The Miss Modern is in the 1936 Claud Butler catalogue with a short top tube and an Osgear or Simplex 3-speed. The 1939 version used Reynolds 531 double-butted tubing in a diamond frame, and the 1949 catalogue lists welded Mk I (Model 9) and Mk II (Model 10) versions with clearance for 26 or 27in wheels.
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
- H.M. butted tubing with short top tube1936 — Ebykr catalogue archive, p.9
- Reynolds 531 double-butted1939 — Ebykr catalogue archive, p.13
- diamond frame1939 — Ebykr catalogue archive, p.13
- also with Brampton fittings1939 — Ebykr catalogue archive, p.13
- Welded1949 · 9 (Mk I), 10 (Mk II) — Ebykr catalogue archive, p.7
Gears and drivetrain
- Osgear or Simplex 3-speed1936 — Ebykr catalogue archive, p.9
- Mk I with Simplex 3-speed1949 · 9 (Mk I), 10 (Mk II) — Ebykr catalogue archive, p.7
Wheels and tyres
- 26 × 1¼in Endrick rims1936 — Ebykr catalogue archive, p.9
- Endrick rims1939 — Ebykr catalogue archive, p.13
- clearance for 26 or 27in wheels1949 · 9 (Mk I), 10 (Mk II) — Ebykr catalogue archive, p.7
Catalogue appearances
| Year | Name as printed · model no. | Details | Source |
|---|---|---|---|
| 1936 | "C.B." MISS MODERN MODEL | H.M. butted tubing with short top tube; 26 × 1¼in Endrick rims; Osgear or Simplex 3-speed. | Ebykr catalogue archive, p.9 |
| 1939 | C.B. Miss Modern Model | Reynolds 531 double-butted; diamond frame; Endrick rims; also with Brampton fittings. | Ebykr catalogue archive, p.13 |
| 1949 | Miss Modern · 9 (Mk I), 10 (Mk II) | Welded; 20½–22½in; clearance for 26 or 27in wheels; Mk I with Simplex 3-speed. | Ebykr catalogue archive, p.7 |
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.