CS-R8101 Ultegra 12 Speed Socks low weight and an attractive

low weight and an attractive design

while the lenses offer anti fog and UV protection to keep developing eyes safe

customize with your preffered choice of rubbers

High VisibilityMultiple reflective accents help keep dogs visible in low-lighting conditions

CS-R8101 Ultegra 12 Speed Socks low weight and an attractiveThe uninterrupted shifting experience of the ULTEGRA R8100 12 speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12 speed FREEHUB bodies. HYPERGLIDE+ cassettes revolutionized off road shifting with its seamless shifts both up and down the gear range. Now it's time for the technology to change