Shimano 105 CS-5700 Cassette 10S 11-25 drumbeat21-173 The LocJaw head will hold

The LocJaw head will hold securely to either Presta or Schrader valves with a simple flip of a lever

Includes four circlips for installation

The 2860 fits the jaws on the PCS-9

Trek BB90 & BB95

'1-by' only drivetrains

Shimano 105 CS-5700 Cassette 10S 11-25 drumbeat21-173 The LocJaw head will holdHigh performance 10 speed 105 Road cassette Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load Close ratio gearing allows a more efficient use of energy through finer cadence control Largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity Sprockets are cut away and drilled to further reduce weight without reducing