i used them one month ago. With a Norwegian credit card and the stuff being delivered to Norway. No hassles or extra security checks. The stuff turned up as well
there is an afternoons riding on Uetliberg. This is the big ridge on the west side of Zurich. Some excellent downhill trails. Most are waymarked.
A couple of the bike stores in town will hire out bikes and give you a map. I guess the nearest day out in the hills will be around Flumserberg (the nearest decent ski resort). Not sure if there are any guides there.
I’ve got a car ride – a plane – another plane – a train – another train – a wait until a mate from Zurich passes by Yvoir train station – a short ride to the event. Going tomorrow so i can have a hangover on Friday and be perfectly ready