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High Quality Material: Made of aluminum alloy, durable to use.
Portable: Light weight, stylish appearance, dazzling shape.
Features: The shaft is strong and compatible, easy to modify single speed crankset, dual crankset, triple crankset.
Wide Application: Fit for Mountain Bike, Road Bike crank set etc.Bike Crankset manufacturers
website:http://www.lj-bicycle.com/bicy....cle-accessories/bike