http://www.photo.net/bboard/q-and-a-...?msg_id=007TC4

McKeown is wrong about it

I am pretty damn sure it really is a factory job and that everything stated otherwise is coming from a guide that is wrong.

I did find a website on the insolette L somewhere but can't find it anymore. I did measure the flaps myself and it is 60mm x 30-32 mm