I have a Fat Tire E-Bike running 26 x 4.0" tubed street tires @ 22psi & 24psi Front & Rear. Also, in 3yrs and 15,000miles, I've only got one slow leak up front. All my flats happen on the Rear Tire. This RipCurrent S weighs in @ 75lbs. Add my pannier, two other accessory bags, a pump, lights...