The perfect quick mount rear rack system attaches to road cross hybrid or touring bike seatstays'. '.strtoupper('t')his one size fits all rear rack features an innovative top plate that adjusts to level independent the seatstay angle'. '.strtoupper('i')ntegrated quicktrackreg system allows topeak trunkbags to slide and lock into place and release with a the push of a button'. '.strtoupper('i')nnovative hook and loop strap mounting system cinches down tight to keep the load stable and allow mounting on a wide range of bikes'. '.strtoupper('n')ote tetrarack is not recommended for carbon forks and seat staystetrarack series racks are not compatible with front or rear mounted v brake type systems'. '.strtoupper('s')trut slot adjustments allow the rack top plate to be level independent of the seatstay angle adjustable straps with padded feet securely attach rack to seat stays compatible with topeak quicktrackreg system bags clamp for rear reflector tetrarack has a mounting length of 200mm'. '.strtoupper('s')eatstays and front forks must not contain any obstacles that prevent mounting tetrarack securely'. '.strtoupper('s')eatstay diameter must be larger than 15mm'. '.strtoupper('i')t is not recommended to mount tetrarack r2 on carbon frames'. '.strtoupper('c')ompatible with seatstays width within 75 105mm'. '.strtoupper('e')nsure not to exceed max weight capacity'. '.strtoupper('9')kg 20lb attachments seatstays with hook and loop straps adjustment strut slots material aluminum engineering grade polymer nylon straps compatibility topeak mtx rx trunkbags max load 9 kg 20 lb added feature clamp for rear reflector tail light mount size 39.5 x 30 x 12 cm 15.6rdquo x 11.8rdquo x 4.7rdquo weight 870 g 1.92 lb