The 1980s Diamondback BMX frame with a Pro Neck Sprocket is a rare and sought-after part for vintage BMX enthusiasts. This set includes a sturdy frame and fork, designed for 20-inch wheels. The Diamondback brand is known for producing high-quality frames, making this one a valuable addition to any BMX bike collection. With its retro design and durable construction, this frame is perfect for restoring or customizing a classic BMX bike from the 1980s.