M1's or Diablos - can't go wrong. And HPX's are sweet too but take longer to warm up. I would bet the new Pilot Powers will be sweet also.
If you have a stock BT56 on the rear now and don't want to switch brands go with BT010's or wait to get BT014's (new tire, not available just yet).
If you have a stock BT56 on the rear now and don't want to switch brands go with BT010's or wait to get BT014's (new tire, not available just yet).