ZTTO Bicycle Rear Derailleur Hanger Extension Road Bike Frame Gear Tail Hook Extender

• Crafted from high-quality aluminum alloy, ensuring durability and reliability for extended use
• Compatible with 40T, 42T, 46T, and 50T mountain bike cassettes, as well as 32T and 36T road bike cassettes
• Designed to extend the rear derailleur hanger, providing smoother gear transitions and improved performance
• Simple to install, allowing you to effortlessly upgrade your bike for optimized gear shifting capabilities

Specifications:

• Material: Aluminum Alloy
• Compatibility: Suitable for 40T/42T/46T/50T mountain bike cassettes or 32T/36T road bike cassettes

Package included:

• 1 x Bicycle Rear Derailleur Hanger Extension