The are going to race some enduro races in europe, I bet they will put more agressive knobs but I think they will mantain the 19" front just for marketing
Probably they never reached the 110kg promised, in fact I read some article saying the bikes tested in june were about 115kg but they were expecting to reach the 110kg promised in the production Varg.
Finally it has been the opposite due to battery increase and probably beacause they could't...
Have you in tried mitas terraforce double green stripe? It's a hard enduro extra gummy tyre, super soft compound and sidewalls, in fact in full size dirt bikes they are only used with mousses to prevent punctures and rim damages