ITEM NAME:1pc Bicycle Extend Tail Hook Mountain Freewheel Rear Dialing Converter Extended Features: extended rear dialing dedicated, suitable for mountain flywheel or highway flywheel, to expand t he flywheel speed change more smoothly Type： bicycle extend tail hook.Features: extended rear dialing dedicated, suitable for mountain flywheel or highway flywheel, to expand the flywheel speed change more smoothly. Type： bicycle extend tail hook. Color: sky blue.
