for Steampunk motorcycles, style is everything. Every aspect of design is looked at and modified from the frame, to the motorcycle wheels to the handlebars. This is what you get when two sub cultures collide? You get some of the wildest motorcycles ever created. Steampunk is a life style. Riding motorcycles is a life style. So when these two lifestyles come together you will see some amazing motorcycles that will blow your mind.
There is no limit to the imagination of a steampunk motorcycle. That includes no limits for designing and riding a steampunk motorcycles. There is a few loosely based rules for the design. One is that whatever they decide to build it should be Victorian in design. It has to look like it could have been invented in a alternate universe. A universe where steam is the power for all motorcycles. Steam that also powers anything else that would need to be powered. Steampunk is very much a science fiction kind of motorcycle designs.
The picture above is a steampunk motorcycle model made from junked watches. You will see lots of parts reused or re-purposed on steampunk motorcycles. The culture is very much into reusing items. Steampunk is about bringing the past to the present and putting a alternate spin on motorcycle design.