chains

So as I'm getting my 1199 race bike sorted out, no surprise I'm zoning in on gearing as something I want to change. Correct me if I'm wrong, but the decision points I've identified are: 1) How many teeth to add/drop and from front or rear? 2) Convert to 520 vs. stock 525 3) Quick change...

Well I wrote in an earlier post the the Ducati dealer hacked up my chain. I was given a replacement chain which is a DID520VX2. I have on order a DID520ER3. Should I wait or use the the chain I was given till I get the second one? The differece is about 400 on the tensile strength which...