- New York
That aluminum idea worked like a charm! It was so snug that it was very hard to slide the motor in. Once the threads showed thru I put the nut on and then used the wrench to pull it through.Did they supply washers with two extra-long hex cap 4mm head screws? It would be in a little plastic bag loosely tied closed. You may need to stack two or three lock washers along with the provided spacer. Try this with the one thinner BB washer. Use thread lock on everything, shim the part that goes through the BB with very thin aluminum so that there is no wiggle when you pedal. It is okay that it sticks out more than 11mm on the non-drive side. The problem is if the motor's housing by the chainring touches the bike's frame on the drive side.