Continental Supersonic Presta Valve Inner Tube 700x20-25 — made in Germany. This Continental 700x20/25C Race 28 Supersonic inner tube, suitable for 700B or C…
Continental Supersonic Presta Valve Inner Tube 700x20-25, sold under the Continental brand, is manufactured in Germany. That origin is recorded at the "Brand-Stated" evidence grade.
Continental is headquartered in Germany; a brand's home country is not evidence of where its goods are made, and the two are tracked separately.
Origin evidence last reviewed 2026-10-24.
Every origin claim on Hesperia Market is graded by the strength of its evidence and linked to its sources.