Which LDFAS bands fit the Galaxy Watch 5 Pro?

Yes. LDFAS lists 1 compatible band for the Galaxy Watch 5 Pro: Galaxy Watch7 / Watch6 Classic용 LDFAS 티타늄 밴드 - 곡선 버클 SSR.

What band size does the Galaxy Watch 5 Pro use?

The Galaxy Watch 5 Pro has a 45mm case. Compatible band width: Quick Release 20mm.

Yes — 1 LDFAS band are available for the Galaxy Watch 5 Pro, each covered by a 2-year warranty.

Samsung45mmLug Quick Release 20mmSL20 Spring Pin 20mm

Grade 1 Pure Titanium (99.5%+) — aerospace-grade, feather-light and skin-friendly.
Precision fit — engineered to the exact lug geometry of your watch.
2-year warranty on every LDFAS band.

Which LDFAS bands fit the Galaxy Watch 5 Pro?: Yes. LDFAS lists 1 compatible band for the Galaxy Watch 5 Pro: Galaxy Watch7 / Watch6 Classic용 LDFAS 티타늄 밴드 - 곡선 버클 SSR.
What band size does the Galaxy Watch 5 Pro use?: The Galaxy Watch 5 Pro has a 45mm case. Compatible band width: Quick Release 20mm.
Are LDFAS bands compatible with the Galaxy Watch 5 Pro?: Yes — 1 LDFAS band are available for the Galaxy Watch 5 Pro, each covered by a 2-year warranty.