Police have named the 70-year-old motorcyclist who died after his motorbike collided with a barrier on Birk Brow hill on the A171.
Rod Byers hit the barrier as he came round the first corner while travelling with a group from Whitby towards Teesside on Sunday.
Mr Byers, from Jarrow in Tyne and Wear, later died of his injuries in James Cook University Hospital.
The Teesside Coroner’s Office is appealing for any relatives to get in touch with them. Please phone 01642 729350.
If you witnessed the incident, contact the Cleveland and Durham Collision Investigation Unit via the 101 number quoting Event CVP-18-065771.