In somewhat of a departure from their normal fare of heavy metal mods, [Make It Extreme] is working on a battery pack for an e-bike that ... cut acrylic frames. Rather than spot weld the ...

Bike frames are simple on the surface, but can quickly become complicated if you want to fabricate one yourself. Brazing and welding tend to be less common skills than knowing how to bolt things ...

Once cleaned they're bent into shape and joined together to form the frame. Each bike is hand-brazed, this is a similar process to welding but uses lower temperatures and doesn't melt the metal ...

Now the workers weld and paint frames too. The factory can turn out up to 2,000 bicycles a day if the demand is there, he adds. Danielle Keeton-Olsen A worker moves a crate of newly-welded bicycle ...