315/35R21 tires are 29.7" tall, have a section width of 12.4", and fit wheels with a diameter of 21. The circumference is 93.2" that translates into 680 ...

305/35R21 tires are 29.4" tall, have a section width of 12.0", and fit wheels with a diameter of 21. The circumference is 92.3" that translates into 686 ...

295/35R21 tires are 29.1" tall, have a section width of 11.6", and fit wheels with a diameter of 21. The circumference is 91.5" that translates into 693 ...

275/40R21 tires are 29.7" tall, have a section width of 10.8", and fit wheels with a diameter of 21. The circumference is 93.1" that translates into 680 ...

265/40R21 tires are 29.3" tall, have a section width of 10.4", and fit wheels with a diameter of 21. The circumference is 92.1" that translates into 688 ...

255/40R21 tires are 29.0" tall, have a section width of 10.0", and fit wheels with a diameter of 21. The circumference is 91.2" that translates into 695 ...

245/45R21 tires are 29.7" tall, have a section width of 9.6", and fit wheels with a diameter of 21. The circumference is 93.2" that translates into 680 ...

235/45R21 tires are 29.3" tall, have a section width of 9.3", and fit wheels with a diameter of 21. The circumference is 92.1" that translates into 688 ...

325/35R20 tires are 29.0" tall, have a section width of 12.8", and fit wheels with a diameter of 20. The circumference is 90.9" that translates into 697 ...

305/40R20 tires are 29.6" tall, have a section width of 12.0", and fit wheels with a diameter of 20. The circumference is 93.0" that translates into 682 ...