The Honda Rebel 450 was not a specific model offered by Honda. The Rebel series from Honda typically includes the Rebel 250 and Rebel 500. However, if you are referring to a custom build or a variant of the Rebel series, it's challenging to provide an exact weight without specific details.
For reference, the weight of the Honda Rebel 250 is approximately 152 kg (335 lbs), while the Honda Rebel 500 weighs around 190 kg (420 lbs). These weights are based on the manufacturer's specifications and may vary slightly depending on additional accessories or modifications.
If you have a custom or modified version of the Rebel series, the weight can vary significantly depending on the changes made. In such cases, it's best to refer to the specific build or consult the builder for the accurate weight of the motorcycle.