Adam Levine's fiancee shows off her engagement ring to "Showbiz Tonight." More from CNN at http://www.cnn.com/
9,464 AnsichtenRichard Quest tries out a bike with springs in its wheels - the Loopwheels. The bike goes on sale in the fall for $1800. For more CNN videos, visit our site at http://www.cnn.com/video/
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