for time trials and track records. once you get the inertia going it helps keep the rolling speed.
Mavic made a disc wheel with interchangeable weights so you could vary the inertia created.
http://www.flickr.com/photos/steel-is-real/2894278664/
they also made one that wasn't variable.
@AndyV started
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for time trials and track records. once you get the inertia going it helps keep the rolling speed.
Mavic made a disc wheel with interchangeable weights so you could vary the inertia created.
http://www.flickr.com/photos/steel-is-real/2894278664/
they also made one that wasn't variable.