Cs-r8100 Ultegra Cassette Size:Icsr810012134 MIPS (Multi-directional Impact Protection System)

MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientists to help reduce rotational forces on the brain caused by angled impacts to the head

overlanding trailers and other custom applications to give you increased load capacity (Weight ratings will vary based on application)

New Cuff + Ski Walk: A new Pebax® cuff offers progressive flex and is paired with our tried and true Speedlock MLT system to provide an incredible 62 degree range-of-motion

New fallen snow +1C to 0C (34F to 32F)

plus top and side handles help you easily transfer into a duffel carry up stairways and over train platforms

Cs-r8100 Ultegra Cassette Size:Icsr810012134 MIPS (Multi-directional Impact Protection System)*** For Di2 Shifting Systems Only ***12 Speed