Do you want a durable, efficient bicycle at a great price? bicycle components warehouse has the Shimano Bike Components 105 Fh-5501 Rear Hub Bicycle Ceramic Balls for you! These balls come with a durable hardshell case, eager to protect your investment. These balls feature a high quality ceramic material which is also resistant to wear and tear. This durable ball is perfect for those who want to ride comfortably and efficiently.