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