A top-quality carbon saddle with a supportive carbon, Kevlar and thermoplastic composite shell; alloy Kium rails; and Wing Flex technology for flexibility where your thighs meet the saddle.
A cycling tape made by bondcush, a mid-padding polymer foam that aids the absorption of road buzz. The classic touch is a durable perforated leather-like texture, 3mm thick.
These pulleys are compatible with:
5700-series 105
7000-series 105
6800-series Ultegra
R8000-series Ultegra (mechanical and Di2)
R9000-series Dura Ace (mechanical and Di2)
R9100-series Dura Ace (mechanical and Di2)
...and many more.