A software audit system is provided in conjunction with an anti-virus system. The handlebar disposes a brake lever which is connected to an upper brake cable, and the upper brake cable is interconnected to a lower brake cable using a jointing structure. A plug has a first end which is coupled to the heater body and extends into the heater body through the bottom surface of the heater body, and which is electrically connected with the electrical heating element. Each gear block assembly further includes a plurality of linkage assemblies, which connect or link the gear block to a cam assembly, which in turn is connected to a power source.