I don't know if you have heard of Motoz Tractionator Tyres, but they do seem to becoming popular in Australia talking to a few other riders. There are a couple of different tread patterns to fit the Tenere, or an R. Have a read of this.....

http://maschine.com.au/motoz-tractio...e-tyre-review/

I have seen them on eBay through the MX Store.