The Affair of the Avalanche Bicycle and Tire Co.: Horace Dorrington solves the mystery of a case of sabotage on a bicycle track.
Cast: Peter Vaughan (Horace Dorrington), John Stratton (Mallows), John Carlisle (Stedman), Kenneth Colley (Farrish), Petronella Barker (Miss Parrot), Paul Angelis (Gillet), Tony Caunter (Fielder), Christopher Beeny (Sparks), Robin Ford (Barratt), Sheila Gish (Mrs Chalmers), Hilary Hardiman (Lady Jameson), Patti Dalton (Post Office Clerk)
Writer: Julian Bond / Director: James Goddard
Original Airdate: 4 Oct 1971 on ITV
Series: The Rivals Of Sherlock Holmes Season 1 Episode 3