-Replaces g-one speed the only exception is the g-one speed pro in 60-622 -closes the gap between racing bikes and gravel -new race pro construction: increased puncture protection and lower rolling resistance -wider v-guard puncture protection -made with fairly traded natural rubber and recycled carbon black rcb from schwalbe's own tire recycling
-Replaces g-one speed the only exception is the g-one speed pro in 60-622 -closes the gap between racing bikes and gravel -new race pro construction: