Shimano - CS-R8101 Ultegra 12 Speed Cassette import_2021_12_08_175012 Reduces friction and frees seized

Reduces friction and frees seized parts

The cycling jersey that started it all continues to evolve pushing us towards a greener future one pedal stroke at a time

is already a modern classic

Valve remover tool

Designed to repel dirt

Shimano - CS-R8101 Ultegra 12 Speed Cassette import_2021_12_08_175012 Reduces friction and frees seizedSHIMANO ULTEGRA 12 speed HYPERGLIDE+ Road Cassette Sprocket The uninterrupted shifting experience of the ULTEGRA R8101 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.