Officers from the Major Collision Enquiry Team are asking anyone who witnessed an incident on Sunday (July 17) in Hebden Bridge to come forward.
The incident occurred around 1.15pm, when a cyclist travelling towards Hebden Bridge on Keighley Road, and Vauxhall Zafira travelling in the opposite direction collided between Hebden Bridge and Peckett Well.
The cyclist, a 32-year-old man died at the scene.
Two other male cyclists travelling along Keighley Road with the 32-year-old were uninjured.
A further cyclist collided with a Peugeot Van that had stopped to assist. He was taken to hospital for treatment. The incidents are being investigated separately.
Sergeant Matt Tunney of the Major Collision Enquiry Team said; "I would appeal to anyone who was travelling around the area on Sunday afternoon who may have seen either the cyclists, or the vehicle prior to the incident or anyone who witnessed the collision itself to come forward. Enquiries are ongoing."
Anyone with information should contact MCET via 101.
Stage set for return of Leeds Summer Series
Three jailed over Rochdale machete attack linked to crime feud
Police appeal to trace wanted Bradford man
Wakefield man convicted of manslaughter after pub incident
Nominations open for Blackburn with Darwen Community Volunteer Awards
Woman arrested after attempted robbery in Cheetham Hill
Bradford Council seeks inclusion in grooming gangs inquiry
Former care home worker jailed for 25 years over child abuse offences
Bradford man jailed for sexual assault on teenager
Culture at the Heart of Stockport’s Transformation
South Asian Art Exhibition Opens at Cartwright Hall
Men’s Mental Fitness Programme Launches in Blackburn
Bhangra Nights
Alim OnAir
Legal Show
The Golden Era