Officers investigating a fatal collision on the A57 Snake Pass are appealing for dashcam footage.
The collision occurred on the stretch through Holden Clough at around 1.10pm on Sunday 11 August and involved two red Ducati motorbikes.
Police said:
‘Both riders, a man in his 50s and a man in his 60s, suffered serious injuries and were pronounced dead at the scene. Their families are aware and our thoughts are with them.
‘We are keen to speak to anyone with dashcam footage of the collision, or footage showing the riders in the moments leading up to the collision.
‘If you can help with the investigation, contact Derbyshire Police on 101 quoting the reference 24000477836.