Lyndon Blacknell, 41, of Trem-y-Gardden, Penycae, near Wrexham collided with a cab driven by Carol O'Keefe on Rhos High Street on October 17 last year.
He died of a massive internal haemorrhage due to many multiple injuries.
North Wales Police senior crash investigator, Gary Roberts, said that the incident could have been avoided.
North East Wales coroner John Hughes said it was his responsibility to merely record a verdict, of accidental death, and not to apportion blame.
The inquest heard how on the day in question Mr Blacknell, a former mechanic and engineer, who had left his job to look after his young daughter while his wife, Lucy, went to work, had been to visit brother Steven Parry, of Gwynfryn, on his 1990 BMW bike.
The collision occurred at about 1.30pm as Mr Blacknell made his way back home through Rhos in order to get ready to collect his daughter.
Mr Parry, in a statement to police, recalled his last memory of Mr Blacknell was seeing his "beaming smile" as he left his home.
A cab, driven by Carol O'Keefe turned left from Bank Street onto High Street, before quickly preparing to turn right on Mountain Street.
The taxi was carrying Stephanie Louise Jones, her three-month-old daughter, Summer, and her 15-year-old disabled brother Aaron.
Mr Blacknell, who, Mr Roberts estimated, could have been travelling at approximately 50mph, struck the taxi and collided head first with a telephone box after his motorcycle skidded a further 24 metres down High Street.
Mr Roberts said: "It is my opinion that the motorcycle was being driven in excess of the 30mph limit and quite possibly significantly more.
"Whilst the taxi driver O'Keefe turned and failed to appreciate the presence of the motorcycle, the rider had placed himself in obvious danger.
"The actions of both have contributed to the cause of the collision. I consider it to have been avoidable."
Both Ms Jones and her daughter were treated at Wrexham Maelor for whiplash injuries.
Recording his verdict, Mr Hughes emphasised that the blame for the accident was a matter for a civil or criminal court – and not an inquest.
He said: "It seems to me from evidence I have heard that it was a collision. I'm not apportioning blame because I mustn't do that.
"What I recognise is that Lyndon Clive Blacknell had gone about his domestic business.
"He left on his BMW bike and we have this abiding recollection of his beaming smile.
"What I recognise is that in the High Street, at the junction with Mountain Street, there was a coming together of these two vehicles and as a result he came off his machine and had a collision with the telephone box.
"Everything that could have been done to help him was done, to no avail.
"The loss is felt so deeply by family and friends and I hope you can focus more on the last vision you had of your brother, happy and smiling, rather than the horror we've heard here today."
If you would like to write a tribute to Lyndon Blacknell please write a comment below or email digitalnews@nwn.co.uk
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