It's a Falcon Storm mountain bike.
Gardaí continue to investigate the death of Ashling Murphy.
The Offaly teacher died after an attack along the canal bank at Cappincur, Tullamore, County Offaly.
A postmortem has been completed the results of which are not being released for operational reasons.
A man in his 40s remains detained at Tullamore Garda Station under the provisions of Section 4 of the Criminal Justice Act, 1984.
An Garda Síochána are appealing for any information on a Falcon Storm mountain bike with straight handlebars and distinctive yellow/green front forks.
Gardaí are appealing for any person with any information on this fatal assault to come forward.
Gardaí continue to appeal to any persons that were in the Cappincur/Canal walk area of Tullamore, County Offaly before 4pm, yesterday afternoon Wednesday, 12th January 2022, to make contact with them.
Anyone with information is asked to contact Tullamore Garda Station on 057 932 7600, the Garda Confidential Line on 1800 666 111, or any Garda Station.
Commissioner Drew Harris has made this appeal: