Originally Posted by
mvnsnd
It looks like it could be the Powertap SL hub. They are very reliable and if you wanted hub based power, yeah, go for it. I think you can even get the internals updated to the latest G3 internals, but you would have to contact Powertap about that.
thanks! I thought it may be the SL but was not sure. Is the G3 more reliable and or more accurate?