New Edge System Flat Tube Flat Tube A and B: these are the lowest volume models in the Tube series. Ideal for coordination and balance movements on slightly overhanging walls. VIEW PRODUCT Big Wheel New Edge System T-Stone Menu Big Wheel New Edge System T-Stone Flat Tube A cm 100x43xh9 and B cm 100x53xh11 Insert for Flat Tube A-B Colors Available Catalogue 2020 climbing holds and special volumes download catalogue