- AEST pulley wheel is equipped with a high quality hybrid ceramic cartridge bearing. The advantages of using a ceramic bearing in the rear derailleur's pulleys are the most dramatic of any other bicycle bearing system. This is due to the high speed at which the pulleys spin; Each pulley is machined from light and strong 7075 aluminum and anodized, with laser cut logos.
- Brand: AEST
- Model: YPU09A-07
- Ceramic bearing feature: High Speed
- High rigidity
- Long use-life
- Low heat
- Low heat dilating rate
- Corrosion resistance
- Non-magnetic
- Color: Red
- Material: AL7075 CNC processing, Ceramic bearing
- Functions: Rear Derailleur Pulley, Inner diameter: 5mm
- Best use: Cycling, Mountain biking, Road cycling
- Packing list: 1 x Rear derailleur pulley