Dk octane expert bmx bikedk bicycles was borne from a demand for better stems werent great in the 1970s so charlie danishek made one for his son because he kept breaking them that was the start of dk bicycles the company has evolved since then but a demand to produce the best is their lifeblood packed with quality this octane expert bmx bikes features a lightweight 6061 alloy frame with integrated headset and 3d dropouts dks rtv2 taper and butted crmo forks work with the frame to produ