16T Bicycle Bike Ceramic Bearing Jockey Pulley Wheel Set Carbon Fiber Rear Derailleurs Guide Bicycle Parts for Shimano 5800/5700/4600/4700/105

This carbon fiber bike rear derailleur will save your bike chain friction resistance.

Features:
Full carbon fiber frame.
7075 aluminum alloy guide wheel.
Ceramic bearings make it smooth.
Durable and super light (78g / 2.7oz).
Suitable for Shimano 5800/5700/4600/4700/105/Tiagra guide wheel group.


Specifications:
Material: Carbon fiber & Aluminum alloy
Color: Black / Black & Red (optional)
Size: 16T+16T*79L
Applicable: For Shimano 5800/5700/4600/4700/105/Tiagra guide wheel group
Weight: Approx. 78g / 2.7oz
Package Size: 18.9 * 9.5 * 6.8cm / 7.4 * 3.7 * 2.7oz
Package Weight: 134g / 4.7oz

Package List:
1 * Rear Derailleur Pulley