cannondale bad boy chainstay protector what size?

lee170
lee170 Posts: 236
edited August 2010 in The workshop
Hi,
I know this may be a stupid question but i own a awesome 09 cannondale bad boy and i want to get a chainstay protector to keep it pristine, Problem is they all look so big. Does anyone know what size i would need, Also do cannondale do them?

Cheers

Lee
2015 orange crush
2015 cannondale super six evo