Shimano Ultegra CS-R8000 Cassette-11-30/11SPD Cassette Arm Warmer 2

Arm Warmer 2

54T- 181g

The Zero2 stem is a perfect balance between engineering and design

we tweaked the arm design and strategically machined the chainrings so that only minimal sacrifices were made in impact strength in exchange for large gains in weight reduction

Shimano Ultegra CS-R8000 Cassette-11-30/11SPD Cassette Arm Warmer 2The new Ultegra R8000 series takes Shimanos rider tuned philosophy to the next level. This 11 speed cassette ensures accurate and quick shifts, even with the most demanding of gear changes. Hyperglide EV sprockets have been designed to ensure smooth shifting and reduce wear while minimizing the overall weight of the cassette. Designed for use with HG EV 11 speed or HG X11 chains. Offered in 11 28, 11 30 and 11 32 gradations. Features High performance