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Rockproof

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NokianRockproof

Treadwell uses new tire testing and real world tire life data to provide the most unbiased recommendation for you. Over time, most tires experience a falloff in performance (e.g. wet/snow stopping distance, wet/snow handling, noise) as they wear. In general, GOOD tires will falloff in performance faster as they wear when compared to BEST and BETTER tires.

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Nokian Rockproof

Name: Rockproof
Brand: Nokian
Availability: InStoreOnly
Rating: 0

The Nokian Rockproof is a mud terrain, all-season tire designed for extreme durability on or off-road. The Rockproof features stone ejectors to keep the tread cleared out, firm and precise handling and Nokians “Aramid Sidewall Technology” for protection from punctures. Take your truck or SUV on any adventure with the Rockproof, by Nokian.

UNIFORM TIRE QUALITY GRADE (UTQG)Uniform Tire Quality Grade

TreadwearN/A

TractionN/A

TemperatureN/A

SECTION WIDTH Measures the width of the tire from sidewall to sidewall, which is mounted on a wheel and inflated.	225 - 35
ASPECT RATIO Determines the sidewall height of the tire, based on the width.	12.5 - 75
RIM DIAMETER Measures the rim size from top to bottom (in inches).	16" - 20"
OVERALL DIAMETER Measures the tire height from top to bottom when mounted on a wheel and inflated.	29.3" - 34.5"
RIM WIDTH RANGE The approved range of rim widths this tire can be safely mounted on.	5.5" - 12.0"
WEIGHT The weight of the tire measured in pounds (weight of tire only).	45.0 LBS - 65.0 LBS
TREAD DEPTH Measured in /32 of an inch to determine the height of the tread block from top to bottom.	20/32"
LOAD INDEX Determines the weight a tire can carry at maximum air pressure. See load Index chart.	115 - 126
LOAD RANGE Determines the ply rating of the tire. Should be replaced with the same or higher rating.	E1 - E2
MAX PSI The max psi is the highest pressure the tire can hold, but should be inflated to your vehicle specifications not exceeding this amount.	65 PSI - 80 PSI
SPEED RATING Designation from laboratory testing to determine the maximum speed the tire can travel. Maintain the same speed rating or higher for replacement.	Q - Up to 100 mph
SIDEWALL DESC. The sidewall designation to describe the lettering on the sidewall.	Black Side Wall
VPN Vendor Product Number	T430144 - T431093

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