2L frame bag with wide Velcro top tube strap and adjustable downtube straps for improved stability over rough terrainEasy access to main compartment with waterproof zipper opening on the drive side, with a zippered mesh pocket on the non-drive side for small item storageFits up to 160mm top tube and 220mm down tube diameterDurable PU coated splash resistant 600 denier nylonVelcro Straps14.75x1.6x6.1`122 c.i.BlackMedium (101-200 c.i.)