Just wonder how they fine they has been made. large amount of aluminum. strong wheels etc to ride at up to 130kg rider.
just upgraded to new DD wheel 350W (800W in peak). new battery li-ion 67V 400wh. IT ride at 38 km/h and it still weight 19.9kg.
can't understand large weight of modern...
Hello I've spent about year to research how Stromer ST of first generations (36V battery) can be upgraded.
I have received here in Russia some frames from USA friend partialy disassembled.
Here main futures
-The initial config is heavy and slow. Internal controller in motor hub integrated...
