Schwalbe Advancer Hybrid 29x2.1 Standard TireHybrid all terrain tire with a continuous center line paired with open shoulders for low rolling resistance with dependable off road traction. Round overall profile is predictable and tracks well while also offering impressive cornering traction. Sustainable green compound is made from renewable rubber trees and recycled rubber materials. Reflective striping adds additional visibilty when riding at night for improved safety. PGRD Puncture Guard