<http://schema.org/description>
"How do you know what RPM to run if you want more power? Better towing? Better fuel efficiency. Find all the answers in this comprehensive gear ratio and tire size chart."^^<http://www.w3.org/2001/XMLSchema#string>
<http://auto.howstuffworks.com/auto-parts/towing/vehicle-towing/maneuvers/gear-ratio-tire-size-chart.htm>