Tried the website contact, no reply for a few days already. Faced similar issues, not really sure if it's their email filter..

Also found them not the quickest but otherwise absolutely fine.

Hi, past experience has been very good. Not the fastest delivery but way cheaper group sets and wheels. I think they don't have a lot if stock and get the products from the distributors as and when.
So far ordered colnago epq, which took around 7 weeks (although the time scale is due to colnago), 3 super record groupsets, shamal wheels and various tubs. If you can wait 10 days for your purchase shiny bikes is excellent. If you need your purchase in the same week probike kit or wiggle is the way to go.

Received a parcel today, with one item missing. Emailed Shiny Bikes, and had a reply within 6 Hours from Fraser. Problem rectified. Can't ask for more.
Yes they are sometimes a bit slower than Wiggle or PBK, but if you factor this in to your planning, the lower prices are worth waiting for.
I tend to order items like chains, tubes, tyres etc in advance so that I have spares on hand.

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Ozrider - Western Australia
Parlee Z5 XL 2011 (6055g/13.32lbs) Raleigh RC Ltd 2008 (7.6kg) Reynolds 653 Custom 1990 (9.8kg, now 8.8kg)
The accumulation of marginal gains is what makes the difference between winning and losing