is compatible with Shimano Ultegra r8000 r8050 / Dura Ace r9100 r9150 11s rear derailleur.
– KCNC Road Bicycle Bike Oversized Pulley Wheel Cage
– KCNC Wheel Bearings reduce friction, which gives you a lower rolling resistance.
– Upgrading your wheel bearings to oversized pulley will maximize the return you get from your energy.
– KCNC oversized pulley cage reduce friction and increases resistance to contamination and corrosion.
– Coated bearings prolong the lifetime even further.
– The system consists of Top 12t & Bottom 16t alloy pulley wheels fitted with low friction bearings and a lightweight cage made from 7075 Alloy.
– The Oversized Pully Wheel System reduces friction in the pulleys by 45 % and for your optimised performance.
– Top Pulley :12T sealed bearing
– Bottom Pulley :16T sealed bearing
– Cage Material : 7075 Alloy
– Weight : approx. 64g
– Pulley color: Black(as pic. shown)
Content: 1 pc / pack (without retail box)