Four-way flex fabric stretches both horizontally and vertically — meaning it moves with your body in every direction rather than resisting movement or creating tension when you shift positions on the bike

1" DIA spindle (others use 1/2" bolt or less)

The short is all about maximum function

Some minor fabrication might be needed since this is a universal kit

For shorter trail sessions and casual rides

Universal BTA Adaptor Plate women Four-way flex fabric stretches bothNo returns on Universal BTA Adaptor Plate. Only to be used underneath Arm Cups. Universal BTA Adaptor Plate: Creating options for Between the Arms Bottle Mounts The TriRig Universal BTA Adaptor Plate offers a simple yet versatile solution for optimizing your between the arms (BTA) bottle mount setup. Ideal for any aerobar that doesn't have bolt bosses to mount your bottle, providing an ergonomic and adaptable platform for your front end nutrition and