hi,i ordered a new seat for my bike a week ago & just wondered how long to expect delivery to take. its been shipped via USPS & they emailed me on monday to say it had left the USA,which is cool. if i go to their site & click on the "track & confirm" option there are no further updates. is this normal or should i chase it up with them ? i'm not being impatient btw,this is the first time i've had something shipped from the US. cheers.