KCNC 16T Derailleur Pulley 7075 Aluminum Alloy Big Pulley Bicycle Pulley Compatible with Shimano Dura Ace 6700/6800/7800/7900/7970/9000/9070 (Black)

Since the item is ordered from a warehouse in Taiwan, it usually takes about 6-10 days for delivery, not including Saturdays and Sundays. Compatibility: Road bike guide pulley set for Ultegra/Dura Ace 6700/6800/7900/7970/9000/9070, etc. Not compatible: 105, R8000 / R9100 Number of pulley teeth: 14T (Upper) sealed bearing /16T (Lower) sealed bearing Material: Aluminum (pulley/cage) Weight: Approx. 67g KCNC Road Bike Derailleur Pulley Wheel Kit for Dura Ace/Ultegra The system consists of Top 14t & Bottom 16t alloy pulley wheels fitted with low friction bearings and a lightweight cage made from 7075 Alloy. The Oversized Pully Wheel SYS system reduces friction in the pulleys by 45 % and for your optimized performance. The system is compatible with Ultegra/Dura Ace 10s and 11s, electronic and mechanical rear derailleur. Top Pully :14T Bottom Pully :16T Matiral: 7075 Alloy Color:Black / Red / Gold available Weight : approx.57 grams For Road Ultegra/Dura Ace 6700/6800/7900/7970/9000/9070 use