Tyre size

305 / 25 R20 · every rim width

2 real, user-submitted fitments of 305/25 R20 across 2 rim widths, 12J to 12.5J. Pick a width to see its photos.

12J · 305/25 R20

1 fitment · 305 mm rim, same as the tyre

12.5J · 305/25 R20

1 fitment · 318 mm rim, 13 mm wider than the tyre

Most viewed 305/25 R20 fitments

An example of tyre stretch: 305/25 R20 on 12.5J – HANKOOK

HANKOOK12.5J · 305/25 R20

An example of tyre stretch: 305/25 R20 on 12.0J – TOYO (TRIUMPH)

TOYO · TRIUMPH12.0J · 305/25 R20

Other R20 sizes

5 rim widths · 32 fitments

7 rim widths · 24 fitments

5 rim widths · 16 fitments

4 rim widths · 16 fitments

3 rim widths · 11 fitments

2 rim widths · 8 fitments

3 rim widths · 6 fitments

2 rim widths · 5 fitments

305/25 R20 rim widths: common questions

What rim widths has 305/25 R20 been stretched on?: TyreStretch.com has real photos of 305/25 R20 on 2 rim widths: 12J (1 photo), 12.5J (1 photo).
Which rim width has the most 305/25 R20 photos?: 12J, with 1 of the 2 photos. That reflects what the community has uploaded, not a fitment recommendation.
How much wider than a 305/25 R20 tyre is each rim?: A 305/25 R20 tyre has a nominal section width of 305 mm. The rims pictured run from 305 mm (12J) to 318 mm (12.5J) across the bead seats.