Support structure for a bicycle on-board device

摘要

The invention relates to a support structure (10) of a bicycle on-board device (20) inside a bicycle tube (230), the support structure (10) comprising means (21) for supporting the bicycle on-board device (20), and a portion (11) configured to be inserted inside the bicycle tube (230), characterised in that the portion (11) configured to be inserted inside the bicycle tube (230) has a stiffness with respect to radial deformation that is not constant for all of the angular positions and/or for all of the longitudinal positions.