DELTA LEI glasses draw inspiration from 1980s and 1990s styles. The frame is made of TR90 -a material composed of nylon and carbon fiber- which is biocompatible and hypoallergenic, even with prolonged use.
The outstanding shift quality of the DURA-ACE R9200 12-speed cassette lineup lets you climb, sprint, and push your limits without breaking focus to think about your next gear change.