Woland99 wrote:
This is interesting idea - I did not know they were making
PowerTap unit without power sensor. It is called "Cervo" on
the website and has list price $369:
http://www.saris.com/p-286-cervo-24-pro.aspx

Might as well get an iBike... then you can have power data as well as
a host of other interesting info. It will cost ~$550 for the wireless
model.