Straight Mobil 1 5W50 0r 15W50 will do yer sporty no worries

Will work in the primarydrive/clutch case as well , but so will others like a good ATF

Both can be bought from Supercheap, hopefully on 20% off days

5 litres of Mobil 1 for $70 that way !!

Mobil 1 V-Twin 20W-50 Fully synthetic 6 Quarts - $93 + $13.50 postage (delivered to your door)

 http://www.ebay.com.au/itm/Mobil-1-V-Twin-20W-50-Fully-synthetic-6-Quarts-motorcycle-oil-Harley-VTwin-/170842373196?pt=AU_Motorcycle_Parts_Accessories&hash=item27c6ffbc4c

try to look on ebay...

 Front and Rear Brake Pads Harley XL 883 Sportster 2004-2010 - AU $25.00 Free postage - http://www.ebay.com.au/itm/Front-Rear-Brake-Pads-Harley-XL-883-Sportster-2004-2010-/310320016955?pt=AU_Motorcycle_Parts_Accessories&hash=item484083ae3b

http://www.ebay.com.au/sch/i.html?rt=nc&LH_PrefLoc=1&_nkw=sportster%20brake%20pads&_dmpt=AU_Motorcycle_Parts_Accessories&_fln=1&_trksid=p3286.c0.m283

I'd be a bit careful on what brake pads you use, different materials for different applications. There was a great right up in the last Live to Ride re brakes, well worth a read. where did you get the pads from? Have you had a look at Bell Ray oil?