Solar to power the battery of e-tap
Solar to power battery of e tap system
5
votes
jeffreyafeitler@gmail.com
shared this idea
-
dan@unetworks.com commented
Battery is lighter and weight weenies buy the good stuff. :)
-
and.schenk@gmail.com commented
... and make some more cassettes with different ranges when your at it, like 12speed 10-46. Not everybody needs the granny gear ;-)