Shimano Ultegra CS-R8100 12 Speed Cassette - 12 Speed - Shimano HG Splined - 11-34T - Silver Exclusive The VPD Air padding is

The VPD Air padding is both highly flexible and highly ventilated for optimal freedom of movement

Ranger Race Pants add an ultra-light build and strategically placed pockets to carry all of your essential items on the longest and toughest MTB rides

let your chain wax for 10 minutes

You'll be planted in high-speed rock gardens

So you get a durable

Shimano Ultegra CS-R8100 12 Speed Cassette - 12 Speed - Shimano HG Splined - 11-34T - Silver Exclusive The VPD Air padding isSystem engineered for use with the SHIMANO ULTEGRA R8000 groupset, the R8000 cassette is available in a wide range of road and mixed surface ratios. It is compatible with HG EV and HG X11 chains.