Fitment notes

Specific comparisons, worked out one at a time. Each note settles one question — whether two bolt circles interchange, what a particular size change does — rather than explaining a whole subject; the longer explanations are in the guides, and the reference tables are in the offset to backspacing chart.

• Fitment notes, October 17, 2026

  5x114.3 vs 5x115: Why 0.7 mm Makes Them Different

  5x114.3 vs 5x115 compared from geometry: the 0.35 mm error at every stud, what it does to a tapered lug seat, and how to tell which pattern you have.