The Extreme X454 basketball hoop is a mid-sized system that’s big in play, The Extreme X454 features a 54″ x 36″ backboard attached to our 4″ straight pole is engineered to provide years of challenging play. With everything that makes it a Goalsetter — like the exclusive hinged ground-anchor system and superior corrosion resistance — the Extreme X454 provides plenty of value in a mid-size package. It turns your driveway into the kids’ favorite neighborhood basketball court. The X454 goal is designed to accommodate players of all heights and ages with easy height adjustment from 6′ 8″ to 10′. Your family will never outgrow this basketball hoop.