Feature:

• STURDY AND DURABLE:Made of quality aluminium alloy material, wear resistant, sturdy and durable. Flexible rotation, better compatibility.
• FASTER SPEED:Ceramic material reduce resistance and improve cycle efficiency. Positive and negative tooth guide wheel, no strange sound, faster speed.
• LIGHTWEIGHT AND PRACTICAL:Fine workmanship, high precision, can better adapt to other components.Lightweight and practical, no additional burden on bicycles.It also can reduce drag force which can improve cycling efficiency.
• SUIT FOR:It run on smooth ball bearings, and its a necessary accessory for your bicycle. Options: 10T, 12T, 14T, 16T.
• ULTRALIGHT INNER BEARING: Inner ceramic bearing is ultralight and owns high degree of lubrication, which can ensures its smooth working.4 different type for you to choose, meet your different needs.

Specification: Item type: Rear Derailleur Pulley

Condition: 100% brand new

Material: aluminium alloy

Color: As picture shown

Options: 10T, 12T, 14T, 16T

10T size: Approx. 4.2x4.2cm/1.7x1.7in

12T size: Approx. 5x5cm/2x2in

14T size: Approx. 5.7x5.7cm/2.2x2.2in

16T size: Approx. 6.6x6.6cm/2.6x2.6in

Package List:

1 x Derailleur Pulley

1 x Diameter sleeve

1 x Screw