Jami` at-Tirmidhi 1012
جامع الترمذي#1012Da'ifThawban narrated:"We went with the Prophet (following) a funeral. He saw people riding so he said: 'Are you not ashamed? Indeed Allah's angels are on their feet, while you are on the backs of your beasts
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirDaif
Al-AlbaniDaif
Zubair Ali ZaiDaif
In-book reference: 10:48