[Sound] Dennis Trident LX55EPN with weird sounding axles - Stagecoach 18463

This one's made noises like this for 2 and a half years now. No thrash in this video, as the 199 around 4pm takes a million years to get anywhere. Just weird sounds.
First photo: 17876 on the 199
Second photo: this bus on the 54
This bus was serving route 199 from Bellingham to Canada Water.
Operator: Stagecoach London
Fleetnumber: 18463
Registration: LX55EPN
Chassis: Alexander Dennis Trident
Body: Alexander Dennis ALX400
Gearbox: Voith 4-speed

[@AsylumicLincoln]

Axles are gone now. I really missed them. ;-; 😭