Select tires for the front of your narrow body Pantera which are 24" to 25" OD, 225 to 245 cross-section.
It is a common mistake to try and set the front tires too far outward, closer to the fender lip. What happens is you'll end up with a tire that rubs the fender lip in high speed corners.
225mm front tire: 6mm offset - 7.5 inch wheel (20mm recessed)
235mm front tire: 11mm offset - 8 inch wheel (20mm recessed)
245mm front tire: 16mm offset - 8.5 inch wheel (20mm recessed)
8" wide Campy clone wheels (Pantera East) are designed with 23mm offset, 9" wide Kinesis wheels are designed with 25mm offset.
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Select tires for the rear of your narrow body Pantera which are 26" to 27" OD. My personal preference is a tire in the range of 275mm to 295mm cross-section. The exact cross-section depends upon the tire's availability and its outside diameter.
Others prefer tires in the range of 315mm to 335mm cross-section. Neither choice is wrong, each person knows what's best for them, or will learn from experience. The outside diameter of 315mm tires are an issue for me. 6018 had a set of them when I purchased it, I felt they were way too small for the fender opening.
275mm rear tire: 8mm offset - 9.5 inch wheel (20mm recessed)
285mm rear tire: 13mm offset - 10 inch wheel (20mm recessed)
295mm rear tire: 18mm offset - 10.5 inch wheel (20mm recessed)
315/35R17 rear tire: 12mm offset - 11 inch wheel (4mm recessed)
335/35R17 rear tire: 12mm offset - 11 inch wheel (protrudes 6mm)
335/30R18 rear tire: 18mm offset - 12 inch wheel (flush)
325/30R19 rear tire: 13mm offset - 11.5 inch wheel (flush)
335/25R20 rear tire: 18mm offset - 12 inch wheel (flush)
-G