Kent Dual Drive Tandem Comfort Bike High-quality tandem bike with a durable cruiser-style frame21-speed Shimano Tourney drive train and Revo twist shiftersEasy-to-access stand-over heights (29 inches front and 20 inches rear)Extra-wide 2.1-inch tires; reliable alloy linear pull V brakesPair of spring gel saddles and dual water bottle holders The Kent Dual Drive 21 Speed Tandem Bicycle offers high quality construction at a reasonable price. This durable tandem bike is comfortable and stylish, with a pair of soft gel saddles and extra-wide, bump-gobbling 2.1-inch tires. The components, meanwhile, are built for long-lasting use, including the 21-speed Shimano drive train, Revo twist shifters, and reliable alloy linear pull V brakes. Best of all, the frame features low stand-over heights (29 inches in the front