Kalnz

For me better is to order in web, so thats why I am asking for part number or maybe even link where to order

Can you please share link where you buy 19x12x3mm seal or part number?

Maybe someone looking for new DC motor controller 48v, XK-028-04 for TRS (Trrs) Fits for TRS20 electrical bike, but maybe fits also on TRS16 etc. Purchase can be done by ebay - https://www.ebay.co.uk/itm/186084925822