Aluminum, once the industry standard, got a big challenge when titanium wheelchairs entered the market in the mid ’90s — and justifiably so. Titanium chairs soon became synonymous with “ultralight” and pushed the envelope of what is possible. But chairs made out of the aerospace metal also came with higher price tags. In time titanium chairs pushed manufacturers and engineers to advance aluminum chairs to the point where their weight is now on par with titanium. With weight no longer an issue, what are the advantages of titanium, and do they justify a higher price tag?