What's Wrong With This Picture?

64physhy said

What kind of bike is it? I've been trying to figure out the squarish cast looking frame, and is that a drum brake?

Click to expand...

'77 KZ1000 with a rear disc. What you see is the hub that houses a rubber damper array. Here's a pic of the hub after cleaning it up and repacking the bearings. You can see the disc and caliper on the other side.