Parts used:

The picture below shows the raw material i use to build my BMX parts. I buy bottom bracket, head tube, drop outs and brake posts from a bike building parts supplier and raw chromoly tubes from the internet,

Tooling:

- DC WIG/TIG welding machine by Weldinger. It supports frequency-, spot-, and continuous welding.
- Welding table
- Grinder
- Tube Notcher
- Tube bender (manual and hydraulic)
- Drilling machine
- Self made frame jig, fork jig, handle bars plate
- Files
- Tube grinder (new equipment)
- WIG "Schleifboy" (new equipment)
- Bandsaw (new equipment)
- Grinding attachments for drilling machine and grinder- Iron saws, files, clamps, and a welding table
- Patience and a penchant for accuracy

enjoy the slide show or click the pics to see them in full screen ...

Documentation:

- read this carefully: Best Practices for TIG Welding of 4130

- German Translation: Download 4130_WIG_Schweissen