Thefirst number 235 is the tire width in millimeters. The 2nd number 50 is used to calculate the sidewall height or "aspect ratio", by percentage. So, the sidewall height of a 235/50 R 17 tire is 60% of 235 = 192. The 3rd number 17 (generally preceded by an "R") is Rim Diameter in inches. This is the diameter of the rims bead seat base, not 21565-R16 tires are 0.26 inches (6.6 mm) larger in diameter than 225/55-R17 tires and the speedometer difference is 0.9%. Selectfrom a huge range of 225/55R17 tyres at Bob Jane T-Marts. Don''t forget, if you find an identical stocked tyre for less and we''ll match it and pay you 10% of the difference. Find a Buy 4 Get $50 Cash Back $366. Pirelli Cinturato P7™ (*) 225/55R17 97Y (RFT - ECO) - Promo Cash Back. Buy 4 Get $100 Cash Back RESTRICTIONSAPPLY. TIRE WILL BE REPLACED FREE OF CHARGE. MOUNTING AND BALANCING NOT INCLUDED AND YOU MAY BE CHARGED APPLICABLE TAXES, THE COST OF VALVE STEMS, AND DISPOSAL FEES. AVAILABLE IN US AND CANADA ONLY. ZIEX ZE960 A/S. ZIEX ZE960 A/S. ZIEX ZE960 A/S. TheAVID Ascend LX is Yokohama's Standard Touring All-Season tire developed for drivers of sedans, coupes, crossovers and minivans who want a quiet ride and confident wet performance combined with dependable winter traction and long tread life. The AVID Ascend LX is designed to deliver grip in dry, wet and wintry conditions, even in light snow. FullwayHP108 All-Season Truck/SUV High Performance Radial Tire-225/55R17 225/55ZR17 225/55/17 225/55-17 101W Load Range XL 4-Ply BSW Black Side Wall UTQG 380AA. 4.5 out of 5 stars. 8,157. 100+ bought in past month. $70.57 $ 70. 57. List: $90.75 $90.75. FREE delivery Fri, Jan 12 . 225 50 r17 tires Yes but must replace all the 4-tyres since there is a big difference in load index and overall diameter in 2-types of tyre size. 60 is normally for sport car type, while the 55 is more on passenger car type. See its complete specifications for comparison details; 225 60R17 vs 225 55R17. Thank Writer. The225/55R17 Run Flat tire has the following features: the first three digits 225 refer to the width of the tire in millimetres. The second two-digit number 55 refers to the ratio between the height of the sidewall and the width of the tire. R stands for “Radial” and the last two figures 17 indicate the wheel diameter in inches. Compare215/55 R17 vs 225/50 R17. Tire Size and Comparison Calculator calculate tire diameter from code and compare speedometer differences for tire sizes. The first number 215 is the tire width in millimeters. The 2nd number 55 is used to calculate the sidewall height or "aspect ratio", by percentage. Inaddition, Atrezzo SH408 has a staggered lug design to provide a quiet, comfortable ride for drivers and passengers. Sailun Atrezzo SH408 tire prices range from $72.99 to $146.98 per tire depending on the tire size selected. Features & Benefits. Designed for use on passenger cars. Backed by a 55,000 mile limited manufacturer tread life warranty. hmag.