Teravail Rutland TyreDetails GRAVELDesigned with the unknown in mind, the Rutland takes the guess work out of selecting the right tire for the ride. Ramped, tightly spaced center lugs reduce rolling resistance while larger, more spaced out shoulder and transition lugs provide grip in loose conditions. HOW IT WORKS Center lugs are large and widely spaced for braking and acceleration grip, and ramped to lower rolling resistance. Transition lugs are spaced out to shed mud;