These frames are the original and the best, show winning, magazine featured and unbeatable value for money.

Often copied, never beaten on looks, price, value for money or quality! There is a reason the Wormburner is still at the top of the pile in the Japanese motor chop scene after 12 years, it's simply the best you can get and at a price you just cant argue with.

Our black GSXR1100 wormburner was featured in Back Street Heroes magazine built using this frame and other HUC parts. A top mag worthy frame at a bargain price? We must be mad!

It was originally designed to accept GSXR1100 and 750 engines running gear from all oil cooled models from 1985-1993 (front end, rear wheel and engine) although it has now evolved to a universal chop frame to take most Japanese or British power units and running gear.

Our very own laser cut engine mount kit is included in the price, which we can fit for you for £175, just ad this option onto your order alongside our own bearing cups for the machined headstock. Bearings can be supplied at an extra charge so you can literally bolt the complete front end straight on.

The rear wheel will fit straight in, we can supply rear wheel spindle and spacers for extra if required.

The bottom rear mounts will come pre- tacked in the right place leaving you the job of bolting all the mounts to your engine and just welding them on!


Right lets give you some info on the frame


  • CNC machined headstock,
  • 15mm thick laser cut axle mounts
  • Iron cross
  • Bullet hole base plate
  • Seamless 1+1/4 inch 12g tube throughout
  • 1+1/2 Inch 12g seamless backbone
  • 30 Degree rake
  • Laser cut engine mounts included with all nuts and bolts
  • Jig built in HUC's fully equipped workshop
  • Removable bearing cups now give endless options for front end choice.


Basically this is a perfect starting point for anyone wanting to build their own bike.

The frames were designed with ease of assembly for the builder in mind. We use in house cad design and laser cut our components so you get a perfect fit every time and a top quality product.

Wormburners have been shown at motorcycle shows all over the the World and won top trophy's at many rallies and events for the last 12 years so these have forged a great name for themselves.

We have basic frames in stock so can post to you anywhere in the world by tracked courier within 24 hours of your order being received.

Powder coating service also available at an extra cost.


Thanks for looking.


Hard up Choppers Hardtail Wormburner Universal Chop Frame for Jap/British engine

Fit motor mount kit

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