Ratio merges executive sophistication with the innovation of StrideAlign™ technology. Every aspect of the travel experience is improved with the dynamics of StrideAlign™ technology. StrideAlign™ dynamics of StrideAlign™ technology. StrideAlign™ technology’s unique, gravity-hugging profile and wide wheel base assist a Glider™ case in remaining stable on all surfaces and terrains. The wider, twelve position, StrideAlign™ technology contoured handle, tailors to the traveler’s physiology and allows multiple points of comfort and interaction.