When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Dont think my 4.1 will be much use, Im fairly sure the RB5 is a 3.9 as thats whats common on the uk boxes, might be worth popping onto RB5oc and asking tho.