It's for the melee weapon schematic.
All I know is when you are with your dad and you are going from the vault you find him at, to Rivet City, you pass through a area with a shitload of motorcycle parts laying around.I cannot find it. But I have already beaten the game and I just loaded up while following a giant robot and I just went somewhere else, so chances are, for me, it is probably destroyed.
This Site Might Help You. RE: Where do you find the motorcycle hand brake in fallout 3? It's for the melee weapon schematic.
it's in the back of the super duper mart you should find it trust me it's there
