13T Ceramic Jockey Wheel – AL7075 CNC Aluminum, MTB/Road Derailleur

Enhance rear derailleur performance with this precision‑engineered 13T jockey wheel.

• High‑strength AL7075 aluminum, CNC‑machined for lightweight durability.
• Super‑lubricated ceramic bearings reduce friction and wear.
• Fits 4 mm, 5 mm, or 6 mm roller screw axes; compatible with 7‑11 speed systems.
• Easy swap – select same or smaller size than original pulley.
• Colorful anodized finish, designed for MTB and road bikes.

Package includes one guide wheel, ready for installation.