No returns on Universal BTA Adapter Plate. Only to be used underneath Arm Cups. 150mm Width This fits simply under your elbow pads. Universal BTA Adapter Plate: Creating Options for Between-the-Arms Bottle Mounts.The EZ Universal BTA Adapter Plate gives you a versatile, practical way to mount a between-the-arms (BTA) bottle where your aerobars don’t already have bolt holes to attach a BTA to. It creates an ergonomic and adaptable platform for front-end hydration and nutrition. With standard bottle cage spacing, the Adapter Plate integrates seamlessly with most cages. Base mounting bolts line up perfectly with bottle cage holes, making installation simple and stress-free. Milled from a 6mm billet of T6-6061 alloy and finished with a hard-anodized coating, the Universal BTA Adapter Plate is built tough for long-lasting performance, ride after ride. Stop the mass of vibrations coming from Carbon Universal Plates and hold your nutrition safe and strong.