MTB Mountain Bike Road Bicycle Rear Derailleur Hanger Extension Extender Adapter Tail Hook Extender

Feature: 1. Made of aluminum alloy, super light and durable. 2. Use for rear derailleur extension. 3. Suitable for 40T 42T 46T 50T mountain bike freewheels, or 32T 36T road bike freewheels. Specification: Features: Made of aluminum alloy, super light and durable. Use for rear derailleur extension. Suitable for 40T 42T 46T 50T mountain bike freewheels, or 32T 36T road bike freewheels. Specifications: Material: Aluminum alloy Color: Black Blue Golden Red Titanium (optional) Package Size: Approx. 15 * 9cm 5.9 * 3.5in Package Weight: Approx. 25g 0.9oz Package List: 1 * Derailleur Hanger Extender Package List: 1 * Derailleur Hanger Extender