Cervelo P-Series Ultegra Di2 Bike Brand_Argon 18 The cassette body is compatible

The cassette body is compatible with 9-11 speed SHIMANO/SRAM cassettes

Advanced Rollsys System (ARS)

Lightweight glass fiber–reinforced nylon soles deliver efficient power transfer to the pedals

CS-HG50 Generation Non-Series Number Of Speeds 11 Cassette Or Freewheel Cassette Finish Anodized Weight 411g

Cervelo P-Series Ultegra Di2 Bike Brand_Argon 18 The cassette body is compatibleTake one look at the all new P Series, and youll notice a striking resemblance to our flagship TT bike, the P5. P Series benefits from all the racing, wind tunnel time, and testing required to make the P5 the fastest TT bike in the World Tour, but adds a couple features that make it a perfect companion for a triathlon of any distance. P Series uses a fork with a D shaped steerer tube and round stem interface. This means you can use whichever basebar