The Brevit Club is in the 1949 Claud Butler catalogue with 70° parallel angles (a figure the transcription marks as uncertain) and a 40¼in wheelbase, as Model 12 (Mk I, brazed racing build) and Model 11 (Mk II, welded).
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
- Mk I brazed racing build, Mk II welded1949 · 12 (Mk I), 11 (Mk II) — Ebykr catalogue archive, p.6
Catalogue appearances
| Year | Name as printed · model no. | Details | Source |
|---|---|---|---|
| 1949 | Brevit Club · 12 (Mk I), 11 (Mk II) | 70° parallel (the transcription marks this figure as uncertain); 40¼in wheelbase; 20½–22½in; Mk I brazed racing build, Mk II welded. | Ebykr catalogue archive, p.6 |
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.