Sunday BMX bike frame innovations are tested in their best aftermarket models before they’re applied to their complete bikes. Featuring function-driven design details to provide riders with ultra high-quality frames that are durable, easy to set-up and adaptable to every style of riding. Features 41 Thermal Processed: Lightweight, strong and backed by the now legendary 41-Thermal lifetime guarantee. Black Magic Coating: Rustproofed inside and out with the best anti-corrosion processing that’s offered today. Post Weld Machining: The integrated head tube and bottom bracket is machined to its absolute minimum without sacrificing strength and durability. This happens after welding for a precision bearing fit. Director-style Wishbones: Lighter and significantly stronger than previous designs. Sunday strive to make each bike the best it can possibly be for your money. That means more than just spec’ing the bikes with your run of the mill entry level parts. Sunday BMX Bikes - Choose Well...!