Listed in the 1936 Claud Butler catalogue, the Super Taper Tube model used high-tensile steel tubes, with the seat and down tubes tapering from 1⅛in to 1⅜in, and 26 × 1¼in Endrick rims.
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
- High-tensile steel tubes, the seat and down tubes tapering from 1⅛in to 1⅜in1936 — Ebykr catalogue archive, p.12
Wheels and tyres
- 26 × 1¼in Endrick rims1936 — Ebykr catalogue archive, p.12
Catalogue appearances
| Year | Name as printed · model no. | Details | Source |
|---|---|---|---|
| 1936 | "C.B." SUPER TAPER TUBE MODEL | High-tensile steel tubes, the seat and down tubes tapering from 1⅛in to 1⅜in; 26 × 1¼in Endrick rims. | Ebykr catalogue archive, p.12 |
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.