18T Carbon Fiber Rear Derailleurs Guide Bike Ceramic Bearing Jockey Pulley Wheel Set Bicycle Parts Replacement for Shimano R8000/8050/8070/9150/9170/9100 NO5138

Full carbon fiber frame with ceramic bearings, safe, stable, high intensity and ultra-light, makes gear changes even faster and quicker. Have a more relaxing cycling experience.

Feature:

Full carbon fiber frame, ceramic bearings and aluminium alloy guide wheel.

Reduces the friction coefficient of chain and makes it more stable.

Ceramic bearings make it smoother and faster.

Durable and super light (79 g / 2.8 oz).

Replacement for Shimano R8000 / 8050/8070/9150/9170/9100.

Specifications:

Material: Carbon fiber & Aluminum alloy.

Color: Colorful.

Product Size: 12T + 18T*75L

Unit Weight: 79 g / 2.8 oz

Packing Size: 18.2 * 10.2 * 4.6 cm / 7.2 * 4.0 * 1.8 in

Packing Weight: 111 g / 3.9 oz

Package List: 

1 * Rear Derailleur Pulley

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