Mercian's 1998 frame brochure lists the Professional with the same tubing and brazings as the Strada Speciale, but with hand-filed Prugnat Italian lugs and long spearpoints welded onto the bottom bracket shell.
Known components
Listed exactly as our confirmed sources give them, with the year and source for each. A part listed for one year or version may not apply to every bike, so check against yours.
Frame and fork
- hand-filed Prugnat Italian lugs1998 — Velopedia (Historische Fahrräder e.V.)
- long spearpoints steel-welded onto the bottom bracket shell1998 — Velopedia (Historische Fahrräder e.V.)
Catalogue appearances
| Year | Name as printed · model no. | Details | Source |
|---|---|---|---|
| 1998 | Professional | Specification and brazings as the Strada Speciale; hand-filed Prugnat Italian lugs; long spearpoints steel-welded onto the bottom bracket shell | Velopedia (Historische Fahrräder e.V.) |
Specs are as printed in the catalogue. Years are when the model appears in a source, not exact production dates.
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Sources
Last updated 19 October 2026. Every fact on this page comes from one of these.