How to make 2nd postage option more prominent

[plaig_bearings]

Hi everyone, 

I have searched high and low for an answer to this before posting. So here is the problem and why I am seeking a solution. Australia Post is hopeless and getting worse with standard delivery. I sell bearings that quite often customers purchase in small quantities, I offer free postage which is regular post and is built into the price. I offer Express Post as a 2nd option. My eBay customers are selecting Express post less than 10% of the time. On my website I offer the same postage options yet 90% of my website sales select Express Post. 

We are having delays of sometimes 2 weeks before customers are receiving their items via regular post and other items are disappearing all together. I would scrap the free delivery option except eBay prioritises it in rankings and we would definitely lose sales, the only thing I would like to do which we have done on our website is to make the option more prominent. Can anybody suggest anything? 

Here is an example of a listing where you can clearly see the Express Post logo on the product description: http://www.ebay.com.au/itm/Aussie-Bearings-Precision-High-Speed-Bearings-Heat-Resistant-Proven-Quali...

Any help would be greatly appreciated!

Kind Regards
Trev