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This bike rear derailleur pulley jockey wheel is constructed of CNC 7075 aluminum alloy, lightweight and durable. It is a wonderful accessory for your bicycle.

Features:
Anodized CNC machined construction.
Ceramic bearings.
Fits for 4/5/6mm roller screw axis and most of rear derailleur on the market, support 7/8/9/10 speed.
Anti Rust/Corrosion Resistant Anodized.

Specification:
Product: Bicycle Rear Derailleur Pulley Jockey Wheel
Brand: Lixada
Material: 7075 aluminum alloy & Ceramic bearings
Color: Red
Size: 11T
Diameter: 41mm
Package Size: 7 * 4 * 1cm / 2.8 * 1.6 * 0.4in
Package Weight: 10g / 0.35oz

Package List:
1 * 11T Wheel