boneshaker

bone +‎ shaker, from the uncomfortableness of the ride.

boneshaker (plural boneshakers)

1. A velocipede (the bicycle of the late 1860s).
2. Something jolty.

   The car was a real boneshaker.

   a boneshaker of a journey

   • 1959 December, “Letters to the Editor: The riding of S.R. multiple-units”, in Trains Illustrated, page 628:

     As this was my third journey on these boneshakers I am beginning to think there must be some very serious fault in their design.

• “boneshaker”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.