty degree weather before I put it away. Spring came, got it out, checked it over and said, let's go see. Awesome. and as they wore, just kept gettin' better. I'm after another set now, but currently nowhere to be had. I'll wait.... For me there's no other tire I'll waste my money on. It's an '05 NA Stroker, lots of suspension, 315 square. My legal addiction :) Thanks for your time.
Date published: 2024-02-04
Rated 5 out of 5 by from Consistency These tires give you consistent performance over their surprisingly long life. My track-mates run Hoosier R7 and probably have a bit more grip - for a little while. I'm probably getting twice the amount of consistent laps in before needing to replace. I am just doing track days. If I were racing, then I would go with whatever gave me the best lap times. I can look at my times and know that if I did a better lap time, it wasn't because the tires were new.
Date published: 2023-10-11
Rated 5 out of 5 by from Best Dot R on the market I have run Toyo R888's, R888r's, Pirelli PZero Corsas, Michelin Cup tires (asstd), Yoko A048s and lots of Max Performance street rubber. For the money, nothing comes close to these tires and they hang on till bald and beyond like the old RA1's did. Wish they had a marker that told you when they were down to 1/32nd. Michelin Cup tires are not worth the $$$$extra unless the track gets wet. A half worn NT01 is essentially a slick. Great job Nitto. Direct feedback from a colleague says the A052s heat cycle out just like the A048s did so don't waste your money unless you only care about days 1-3 where they ??may be 1% better.
Date published: 2021-08-15
Rated 5 out of 5 by from Grip with confidence I run 5--10 track weekends a year, and I've tried different brands of R-compounds tires. I gained confidence on the track running Nitto 01, and it's been my favorite tire to run on dey surfaces. For the price point and performance you will not be disappointed.
Date published: 2020-12-30
Rated 4 out of 5 by from Most consistant track tire I ever ran I put over 10,000 miles of track time (on uncounted sets of them) on a heavily modified, track only Mustang. Absolutely tortured these tires weekend after weekend, never had a failure, pancaked them (Outside to inside mounting) ran them right to the cords several times, overheated them on 140 track temps, clinical abuse. The initial grip is great five heat cycles. then the grip does fall off after about 20 heat cycles but remains consistent and predictable until they are done. Highly recommend these to anyone headed for some track time. Better pack some rains if your are beyond midlife and the forecast calls for moisture.
Date published: 2020-06-19
Rated 4 out of 5 by from Great for the street and track I ran these tires countless times on my M235i, on the street they were great and on track amazing! I never recommend anything other than NT01's to anyone who asks.
Date published: 2020-02-12
Rated 5 out of 5 by from Consistency I have been using NT01s since they have been released. The consistency of their grip and their forgiving nature when over driving my car on track has made them the right choice for me. I've tried numerous DOT-R tires and decided that the NT01 is my best all around tire (grip, comfort when driving to the track, value) for driver and suspension development.
Date published: 2019-10-16
Rated 4 out of 5 by from Best tire period Have used these on the track and street for 5 years now and it is a great overall performance tire if you avoid heavy rain and stick to dry when they get worn. They wear much longer than you'd expect and they're non directional so you can also flop them on the rims if you do lots of street with a lot of neg camber and wear insides faster. 35-38 hot on the track is great for me. They're noisier than a summer tire but quieter than 888 and if you care about road noise you probably don't need these.
Date published: 2019-09-20
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NITTO: NT01

Size: 245/45ZR17
MSPN: NITO-371050
Features:
  • New Overall Construction Design
  • Handling Stability
  • Specialized Race Compound
  • Dry Performance
Benefits:
  • Optimized for consistency and stability under racing conditions. The semi-slick shoulder block design minimizes tread squirm and maximizes cornering grip and turn-in response.
  • High modulus rayon carcass, reinforced sidewall and the advanced body construction combine to increase stability during braking, cornering and straight-aways.
  • The road race compound balances dry traction, consistency, heat cycle persormance, heat resistance and longevity to provide fast and consistent lap times throughout the life of the tire.
  • The NT01 offers varying degrees of competition performance. The tire is molded at 6.3/32nds of an inch with large continuous tread blocks and sweeping lateral grooves. This setup can be easily shaved down to 3/32nds of an inch tread depth to function as
Warranty:
  • Manufacturer's Limited
Quoted Price

Important note on quoted prices:

* PRICES QUOTED INCLUDE: Mounting, balancing, valve stems(excludes tpms) and alignment check. Prices may vary from one store to another or from one date to another. Tires listed may not be in stock at the identified store. Prices listed were received from individual stores and have not been verified by Big O Tires. Please call the Big O Tires Store of your choice for up-to-date information and details on pricing, additional charges and product availability.

Important note on quoted prices:

Speed Rating:

The speed rating is a measure of what speed the tire can safely maintain for sustained periods of time. A higher speed rating will generally indicate that you will have better control and handling characteristics. Speed rating standards are established by the U.S. Department of Transportation (DOT). Manufacturers assign speed ratings to tires after extensive performance testing. On the sidewall of every tire, you’ll find one of these speed rating codes:

M – Up to 81 mph
N – Up to 87 mph
P – Up to 93 mph
Q – Up to 99 mph
R – Up to 106 mph
S – Up to 112 mph
T – Up to 118 mph
H – Up to 130 mph
V – Up to 149 mph
W – Up to 168 mph
Y – Up to 186 mph
Z – (See Below)

What does ‘Up to 99 mph’ really mean?
Tires with a Q speed rating can safely sustain speeds of up to 99 miles per hour. The tire may be able to reach higher speeds, but traveling at speeds higher than 99 mph for any length of time would be unsafe - the tire is not designed to handle it.

What is a Z Rating?
For tires having a maximum speed capability above 149 mph, a Z rating may appear in the size designation ...above 186 mph, a Z rating must appear in the size designation, including a Y speed symbol in brackets.

A Few Tips About Speed Ratings…
Never mix tires with different speed ratings, as this may cause serious handling problems.

We don’t recommend downgrading the speed rating of your tires, as the vehicle manufacturer has done extensive testing to determine which tires match the various driving characteristics of the vehicle. However, if you are looking for better handling, there is generally no problem in moving up to a higher speed-rated tire.

Most importantly: Put safety first. The speeds shown are test speeds; they are not recommended speeds.

Temperature Rating:

A comparative grade based on the tire’s resistance to heat and its ability to dissipate heat, again as measured under controlled conditions. The grades, from highest to lowest, are designated A – B – C. An A-rated tire is the coolest running, while a C-rating meets the minimum federal performance standards. These temperature grades are set based on a tire that is properly inflated and not overloaded.

Traction Grade:

A comparative grade based on the tire’s ability to stop on wet pavement, again as measured under controlled conditions on wet asphalt and concrete surfaces. The grades, from highest to lowest, are designated AA – A – B – C. A tire that is graded AA should have better traction or stopping performance than a tire with a lower grade, based on the specific straight-ahead braking tests.

Treadwear Grade:

A comparative grade based on the actual wear of the tire’s tread when tested under specific controlled conditions. All tires are tested under the same conditions to allow for comparison between manufacturers and between different lines of tires from the same manufacturer. The system is fairly easy to understand. A tire with a treadwear grade of 400 should have a useful tread life approximately twice as long as a tire with a treadwear grade of 200. The higher the grade, the better the expected treadwear.

Looking for new tires with optimal traction? Or are long-lasting treads a bigger priority? There’s a simple way to compare tire specs!

The Uniform Tire Quality Grading (UTQG) system was developed by the Department of Transportation (DOT) to assist consumers in the purchase of their tires by providing a standard grading system used by all tire manufacturers. Tire manufacturers use the UTQG system to grade their tires in three important areas: treadwear, traction and temperature. The UTQG grade for each tire is shown on the paper label affixed to the tire and is also molded in the sidewall.

Treadwear Grade – A comparative grade based on the actual wear of the tire’s tread when tested under specific controlled conditions. All tires are tested under the same conditions to allow for comparison between manufacturers and between different lines of tires from the same manufacturer. The system is fairly easy to understand. A tire with a treadwear grade of 400 should have a useful tread life approximately twice as long as a tire with a treadwear grade of 200. The higher the grade, the better the expected treadwear.

Traction Grade – A comparative grade based on the tire’s ability to stop on wet pavement, again as measured under controlled conditions on wet asphalt and concrete surfaces. The grades, from highest to lowest, are designated AA ABC. A tire that is graded AA should have better traction or stopping performance than a tire with a lower grade, based on the specific straight-ahead braking tests.

Temperature Grade – A comparative grade based on the tire’s resistance to heat and its ability to dissipate heat, again as measured under controlled conditions. The grades, from highest to lowest, are designated ABC. An A-rated tire is the coolest running, while a C-rating meets the minimum federal performance standards. These temperature grades are set based on a tire that is properly inflated and not overloaded.

UTQG is a great way to compare tires from various manufacturers and between specific lines from the same manufacturer. Remember: The UTQG isn’t a safety rating and it doesn’t guarantee a tire’s mileage performance - but you can use the UTQG in conjunction with price, warranty, appearance and recommendations to make the right tire choice for your needs. If you have any questions about UTQG or various tire lines, the Big O Tires team is always ready to help!

Hauling groceries – or bricks? The Load Rating or Load Index indicates how much weight each tire can safely support.

Every tire’s load rating is stamped into its sidewall. Once you know the load rating, you can use the chart below to determine the amount of weight that one tire can support. Then just multiply the weight by four - or the number of wheels on your vehicle - to determine your vehicle’s maximum load-carrying capacity.

Load Rating Table

Sometimes the maximum load (for example, 1060 kg) will be stamped into the sidewall so that you don't have to decipher the load rating. Remember: never install tires with a lower load-carrying capacity than the tires that were installed on your vehicle by the manufacturer!

Load Range:

The load rating is a measure of the tire's strength — its ability to hold air pressure under load.

The load rating influences the sidewall strength of a vehicle tire. If a tire has a load rating that is too low, the handling of the vehicle could become unstable as the sidewall buckles under the vehicle's weight. Conversely, a much higher load rating than needed can dramatically harshen ride quality.

The recommended load rating for a vehicle's tires can be found in its owner's manual. It is also normally affixed to a sticker located on one of the vehicle's door jams. If you are replacing tires supplied with the vehicle from the manufacturer, the load rating written on the tires is an appropriate guide.

Sidewall:

There are other codes on some tires that provide you with additional information, some of which are specific to light truck tire applications. Some of the other codes that you might find on your tires include:

LT = Stands for light truck application. Example: LT235/85R16
C, D or E = Load range indication for light truck applications
REIN = Reinforced
OWL = Outlined White Letters
RWL = Raised White Letters
ORWL = Outlined Raised White Letters
B, BLK, BW, BSW = Blackwall or Black Sidewall
W, WW, WSE – Whitewall or White Sidewall
XNW = Extra Narrow White Width
XL = Extra Load Capacity

Section Width:

The linear distance between the outside sidewalls of an inflated tire without any load (exclusive of protruding side ribs and decorations).

Sidewall Aspect Ratio:

The ratio between tire height and width.

Important note on quoted prices:

Prices quoted do not include additional charges for sales taxes, mounting and balancing, valve stems, tire disposal fees, state recycling fees, tire protection plans and other charges. Prices may vary from one store to another or from one date to another. Tires listed may not be in stock at the identified store. Prices listed were received from individual stores and have not been verified by Big O Tires. Please call the Big O Store of your choice for up-to-date information and details on pricing, additional charges and product availability.

How Are Tire Sizes Specified?
The first number describes width of the tire (section), the second number describes the aspect ratio (profile), and the third number the wheel diameter (rim size).
Alignment makes a big difference in how long tires last, how much gas you use, and steering and safety. When you buy new tires, we'll make sure they're properly aligned with a free alignment check!

What is TPMS?


TPMS is an electronic system that monitors the air pressure in your tires and alerts you when they are under- or over-inflated. Proper tire inflation not only boosts your safety, but also the life of the tire and its fuel economy.

TPMS

Some components of the TPMS sensor may need to be replaced due to wear and corrosion over time. Our TPMS rebuild kit includes all the necessary parts to service your TPMS sensor and keep this important safety feature functioning properly.

About TPMS

Protect Your Purchase!

Have you considered our Tire Protection Package?

Available with purchase of new, non-Big O brand tires, TPP includes the following comprehensive coverage:


  • 3-Year Full Free Repair or Replacement Road Hazard

  • 3-Year Full Free Replacement Workmanship & Materials

  • 3-Year Free 24/7 Flat Tire Change

  • Limited Lifetime Prorated Repair
    or Replacement Coverage

  • Free Rotations and Rebalance for the Useful Life of Tire

  • Limited Mileage Warranty

Tire Protection ... On Us!


Your Big O brand tire purchase includes our Tire Protection Package, free of charge. Protection includes complimentary rotations and rebalances for the life of the tire, as well as 24-hour Roadside Assistance, available nationwide. Plus, we'll repair, replace or refund your tire in the event that it is damaged, free of charge for 3 years (pro-rated after).

TPMS

Drive away with confidence and peace of mind. We've got you covered. See Tire Warranty terms for details.

Protect Your Investment!


Available with the purchase of qualifying new tires, our Tire Protection Package provides comprehensive coverage you can count on. It includes complimentary rotations and rebalances for the life of the tire, as well as 24-hour Roadside Assistance, available nationwide. Plus, we'll repair, replace or refund your tire in the event that it is damaged, free of charge for 3 years (pro-rated after).

TPMS

Add TPP to your purchase today, and drive away with confidence and peace of mind. We've got you covered. See Tire Warranty terms for details.

Rim Diamter:

The wheel diamter (rim size).