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Photo journal of a complete build process of a modified Buell

Mike's CrossBreed

In the following pages Allen Bros Chopper Works will be building a radical pro-street custom. We will design and build the complete bike including the frame.
(See CrossBreed Morph for frame fabrication)

The idea is to build a custom chopper that almost anyone can afford.
A "poor mans radical custom", if you will. We're using our ABCW CrossBreed frame at 38 degrees rake, and most of the parts from our donor 1999 X1 Lighting. The CrossBreed frame uses the Buell suspension, and rubber mounting for the engine.

The CrossBreed frame can be purchased by custom builders interested in this sort of project, or we can be contracted to build a similar bike to completion.

This bike is for sale (see our Bikes for Sale page)

 



 
Ok, this is Mike's doner bike. A 1999 Buell X1 Lightning with only 7000 miles. This sport bike has eveything we'll need to build a badd-ass pro-street chopper. It has a 103 HP Thunderstorm engine (which is a hopped up Harley 1200 Sportster Evolution engine). We'll also be cannibalizing the front end, wheels and brakes, instuments and controls, etc...
 
 
To get this project off the ground, we'll need a good drawing with all dimensions and materials list. This is the basic concept drawing of theCrossBreed frame we'll be using. It's a suspended 43 degree rake, rubber mounted chassis. It'll be built with .120 wall DOM tubing, 1.25" in the frame rails and seat rails, and 1.75" in the backbone. We'll use our flat plat "downRails" for down tubes, similar to the rigid frame.
 
 
This is the basic consept. We built the CrossBreed frame in the jig, and then took it over to the build area. We had to decide what we wanted for gas and oil tanks. We'll be using the stock front and rear fender, and our built-in (and removeable) solo seat support. The stock bars are to short, so we'll build custom risers and handle bars.
 
 
We fabricated the oil tank from a sheet of 14 gage steel. It's a horseshoe style tank that will also house the battery and electrical. This was a real challenge, because of the tight space between the seat rails and swingarm. We also had to make a cut out for drive belt clearance.  
 
After building the seat support, and fitting it to the frame (note the bolts in the swingarm plate holing the seat support to the seat rails), we had to build the seat pan, for a perfect fit.
 
 

Then we had it covered with osterich skin.

 
 
Mike really liked the look of a '58 K-model Sportster tank on the frame, so that's what we went with. He had to stretch the tunnel a little to fit over the 1.75" backbone.
 
 
Here's Mike working on the moch up  

 
Feels good, but those stock cafe' racer bars are way too short...  

(click next page for more photos)

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Contact for questions or comment:
TROY at Allen Bros Chopper Works