The brand name of a company manufacturing all-weather protective riding suits. They are designed to be worn over clothing while commuting or traveling by motorcycle. Read More »
Agent Fee
The fee taken by the agents that collect registration fees in some states. Enables the consumer to avoid the hassle of going to a government office in person. Read More »
Air Dam
Located below the front nose, this piece of Kevlar material is structured for aerodynamics. If the air is going over the car instead of through the car, it is going to go faster. The amount of frontal downforce on a car can be increased if the car is sitting lower to the ground, which will decrease the amount of airflow ... Read More »
Air Filtration System
System that cleans smog, pollen, exhaust, smoke and odors out of the air. Cleans both interior circulated air and that coming from the outside. Read More »
Aprilia
A well-regarded Italian motorcycle manufacturer, known for 250 GP race bikes that are tiny and lightweight. Read More »
Apron
The paved area directly below the racing surface that separates the track from the infield. Read More »
Autocross
A timed competition of low-to-medium speed driving, with one driver at a time navigating a small course defined by traffic cones. Drivers compete against one another for the fastest timed lap (sometimes multiple laps) through the course. Read More »
Autostick
A form of semi-automatic transmission. It combines an automatic transmission with the gear-shifting feature of a manual transmission without the use of a foot-operated clutch. In the normal automatic transmission drive mode, the transmission behaves like any other automatic. The manual-shifting feature allows more control over the full range of rpms an engine offers. Porsche and Audi offer a related ... Read More »
Automatic Transmission
A transmission where the gears are shifted automatically by the vehicle and controlled by a torque converter. The torque converter replaces the clutch. It connects and disconnects the engine from the drive wheels while selecting the proper gears for the speed of the car. These transmssions come in 3, 4 and 5 speeds. The more gears involved, the smoother the ... Read More »
All Wheel Drive
A variation of Four-Wheel Drive (4WD) designed to improve on-road traction in unfavorable road conditions or for ultra high performance driving. All-Wheel Drive (AWD) reduces wheel slippage and provides greater driver control over the vehicle. AWD usually does not require the driver to actively engage the system and does not have a low range. AWD automatically splits engine torque between ... Read More »
