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Make sure any replacement fasteners are the correct size and type. • If your frame is aluminum, inspect the bicycle frame carefully and frequently. Aluminum frames can develop very small cracks due to stress, severe shocks, etc. If you see any small cracks, stop riding the bicycle. Have the frame inspected by a qualified professional at a bicycle service shop before riding the bicycle again. • Even though your frame may be aluminum, we recommend that you do not leave your bicycle outdoors for a