The Topeak Tetrarack is the perfect quick-mount rear rack system for full suspension mountain bikes or even hardtail mountain bikes without integrated rack eyelets. This rear rack features an innovative top plate that is independently adjustable from the seatstay angle so that riders can level it out across different bikes. The integrated QuickTrack(R) system allows compatible Topeak Trunk Bags to slide and lock into place and release with the push of a button. A hook and loop mounting system cinches down tightly to keep the load stable and allow mounting on a wide range of bikes. Features: Quick mount rack systems for bikes without integrated rack eyelets Optimized for Topeak's integrated Quicktrack system but fits other branded bags as well Attaches using an innovative hook and loop strap system that is compatible across a wide range of bikes Slotted struts allow the top plate to slide back and forth to achieve a level platform across multiple bikes Adjustable rear clamp designed for a reflector Specifications: Platform Dimensions: 16" x 4.75" Material: Aluminum Mount: Seatstays (Hook & Loop) Max Load: 12kg (26lbs) Weight: 1057g