$205 value. My loss your gain. 1.85 - 2.15 18" Rear 1.60 21" Front Features: It’s about traction, lower PSI increases the control patch It’s about speed, more traction and control means more confidence to go faster It’s about ease, change tires faster with less hassle It’s about the feel, get a more settled “planted” feel with lessspring effect no more ping ponging off the ruff stuff It’s about protection, the full circumference rim lock stiffens your tires so they absorb impacts.. NOT your rims It’s about weight, Tubliss weighs pounds less than heavy duty pinch prone tubes It’s about fewer flats, no tube means no more pinch flats New tires are recommended for best results