YC 02 Bike Rear Derailleur Extension Tail Hook Mountain Road Bicycle Hanger Extender

Feature: 1. For rear derailleur extension, suitable for mountain road bike of 40T 42T 46T 50T 56T. 2. Flywheel speed expansion changes more smoothly, cyclist excellent accessory. 3. Provide bright color, to make your mountain bike more personalized. 4. Aluminum alloy material, CNC technology, sturdy and durable, long service life. 5. Available in two colors, to meet different needs and requirements. Specification: Condition: 100percent Brand New Item Type: Rear Derailleur Extension Tail Hook Model: YC 02 Material: Aluminium Alloy Optional Color: Black, Red Usage: Extension Rear Derailleur Using, Suitable for 40T 42T 46T 50T 56T Mountain Flywheel or 32T 36T 42T Road Flywheel, Make Extension Flywheel Shift Smoother Weight: Approx. 20g. Package List: 1 x Rear Derailleur Extension Tail Hook1 x Screw Note: Product price does not include tail hook, needs to be purchased separately.