Panaracer Agilest Duro - TLR 700cAll AGILEST models are created with a golden ratio called The Panaracer Ratio. The Panaracer Ratio successfully combines, the lightest weights in class, lowest rolling resistance, and greatest durability to form this lofty triangle of ultimate performance. AGELEST DULO TLR is based on AGILEST TLR, which adds even great protection for greater security to really test conditions over all types of surfaces with greater confidence. Compared to AGILEST TLR,