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  1. Wehrmachtsgespann on

    You need to remove the bb Cup. It is a Standard tool you need anyways If you wanna build up the frame.

  2. wait, if the other crank arm is not installed, what’s even holding it on? 
    Maybe the axle is seized inside of the bb.
    Could you post a picture of the other side of the frame? 

  3. Looks like its held in by the bb. Make sure you spin the right way when you do this.   put the tool into a vice. Set the  frame on the tool and push on the end of the frame. And push the bb down or use a qr and some washers to clamp it.  If that doesn’t work your screwed

  4. Weird somone installed a crank spider at the bottom bracket.
    You need a bottom bracket tool.
    You turn clockwise to loosen it. Should be easy, if not use a hammer on the breaker bar or pedal wrench. Pedro’s has one that attaches to their pedal wrench.
    I have both. If you have a impact driver use that.

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