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Frames / Rolling Chassis

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Demon’s Cycle specializes in frames and rolling chassis for Harley and Harley style engines. We offer a great selection of quality custom frames in rigid, softail, bobber and pro-street styles. Width of our frames varies from stock to 330 wide. We accommodate Big Twin motors and Harley Sportster engines.

If you are looking to build a fully custom motorcycle, Demon’s rolling chassis is a great way to start the project right. Select your frame style: Bobber, chopper, prostreet, softail or rigid and then select the style of rims and front end of the rolling chassis. We have many great choices of rolling chassis starting at very basic and going all the way to a very fancy chopper. You can see some examples of motorcycles built on Demon’s rolling chassis in the ads and in our gallery.

Items 37 to 48 of 48 total

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  1. Pro-Street 250 Custom Frame for Harley-Davidson Sportster Motor

    Pro-Street 250 Custom Frame for Harley-Davidson Sportster Motor

    $1,049.99


    250 Custom Pro-Street Frame

    '250' Wide Prostreet Frame
    with MSO
     
    Great Custom Look!
     
    Frame is made to accept Harley-Davidson Sportster motors 1986-2003
     
    Accepts Wide 250-series tire
    Full TIG welding
    Right Side Drive
    3/4"- diameter rear axle
    38 degree rake
    6" Out Stretch
    2" Up Stretch
    Built-in transmission plate.
    Comes with rear axle and axle covers

    Made in USA

    Learn More
  2. Softail ProStreet Fat 250 Custom Rolling Chassis for Harley-Davidson Motors

    Softail ProStreet Fat 250 Custom Rolling Chassis for Harley-Davidson Motors

    $1,649.99

    Custom Softail Fat 250 Pro-Street Rolling Chassis Kit

    WITH
    '60 SPOKES'
    CHROME CHOPPER RIMS
    with BILLET HUBS

    All New High Line Show Quality Custom Parts

    List of parts included in this kit:

    This is not a backyard package. This is top of the line stuff!

    'BIG PAPA' Wide 250mm Softail Style Frame

    Left Side Drive with

    SINGLE DownTube

    SpecialFeatures include:

    38 Degree Rake.
    4 " Stretch on back bone
    2 " Down tube stretch

    1" offset transmission.
    Swingarm for wide rear wheel
    (250mm fat tire).
    Motor mount.
    TIG / MIG welded at major points.
    MIG welded on our new precision frame fixtures for accurate location & fitment.
     
    Primed

    Frame comes with rear axle, swingarm, pivot arm, oil tank with battery box and MSO.

    Built for Harley-Davidson Evolution motor or any cutom Evo-style motors.
    Retail: $2210

    '60 Spoke'
    Chrome with Billet Hub 18" x 8.5" Rear Wheel
    Will fit 250 Tire
    $1050 Retail

    '60 Spoke'
    Chrome with Billet Hub Front 21" x 2.15" Wheel
    $850 Retail

    Chrome Billet Front End (Custom Style)
    $1999 Retail

    Total Retail:$6,109.00 plus tax.

    You are getting all of the parts listed above.

    You are buying a $6.1K rolling chopper chassis. Don't miss out on our deal!
     
    All our Big Twin rolling chassis will fit 84-99 Evo style H-D engine, Ultima engine, S&S engine, RevTech engine, Merch engines, Patric engines and and and all Evo styles.
    You can also fit a Shovelhead engine with no problems, Twin Cam engines can easy be custom fitted with a Twin Cam adapter plate that we also offer in our listing.
    Thanks, and have fun building your dream bike.


    Custom motorcycle built by Demon's Cycle on similar cahassis

    Learn More
  3. Springer Bobber 250 Custom Rolling Chassis for Harley-Davidson Motors

    Springer Bobber 250 Custom Rolling Chassis for Harley-Davidson Motors

    $1,699.99

    Custom Bobber Springer Rolling Chassis
    250 Chopper Kit

    WITH
    '80 SPOKES'
    CHROME CHOPPER RIMS
    with BILLET HUBS

    All New High Line Show Quality Custom Parts

    List of parts included in this kit:

    This is not a backyard package. This is top of the line stuff!

    'FAT DADDY' Wide 250mm Left Side Drive (LSD) Softail Style Frame

    SpecialFeatures include:

    38 Degree Rake.
    4 " Stretch on back bone
    2 " Down tube stretch

    1" offset transmission.
    Swingarm for wide rear wheel
    (250mm fat tire).
    Motor mount.
    TIG / MIG welded at major points.
    MIG welded on our new precision frame fixtures for accurate location & fitment.
     
    Primed

    Frame comes with rear axle, swingarm, pivot arm and MSO.

    Built for Harley-Davidson Evolution motor or any cutom Evo-style motors.
    Retail: $2210

    '80 Spoke'
    Chrome with Billet Hub 18" x 8.5" Rear Wheel
    Will fit 250 Tire
    $1050 Retail

    '80 Spoke'
    Chrome with Billet Hub Front 21" x 2.15" Wheel
    $850 Retail

    Fully Chromed Custom 2" Over Springer Front End.
    Triple plated chrome.
    Accepts Late Model Left or Right Side Brakes, and Wheels with 3/4" - Diameter Axles.
    The reinforced top and bottom trees reduce flex and improve handling.
    TIG welded alloy steel construction for strength and durability.
    Kit includes: main spring, fork leg, neck, top nut, crown nut, rocker assemblies with brass bushings and top top clamp for Glyde style risers and axle.
    $1999 Retail

    Total Retail:$6,109.00 plus tax.

    You are getting all of the parts listed above.

    You are buying a $6.1K rolling chopper chassis. Don't miss out on our deal!
     
    All our Big Twin rolling chassis will fit 84-99 Evo style H-D engine, Ultima engine, S&S engine, RevTech engine, Merch engines, Patric engines and and and all Evo styles.
    You can also fit a Shovelhead engine with no problems, Twin Cam engines can easy be custom fitted with a Twin Cam adapter plate that we also offer in our listing.
    Thanks, and have fun building your dream bike.

     
     


    Custom motorcycle built by Demon's Cycle on similar cahassis

    Learn More
  4. Softail Prostreet 250 Frame for Harley Evo Motor

    Softail Prostreet 250 Frame for Harley Evo Motor

    $899.99

    FAT TIRE 250mm SOFTAIL STYLE FRAME
    with Single DownTube
     
     
    "BIG PAPA"
     
    Left Side Drive (LSD)

    SpecialFeatures include:

    38 Degree Rake.
    4 " Stretch on back bone
    2 " Down tube stretch

    1" offset transmission.
    Single down tube.

    Swingarm for wide rear wheel
    (250mm fat tire).
    Motor mount.
    TIG / MIG welded at major points.
    MIG welded on our new precision frame fixtures for accurate location & fitment.
     
    Primed

    Frame comes with rear axle, swingarm, pivot arm, oil tank with battery box and MSO.

    Accepts Harley-Davidson Evolution motor 1986-99 and any Evo-style engine up to 135": RevTech, S+S, Ultima, Merch, Patrick.

    Notice! For safety reasons we ship MSO separately from the frame.
    The purchaser of the frame should email us with the VIN # found on the frame
    and his mailing address. We will ship the MSO immediately upon this conformation.


    Custom motorcycle built by Demon's Cycle on similar frame

    Learn More
  5. Softail Pro Street Fat 250 Custom Rolling Chassis for Harley Motors

    Softail Pro Street Fat 250 Custom Rolling Chassis for Harley Motors

    $1,749.99

    Custom Softail Fat 250 Pro-Street Rolling Chassis Kit

    WITH
    '80 SPOKES'
    CHROME CHOPPER RIMS
    with BILLET HUBS

    All New High Line Show Quality Custom Parts

    List of parts included in this kit:

    This is not a backyard package. This is top of the line stuff!

    'BIG PAPA' Wide 250mm Softail Style Frame

    Left Side Drive with

    SINGLE DownTube

    SpecialFeatures include:

    38 Degree Rake.
    4 " Stretch on back bone
    2 " Down tube stretch

    1" offset transmission.
    Swingarm for wide rear wheel
    (250mm fat tire).
    Motor mount.
    TIG / MIG welded at major points.
    MIG welded on our new precision frame fixtures for accurate location & fitment.
     
    Primed

    Frame comes with rear axle, swingarm, pivot arm, oil tank with battery box and MSO.

    Built for Harley-Davidson Evolution motor or any custom Evo-style motors.
    Retail: $2210

    '80 Spoke'
    Chrome with Billet Hub 18" x 8.5" Rear Wheel
    Will fit 250 Tire
    $1050 Retail

    '80 Spoke'
    Chrome with Billet Hub Front 21" x 2.15" Wheel
    $850 Retail

    Chrome Billet Front End (Custom Style)
    $1999 Retail

    Total Retail:$6,109.00 plus tax.

    You are getting all of the parts listed above.

    You are buying a $6.1K rolling chopper chassis. Don't miss out on our deal!
     
    All our Big Twin rolling chassis will fit 84-99 Evo style H-D engine, Ultima engine, S&S engine, RevTech engine, Merch engines, Patric engines and and and all Evo styles.
    You can also fit a Shovelhead engine with no problems, Twin Cam engines can easy be custom fitted with a Twin Cam adapter plate that we also offer in our listing.
    Thanks, and have fun building your dream bike.


    Custom motorcycle built by Demon's Cycle on similar cahassis

    Learn More
  6. Softail Bobber 250 Custom Rolling Chassis for Harley Evolution Motors

    Softail Bobber 250 Custom Rolling Chassis for Harley Evolution Motors

    $1,599.99

    Custom Bobber Springer Rolling Chassis
    250 Chopper Kit

    WITH
    '60 SPOKES'
    CHROME CHOPPER RIMS
    with BILLET HUBS

    All New High Line Show Quality Custom Parts

    List of parts included in this kit:

    This is not a backyard package. This is top of the line stuff!

    'FAT DADDY' Wide 250mm Left Side Drive (LSD) Softail Style Frame

    SpecialFeatures include:

    38 Degree Rake.
    4 " Stretch on back bone
    2 " Down tube stretch

    1" offset transmission.
    Swingarm for wide rear wheel
    (250mm fat tire).
    Motor mount.
    TIG / MIG welded at major points.
    MIG welded on our new precision frame fixtures for accurate location & fitment.
     
    Primed

    Frame comes with rear axle, swingarm, pivot arm and MSO.

    Built for Harley-Davidson Evolution motor or any cutom Evo-style motors.
    Retail: $2210

    '60 Spoke'
    Chrome with Billet Hub 18" x 8.5" Rear Wheel
    Will fit 250 Tire
    $1050 Retail

    '60 Spoke'
    Chrome with Billet Hub Front 21" x 2.15" Wheel
    $850 Retail

    Fully Chromed Custom 2" Over Springer Front End.
    Triple plated chrome.
    Accepts Late Model Left or Right Side Brakes, and Wheels with 3/4" - Diameter Axles.
    The reinforced top and bottom trees reduce flex and improve handling.
    TIG welded alloy steel construction for strength and durability.
    Kit includes: main spring, fork leg, neck, top nut, crown nut, rocker assemblies with brass bushings and top top clamp for Glyde style risers and axle.
    $1999 Retail

    Total Retail:$6,109.00 plus tax.

    You are getting all of the parts listed above.

    You are buying a $6.1K rolling chopper chassis. Don't miss out on our deal!
     
    All our Big Twin rolling chassis will fit 84-99 Evo style H-D engine, Ultima engine, S&S engine, RevTech engine, Merch engines, Patric engines and and and all Evo styles.
    You can also fit a Shovelhead engine with no problems, Twin Cam engines can easy be custom fitted with a Twin Cam adapter plate that we also offer in our listing.
    Thanks, and have fun building your dream bike.

     


    Custom motorcycle built by Demon's Cycle on similar cahassis

    Learn More
  7. Rear Axle with Axle Covers for Custom Harley Frame

    Rear Axle with Axle Covers for Custom Harley Frame

    $65.99

    12" Rear Axle with Nut and Axle Covers for Custom Harley-Davidson and Ultima Frames
     
    Axle for custom Harley comes complete with axle nut and billet aluminum axle covers and mounting bolts. Length overall is 12-7/8".

    Made in U.S.A.
     
    3/4" diameter axle.

    Learn More
  8. 250 Custom Prostreet Rigid Frame for Harley-Davidson Evo Driveline

    250 Custom Prostreet Rigid Frame for Harley-Davidson Evo Driveline

    $1,049.99


    Rigid Prostreet 250 Frame
    for 4-5 Speed Big Twins

    Awesome 250 Prostreet!

    High-quality frame accommodates any Big Twin engine except Twin Cam 88
    including strokers and Evolution motors, with 4 and 5 speed transmissions and
    chain final drives. Necks have a 40 rake and no stretch in the front
    down tubes, 5" stretch on the nackbone, and comes with an axle.

    Fits 250 tire.

    Frame includes a Manufacturer s Statement of Origin (MSO) for registration

    Notice! For safety reasons we ship MSO separately from the frame.
    The purchaser of the frame should email us with the VIN # found on the frame
    and his mailing address. We will ship the MSO immediately upon this conformation.

    Learn More
  9. 250 Pro-Street DropSeat Rolling Chassis for Harley-Davidson Evolution Motor

    250 Pro-Street DropSeat Rolling Chassis for Harley-Davidson Evolution Motor

    $2,149.99


    Custom Pro-Street
    LSD Drop-Seat Rolling Chassis
    250 Radical Chopper Kit

    WITH
    '60 Spokes' Chrome Chopper Rims with Billet Hubs

    List of parts included in this kit:

    '250' Super-Wide Prostreet Frame
    Accepts 'Super-Wide' 250-series tire
    Full TIG welding
    Single downtube
    1"- diameter rear axle
    40 degree rake
    5" Out Stretch
    0" Up Stretch
    Built-in transmission plate
    Drop-seat area is only 14" low!
    Left Side Drive

    Comes with rear axle and billet aluminum axle covers/swingarm tips.
    Built for Harley-Davidson Evolution motor or custom Evo-style motors.
    (MSO shipped separately for safety)
    Made in USA
    Retail: $3500

    '60 Spokes'
    Chrome Rim with Chrome Billet Hub 18" x 8.5" Rear Wheel
    Will fit 250 Tire
    $1200 Retail

    '60 Spokes'
    Chrome Rim with Chrome Billet Hub 21" x 2.15" Front Wheel
    $900 Retail

    Stock length, 3 rake Chrome Billet Front End with Billet Aluminum Chromed Triple Trees
    $1999 Retail

    Total Retail:$7599.00 plus tax.

    You are getting all of the parts listed above.

    You are buying a $7.6K prostreet rolling chassis. Don't miss out on our deal!
     
    All our Big Twin rolling chassis will fit 84-99 Evo style H-D engine, Ultima engine, S&S engine, RevTech engine, Merch engines, Patric engines and and and all Evo styles.
    You can also fit a Shovelhead engine with no problems, Twin Cam engines can easy be custom fitted with a Twin Cam adapter plate that we also offer in our listing.
    Thanks, and have fun building your dream bike.

    Custom build by Demon's Cycle

    Learn More
  10. Bobber Wideglide Softail 250 Wide Rolling Chassis for Harley-Davidson Engine

    Bobber Wideglide Softail 250 Wide Rolling Chassis for Harley-Davidson Engine

    $2,222.22

    250 WIDE TIRE
    Custom Softail Rolling Chassis
    Bobber Kit
    with

    BLACK 48 MAMMOTH SPOKE
    21"x2.15" RIM with BILLET HUB
    BLACK 48 MAMMOTH SPOKE 18"x8.5" RIM with BILLET HUB

    All New High Line Show Quality Custom Parts

    List of parts included in this kit:

    This is not a backyard package. This is top of the line stuff!


    Brand new first quality Wide Tire Softail Bobber Frame with MSO.
    accepts any Harley-Davidson Evo Big Twin engine except Twin Cam 88
    included rear axle and oil tank.

    "FAT DADDY"
     
    Left Side Drive (LSD)

    Special Features include:

    38 Degree Rake.
    4 " Stretch on back bone
    2 " Down tube stretch

    Swingarm for wide rear wheel
    (250mm fat tire).
    Oil tank.
    Motor mount.
    TIG / MIG welded at major points.
    MIG welded on our new precision frame fixtures for accurate location & fitment.
     
    Primed
    Frame comes with rear axle, oil tank, swingarm, pivot arm and MSO.
    Frame includes a Manufacturer s Statement of Origin (MSO) for registration (will be shipped separately for safety).
    Accepts Harley-Davidson Evolution motor 1986-99 and any Evo-style engine up to 135": RevTech, S+S, Ultima, Merch, Patrick.
    $2230 Retail.

    Black 48 Mammoth Spoke 18" x 8.5" Rear Wheel with Billet Hub
    Will fit 240-250 Tire
    $1099 Retail

    Black 48 Mammoth Spoke 21" x 2.15" Front Wheel with Billet Hub
    $899 Retail


    Black Billet Custom Wideglide Front End 
    $1999 Retail

    Black 1-1/4" Fat T-bars (drilled for internal wiring)
    $210 Retail


    11" Wide Custom Heavy Duty Strutless Rear Fender
    $602 Retail

     
    Total Retail:$7,039.00
    plus tax.

    You are getting all of the parts listed above.
     
    All our Big Twin rolling chassis will fit 84-99 Evo style H-D engine, Ultima engine, S&S engine, RevTech engine, Merch engines, Patric engines and and and all Evo styles.
    You can also fit a Shovelhead engine with no problems, Twin Cam engines can easy be custom fitted with a Twin Cam adapter plate that we also offer in our listing.
    Thanks, and have fun building your dream bike.


    Learn More
  11. Chrome Billet Fork Cups for Harley-Davidson Frame Necks 1" Stems

    Chrome Billet Fork Cups for Harley-Davidson Frame Necks 1" Stems

    $29.99

    2 BILLET CHROME FRAME FORK CUPS

    These 2 billet chrome frame fork cups will fit most
    Big Twins and Custom frames
    from 1960 to Present.

    for 1" stem

    These nice triple plated fork cups retail for $58.99 US
    and we sell for a fraction of the cost.
    A "must have" for any Custom Bike builder.

    Learn More
  12. Custom Softail 200 Frame for Harley-Davidson Evo Motor

    $869.99

    FAT TIRE 200mm SOFTAIL STYLE CUSTOM FRAME

     
    Brand new first quality Wide Tire Custom Softail Frame with MSO.
    accepts any Harley-Davidson Evo Big Twin engine except Twin Cam 88
    included rear axle, axle covers, heavy duty radius fender struts.
    Left Side Drive (LSD)

    Special Features include:

    34 Degree Rake.
    1.5" Stretch on back bone
    2" Down tube stretch

    Swingarm for wide rear wheel
    (200mm fat tire).
    Motor mount.
    Heavy duty radius rear fender struts for 9" fender.
    TIG welded.
    1020 DOM (Drawn Over Mandrel) steel tubing.
    Legs are 1.25" O.D. with .125" thick wall
    Backbone is 1.5" O.D. with .219" thick wall
    Heavy duty swingarm pivot for high horsepower transfer.
    Accepts Softail style oil tank.
     
    Frame comes with rear axle, rear fender struts, swingarm, pivot arm and MSO.
    Frame includes a Manufacturer s Statement of Origin (MSO) for registration
    (will be shipped separately for safety).
     
    Accepts Harley-Davidson Evolution motor 1986-99 and any Evo-style engine up to 135": RevTech, S+S, Ultima, Merch, Patrick.

    Notice! For safety reasons we ship MSO separately from the frame.
    The purchaser of the frame should email us with the VIN # found on the frame
    and his mailing address. We will ship the MSO immediately upon this conformation.


    Custom motorcycle built on this frame
    Learn More

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