Looks like a variation on the Shimano DynaDrive design, which was actually predated by Hi-E. Maybe someone else has the Shimano brochures stating the claimed benefits.
Regards,
Jerry Moos Big Spring, TX
Sean Flores <seaneee175@gmail.com> wrote: Hey all. Came across a couple of auctions for these pedals. Never heard of them before. Can someone fill me in on the logic of the design?
http://ebay.com/
Thanks.
Sean Flores
San Francisco, CA