I have only ever replaced wheel bearings when doing restorations of vehicles, I have really never known them to fail, although I have heard the bearings on Clios seem rather small for the vehicle, but my Clio, a Mark 1 phase 2 model with 104k the bearings are fine.
Oh and the car I wrecked the rim and suspension control arm on, an '84 Cavalier, the bearings weren't replaced, but Clio, I understand the wheel bearings especially the front ones are a known problem area.
http://www.theaa.com/staticdocs/pdf/car ... _U9667.PDF
1992 Saracen Traverse Elite ( Sadly Lost
1993 Saracen Tufftrax Elite. ( STOLEN IN PLYMOUTH AREA !!!- http://www.retrobike.co.uk/forum/viewto ... 92#1202592
1995 GT Timberline.
Variety is the spice of life, Ignore people one day, annoy them the next !