Appologies for the delay, this is on my part and not Northern's. I have received the follow reply on this matter:
"Cycles can be carried in the vestibule but they do need to be booked on board as per TPE’s policy.
If wheelchairs cannot be conveyed then we will get an accessible taxi for the customers, this can be obtained through our contact centre in Sheffield."
It has also been clarified that booking cycles can be done on the TPE website.
Facebook FoBL, please could you pass these on to the disgruntled cyclists, assuming they used Facebook to contact. Likewise Anthony if you see the ones that you know.