The fourth time’s the charm? I am now on my fourth swingarm for Bultakenstein, and I think we finally have a winner. Looking for a path forward on the Bultaco, I considered: … Swingarm #4Read more
Bultakenstein 2.0
After 30 years of dreaming and nearly 15 years of messing with it, I started over in my quest to built the ultimate Bultaco roadster.
Chassis reassembly, and another roadblock
After almost a month of retirement, I was finally able to get back to my project bikes after about a four-month hiatus. I decided to get Bultakenstein’s new Shinko tires mounted. The … Chassis reassembly, and another roadblockRead more
Rear wheel spacers
I made up spacers to center the rear wheel in the new SRX-6 swingarm. I checked and re-checked my measurements, and it’s still off by perhaps 1–1.5 mm. That’s a functionally insignificant … Rear wheel spacersRead more
Refinishing wheels
The horrible corrosion on the newer 18″ GS450S rear wheel prompted me to get both wheels sandblasted. Technically, they were blasted with coal slag media, but in reality there’s little effective difference. … Refinishing wheelsRead more
New frame measurements
I didn’t expect to have the Bultaco frame back in the jig, but I need to ensure the wheel is properly positioned on the center line of the bike in order to … New frame measurementsRead more
Swingarm & Rear Wheel
Jumping into my clean-slate revision of this project, the first thing I needed to find was an appropriate swingarm for my Bultaco frame. I needed a twin-shock design with a larger pivot … Swingarm & Rear WheelRead more
Launching Bultakenstein 2.0
So, it’s back to the drawing board. With all my other projects relegated to the storage unit, I was able to get Bultakenstein back to center stage and start tearing it apart. … Launching Bultakenstein 2.0Read more