"When you develop things for a 3-year old, you've got to be drop-dead simple and really smooth to use, " Bauer said.

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But we were really together, and our presentation was really smooth.

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"It went really well and really smooth, " he said.

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He was also a smooth mover which he never really got credit for.

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If you really want to get the most from your bike a smooth, reliable gear change is a must.

BBC: Sport