The Jiggernaut – essential tool for building bike frames

The Jiggernaut is an affordable bicycle frame jig that enables anyone to build a high-quality, custom bicycle. A frame jig is an essential tool for building bike frames.

There are some jigs on the market today, but most are designed with the production builder in mind and are well beyond the budget of the average person that just wants get started in bicycle building.

“We didn’t want this hurdle to stand in the way any longer. We have designed and built a high-quality frame jig that is affordable to anyone wanting to try their hand at frame building. ”

The Jiggernaut begins life as a half sheet of ¾” thick MDF and is CNC routed into an easily assembled, lightweight jig that can be packed flat for shipping.  Once unpacked, the jig is transformed into a 3D structure using the included fasteners.The jig is highly adjustable and can accommodate most types of frame geometries and tube sizes.

To make building a frame even easier they offer kits that include not only The Jiggernaut, but a tube set and accessories to build a beautiful lugged bicycle with track dropouts or a mountain bike.

The best part is, when building your own bike the possibilities for customization are endless.  Want decorative lugs?  Carve them up to your heart’s content.  Thirsty?  Solder on as many water bottle bosses as you want. Looking for the perfect fit?  Now you can have it.

The default option is for a 26 inch wheelset. If you want a 29er option, please contact and they will accommodate your request.

  • Accomodates 68mm – 73mm BB widths in 1mm increments
  • Accomodates the following tubing diameters: 25.4mm, 28.6mm and 31.8mm
  • A separate add-on kit can be purchased to accomodate larger tubing, or even tubing with non-circular cross sections

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  • a Jiggernaut
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