Fouriers oversize derailleur cage with 12T upper and 16T lower pulley.
Carbon big cage plate and alloy small cage to reduce weight,
Pulley are full CNC made from aluminum 7075-t651 with full ceramic bearings. Oversize pulleys decrease drivetrain friction for high performance.
Compatible with SHIMANO® RD 9000 / 9070 / 6800 / 6870.
Colour: Carbon Cage with Black wheels