Its the soul of the new 11S Record transmission! Carbon fibre outer plate & cage plate then the upper & lower aluminium bodies are black giving this shifting system preferred by pros a more aggressive look. Key
Features: Ultra-Shift exclusive geometry parallelogram for maximum derailleur stiffness fast shifting precision reduction of possible play. Ultra-Shift aluminium lower & upper body means less weight less friction shifting precision. Ceramic ball bearings in the bottom pulley wheel offer friction reduction maximum smoothness maximum durability. Lightened special rubber pulleys. Compatible with Campagnolo 11 speed groupsets. Capacity: 11/23 to 12/29. Weight: 174g (PBK Office Scales).