Day 18 – Disassembling the bike and designing the lugs
The dummy bike has landed! Finally, the dummy bike is here. I jumped right into disassembly, and everything went smoothly… until I hit the bottom bracket. Turns out, I’ll need some special tools for that job. So: I ordered a bottom bracket removal tool, a crank puller, and—just in case the old bottom bracket refuses to budge—a dirt-cheap Shimano BB-UN300 crankshaft as backup. The headset bearings were press-fit, so I knocked them out. Hopefully, I didn’t ruin them, but the good news is: I can now measure them easily and maybe even reuse them on the new build. ...