Build your custom chopper
Custom-Built Choppers in Illinois
Below you will find some basic information about the building blocks that we use to build each and every custom chopper at Mad Fox Choppers. There are many optional components that you can select from to suit the needs of your particular custom chopper build.
Frame:
- Soft tail style frame for 300mm tire
- 1.5 inch tubing
- 40 degree rake
- -2" up stretch
- 5" back bone stretch
- 2" down tube
- 1.75" back bone
- Hidden dual 4" shock system - fully adjustable for raising and lowering bike
- Shock comes in Chrome or Black
Engines:
| Ultima EPA Certified 107 C.I. | Ultima El Bruto Series 113 C.I. |
| Bore: 4.000" | Bore: 4.000" |
| Stroke: 4.250" | Stroke: 4.500" |
| Piston: Forged Dome | Piston: Forged Dome |
| Compression: 9.6:1 | Compression: 10.2:1 |
| Valve Spring: Ultima® | Rated Output: 120 RW HP |
| Chrome Nose Cone/Rocker Boxes | 120 LB FT Torque |
| Billet Oil Pump | Camshaft: 0.640" Lift; 264 Duration |
| Chrome Tappet Blocks | Valve Spring: Ultima |
| Single-fire Ignition | Chrome Nose Cone/Rocker Boxes |
| Includes 45mm Mikuni Carb. | Billet Oil Pump |
| 2 Year/24,000 Mile Limited Warranty | Chrome Tappet Blocks |
| *Included in basic build* | Single Fire Ignition |
| Includes 45mm Mikuni Carb. | |
| 12 mo/12,000 Mile Limited Warranty | |
| *Available at additional cost* |
For more information on the Ultima Engines, click here
Transmission:
- 6-speed rsd transmission
- cable operated(ultima)
- Heavy Duty 2 Year 20,000 mile warranty
Rims and Tires:
- Front Wheel (you pick the style rim) 21 x 3.25 with 120 x 70 Avon Venom tire
- Rear Wheel (you pick the style rim) 18 x 10.5 with 300 series Avon Venom tire
- Matching pulley 65 tooth x 1.5" wide and one piece rotor
Custom Paint/Basic Artwork:
- Custom Paint colors, Kandy Colors and Custom Airbrushing available at additional cost. Visit our Chopper Paint Shop to learn more
Accessories:
- Ultima primary belt drives polished street style
- 3.35" Goodyear belt
- Extra plate Barnett clutch assembly
- Ultima thunder fire heavy duty starter (chrome or black)
- Wild Rider 32 amp charging system
- Chrome forward controls with matching grips and folding passenger pegs
- Steel braided fuel and oil lines with chrome finishing caps
- Steel braided clear coated brake lines (dot 5 fluid)
- Custom air filter assembly (chrome)
- Thunder Volt AGM Battery (270 cca)
- Thunder head wiring system
- Chrome fuel and oil filters
- Chrome kickstand
- 7" Stretched headlight
- LED rear turn signals
- LED front turn signals mounted to forks
- Custom shift linkage
- chrome fuel valve
- chrome horn
- custom chrome mirrors (you pick style)
- 1.25" drag style handle bars (10" riser with 1" pull back)
- head mounted digital speedometer
Front Fender:
- Custom round top fender for 21" wheel
Seat:
- Solo Shootout w/flared back (black vinyl) gel or leather extra
Front End:
- Custom Ultima 41mm chrome billet fork slider assembly +2" over stock
- Styles are smooth, milled or bullet hidden axle
- Custom triple tree 41mm with 6 degree rake
Oil Tank:
- Custom horseshoe-style oil tank with battery tray for 300 tire frames
- 3 quart capacity
Exhaust:
- Martin Brothers custom exhaust system w/baffles (you pick style up to $700 spending limit)
Brakes:
- Front and Rear calipers polished billet aluminum
- JayBrake 4 piston calipers
License Plate:
- Chrome billet license plate frame w/LED Tail Light (you pick style)
Shipping:
- Customer is responsible for shipping. Shipping cost is about $600 to $1300
- Mad Fox Choppers will assist in loading the chopper with the shipping company
Payment:
- 60% is due before production on your chopper begins
- Remaining balance is due before chopper is shipped
- We accept Visa, Mastercard, Discover, Checks or Money Orders
- Production on the bike will begin once funds have cleared your account
- When bike is complete, remaining balance is due within 2 weeks. After that time, 25$/day storage fees will accrue.