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Buy 3 Get 4th Free Instantly plus $50 Bonus with Mail-in Rebate

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Buy 3, get the 4th Free Instantly Plus $50 Bonus with Mail-in Rebate
Requires purchase of 4 tires plus tire installation package, which includes, road hazard warranty, balancing and valve stems or TPMS reseal kit. Includes SELECT Definity, Hankook, Cooper and Falken tires only. $50 Bonus Mail-in Rebate Offer will be on a Pep Boys Visa® Prepaid Card issued by Citibank, N.A. Pursuant to a license from Visa® U.S.A., Inc. Visa® prepaid cards cannot be redeemed for cash and cannot be used for cash withdrawals. Visa Prepaid Cards can be used everywhere visa debit cards are accepted. Visa Prepaid Cards expire 120 days after the date of issuance, which date will be shown on the front of each card. Additional terms and restrictions apply. See store associate for details. Excludes all special order, warranty and road hazard adjusted tires. State or local taxes and/or surcharges for environmental protections will be an additional charge. Not valid in combination with any other Pep Boys offers, rebates or discounts. Combined Offer Valid: November 26 - November 30th, 2014.

Calculating Overall Tire Diameter

To calculate overall tire diameter, you only need the size of the tire. The formula below will help you determine the tire diameter.


Calculating Tire Diameter - Illustration

For example, if the tire size is 225/50R 16 the equation will be implemented as follows:

Calculating Tire Diameter - Formula
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