you can also cut a thread on the side where it broke and put a washer on it. at least temporarily until you solve the axle. or have made from an old 12mm thruaxle.
hi. I think there are 4 pins, 2 for charging and 2 for the range extender, because the range extender goes through the splitter.
and the seatstay bridge is the connection between the seatstay bars. it additionally stabilizes the rear end. the first model cef69 does not have a bridge, the new...