TRIPEAK JETSTREAM 12-16T DERAILLEUR ALLOY CAGE

Model No

EMA-JW1216-SHBKAL91xx

Alloy Derailleur Cage kit system with pulley wheel Upper：12T/Lower：16T (DuraAce 91xx series compatible)

TPiPEAK ceramic bearing – Race proven performance

Molded composite material – For superior durability than metal ones

Directional tension pulley – Reduce frictional power loss for quiet and smooth shifting performance