49685d02_nt_Convention___iusmentis_com___Basis_in_priority_document
[Claim] A motorcycle comprising the lamp of claim 1. [Benefit of priority?] No. Although a motorcyle obviously is a "vehicle such as a bicycle", this information does not flow directly and unambigously from the quoted sentence. [Basis in priority document] 
"This lamp can be used in vehicles such as bicycles."
Priority under the European Patent Convention (EPC) (in Patents > European Patent Convention @ iusmentis.com)
Basis in priority document