• Crafted with a sturdy aluminum alloy body and ceramic bearings, this derailleur pulley ensures durability and smooth operation for both mountain and road biking
• Featuring a CNC-machined hollow structure and an anodized finish, this derailleur pulley is lightweight yet strong, offering optimal performance and longevity
• With a 4/5/6mm screw hole diameter for rear derailleurs and compatibility with 8/9/10/11-speed systems, this pulley is suitable for a wide range of mountain and road bikes

Specifications:

• Material: Aluminum Alloy Body + Ceramic Bearing
• Craftsmanship: CNC Hollow Design, Anodized Finish
• Compatibility: 4/5/6mm Screw Hole Diameter for Rear Derailleurs, Compatible with 8/9/10/11-Speed Systems