Got my Tmaxx tires yesterday, WOW I lost 1.5 lbs. my stock tires ranged from 420grams to 500 grams each, all the Tmaxx tires were 300g each. I also switched out my battery pack from the stock 4cell to a 5cell 1600mah sub AAA cell pack so lost about 60+ grams their also.
I am sure It will be much quicker but the tires are a tad shorter so I might loose some top end althought I know the Tmaxx tires will expand with speed so not sure their??
but loosing 1.5 lbs it has got to help, but for now we have too much snow so will have to wait to test.