LEBYCLE Mountain Road Bicycle Derailleur Hook Extender Tail Hook Extension, Blue, 501 Original

LEBYCLE Mountain Bike Derailleur Hook Extenders Road Bicycle Frame Tail Hook Alignment Extension Tool Seat Flywheel Converter Cycling AccessoriesFeature: Extended design: greatly enhance the compatibility; easily compatible with mountain 40/42/46/50/56T, etc., road 32/36/42T and other flywheel expansion programs.Specification: Name: LEBYCLE bicycle frame tail hook extenderMaterial: Aluminum AlloyColor: Red/Black/Gold/BlueSize: About 63x23x11.5mm/2.48x0.91x0.45inNet Weight: About 18gFunction: Used to convert the small flywheel into a large flywheel, in order to make the bike faster, such as replacing the 36T flywheel with a 42T flywheelNote: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement.Package Content:1 X Bike Tail Hook Extender1 X Screw