Description:

Made of anodized CNC aluminum alloy and upgraded bearing, lightweight and durable.
Reduce friction, increase stiffness, enhance durability, for long use.
Used on rear derailleur for chain transportation and speed changing.
Metal sealed bearing, super lubricating, noiseless.
2 replaceable 4mm and 5mm bushing is included.
11T suit for 8/9/10/11 speed rear derailleur.

Specification:

Material: 7075 Aluminum Alloy
Teeth: 11T
Outer Diameter: approx.41mm / 1.61inch
Hole Diameter: 4mm, 5mm and 6mm

Package Includes:

1 Piece 11T Bike Rear Derailleur Pulley
2 Pieces Bushing(4mm and 5mm)