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Frames / Rolling Chassis

    • The product Chrome Billet 66 Tooth 1" Superspoke Pulley for Harley Big Twins has been added to comparison list.
    • The product Chrome Billet Hand Grips RETRO 60's Bullet Tips for Harley-Davidson has been added to comparison list.
    • The product EXHAUST Down'n Outs BIG GROWL for Harley Sportster has been added to comparison list.

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.

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  1. Softail ProStreet LSD 200 Custom Frame for Harley-Davidson Evo Motor

    Softail ProStreet LSD 200 Custom Frame for Harley-Davidson Evo Motor

    $1,249.99

    200 Wide Drop-Seat
    LSD Softail Prostreet Frame

    Nice Pro-Street Drop-Seat Softail frame .

    Brand new first quality Frame with MSO.
    This USA made wide tire frame
    FITS FAT TIRE 200
    LEFT SIDE DRIVE
    HEAVY DUTY FRAME

    Specical Features include:

    40 Degree Rake.
    5" Stretch on Back Bone.
    0" Stetch on Single Downtube.
    Single Heavy Duty Downtube.
    CNC Milled motor mount.
    TIG welded at major points.
    MIG welded on our new precision frame fixtures for accurate location & fitment.
    Accepts any Harley-Davidson Evolution motor 88"-135".
    Motor mounts.
    Rear axle and plates included.

    accepts any Harley-Davidson Evo Big Twin engine except Twin Cam 88
    included rear axle, pivot bolts and hardware.

    Frame includes a Manufacturer s Statement of Origin (MSO) for registration
    (will be shipped separately for safety).
    $3499 Retail.

    Retail:$3499
    plus tax.


    Demon's Cycle Pro-Street built on a similar frame

    Demon's Cycle Pro-Street built on a similar frame

    Made in USA!

    Learn More
  2. Softail Bobber 250 Frame for Harley Evo Motor

    Softail Bobber 250 Frame for Harley Evo Motor

    $849.99

    FAT TIRE 250mm SOFTAIL STYLE FRAME

    "FAT DADDY"
     
    Left Side Drive (LSD)

    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.

    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
  3. 2 Internal Rear Axle Adjusters for Harley

    2 Internal Rear Axle Adjusters for Harley

    $9.99

    Internal Rear Axle Adjusters

    Black internal rear axle adjusters for Harley-Davison Softail, rigid, custom chopper frames and any custom application.
    Adjusters are 2" long

    Made in the USA

    Learn More
  4. Softail ProStreet LSD 250 Custom Frame for Harley-Davidson Evo Motor

    Softail ProStreet LSD 250 Custom Frame for Harley-Davidson Evo Motor

    $1,249.99


    250 Wide Drop-Seat
    LSD Softail Prostreet Frame

    Nice Pro-Street Drop-Seat Softail frame .

    Brand new first quality Frame with MSO.
    This USA made wide tire frame
    FITS FAT TIRE 250
    LEFT SIDE DRIVE
    HEAVY DUTY FRAME

    Specical Features include:

    40 Degree Rake.
    5" Stretch on Back Bone.
    -2" Stetch on Single Downtube.
    Single Heavy Duty Curved Downtube.
    1-3/8" tube with 156 wall.
    CNC Milled motor mount.
    TIG welded at major points.
    MIG welded on our new precision frame fixtures for accurate location & fitment.
    Accepts any Harley-Davidson Evolution motor 88"-135".
    Motor mounts.
    Rear axle and covers included.

    accepts any Harley-Davidson Evo Big Twin engine except Twin Cam 88
    included rear axle, pivot bolts and hardware.

    Frame includes a Manufacturer s Statement of Origin (MSO) for registration
    (will be shipped separately for safety).
    $3499 Retail.

    Retail:$3499
    plus tax.


    Demon's Cycle Pro-Street built on a similar frame

    Made in USA!

    Learn More
  5. 300 Pro-Street DropSeat Rolling Chassis for Harley-Davidson Evo Motor

    300 Pro-Street DropSeat Rolling Chassis for Harley-Davidson Evo Motor

    $2,249.99


    Custom Pro-Street
    RSD Drop-Seat Rolling Chassis
    300 Radical Chopper Kit

    WITH
    '60 Spokes' Chrome Chopper Rims with Billet Hubs

    List of parts included in this kit:

    '300' Super-Wide Prostreet Frame
    Accepts 'Super-Wide' 300-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!
    Right 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 10.3" Rear Wheel
    Will fit 300 Tire
    $1200 Retail

    '60 Spokes'
    Chrome Rim with Chrome Billet Hub21" 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
  6. Motor Mount Adapter for Harley-Davidson Twin Cam 88 A to Fit Evolution Frames

    Motor Mount Adapter for Harley-Davidson Twin Cam 88 A to Fit Evolution Frames

    $98.00

     

    Twin Cam Engine Adapter Plate for Big Twin Evolution Frames

     

    CNC machined from 7075 billet aluminum
    Retrofits Harley-Davidson Twin Cam 88 'A' (except TC88B) engines into Big Twin Evolution style solid mount frames.
    Includes Hardware
    Includes Instructions
    Fits OEM engine crankcases.

    Made in the U.S.A.

     

     

    Learn More
  7. Custom Rigid Chopper Frame for Harley Motor

    Custom Rigid Chopper Frame for Harley Motor

    $699.99

    Rigid Wide Drive Frame

    This is a nice clean old school chopper rigid frame that handles perfect and is not too too big.
    Brand new first quality Rigid Frame.
    This USA made frame has a 34 degrees rake,
    4"  downtube stretch,
    1"  backbone stretch and accepts up to 210mm tire with a belt. This frame make a great bike.
    Auction is for Frame with MSO
    Accepts all Harley-Davidson 1985 - 99 EVO Engines + Transmissions
    80" to 135"


    Dimensions:

    Rake of 34 degrees.
    4" Stretch downtubes.
    Tank mounts.
    1026 DOM (Drawn Over Mandrel) steel tubing.
    Legs are 1.25" O.D. with .125" thick wall.
    Backbone is 1.500" O.D. with .187" thick wall.
    Seat post is 1.500" O.D. with .187" thick wall.

    Product ID = 3322

    Learn More
  8. ProStreet 200 Rigid Custom Motorcycle Frame for Harley-Davidson Evo Motor

    ProStreet 200 Rigid Custom Motorcycle Frame for Harley-Davidson Evo Motor

    $1,349.99

    200 Wide Drop-Seat
    LSD ProStreet Frame

    "Extreme Euro Design"
     
    True Custom!
     
    Nice Pro-Street Drop-Seat Rigid frame.

    Brand new first quality Frame with MSO.
    This USA made wide tire frame
    FITS FAT TIRE 200
    LEFT SIDE DRIVE
    HEAVY DUTY FRAME
    Specical Features include:

    42 Degree Rake. (Will work with 2" over front end.)
    6" Stretch on Back Bone.
    0" Stetch on Single Downtube.
    Single Heavy Duty Downtube.
    1-3/8" tube with 156 wall.

    CNC Milled motor mount.
    TIG welded at major points.
    MIG welded on our new precision frame fixtures for accurate location & fitment.
    Accepts any Harley-Davidson Evolution motor 88"-135".
    Motor mounts.
    Custom oil tank is included!
    Rear 1" axle and plates included.
    This frame is for chain drive only (too long for a belt)

    accepts any Harley-Davidson Evo Big Twin engine except Twin Cam 88
    included rear axle, oil tank, billet oil cap.

    Frame includes a Manufacturer s Statement of Origin (MSO) for registration
    (will be shipped separately for safety).
    $3499 Retail.

    Retail:$3499
    plus tax.

     

    Chopper built on similar frame.
    Chopper built on similar frame
    Euro bobber built on this frame
     

    Made in USA!

     

    Learn More
  9. ProStreet 250 Rigid Custom Motorcycle Frame for Harley-Davidson Evo Motor

    ProStreet 250 Rigid Custom Motorcycle Frame for Harley-Davidson Evo Motor

    $1,349.99

     

    250 Wide Drop-Seat
    LSD ProStreet Frame

    "Extreme Euro Design"
     
    True Custom!
     
    Nice Pro-Street Drop-Seat Rigid frame.

    Brand new first quality Frame with MSO.
    This USA made wide tire frame
    FITS FAT TIRE 250
    LEFT SIDE DRIVE
    HEAVY DUTY FRAME
    Specical Features include:

    42 Degree Rake. (Will work with 2" over front end.)
    6" Stretch on Back Bone.
    0" Stetch on Single Downtube.
    Single Heavy Duty Downtube.
    1-3/8" tube with 156 wall.

    CNC Milled motor mount.
    TIG welded at major points.
    MIG welded on our new precision frame fixtures for accurate location & fitment.
    Accepts any Harley-Davidson Evolution motor 88"-135".
    Motor mounts.
    Custom oil tank is included!
    Rear axle and plates included.
    This frame is for chain drive only (too long for a belt)

    accepts any Harley-Davidson Evo Big Twin engine except Twin Cam 88
    included rear axle, oil tank, billet oil cap.

    Frame includes a Manufacturer s Statement of Origin (MSO) for registration
    (will be shipped separately for safety).
    $3499 Retail.

    Retail:$3499
    plus tax.

    Chopper built on this frame.
    Chopper built on this frame
    Euro bobber built on this frame
     

    Made in USA!

     

    Learn More
  10. Softail ProStreet RSD 300 Custom Frame for Harley-Davidson Evo Motor

    Softail ProStreet RSD 300 Custom Frame for Harley-Davidson Evo Motor

    $1,249.99


    300 Wide Drop-Seat
    RSD Softail Prostreet Frame

    Nice Pro-Street Drop-Seat Softail frame .

    Brand new first quality Frame with MSO.
    This USA made wide tire frame
    FITS FAT TIRE 300
    LRIGHT SIDE DRIVE
    HEAVY DUTY FRAME

    Specical Features include:

    40 Degree Rake.
    5" Stretch on Back Bone.
    -2" Stetch on Single Downtube.
    Single Heavy Duty Curved Downtube.
    1-3/8" tube with 156 wall.
    CNC Milled motor mount.
    TIG welded at major points.
    MIG welded on our new precision frame fixtures for accurate location & fitment.
    Accepts any Harley-Davidson Evolution motor 88"-135".
    Motor mounts.
    Rear axle and covers included.

    accepts any Harley-Davidson Evo Big Twin engine except Twin Cam 88
    included rear axle, pivot bolts and hardware.

    You cannot find anything nearly as good as this frame for this price.
     
    Frame includes a Manufacturer s Statement of Origin (MSO) for registration
    (will be shipped separately for safety).
    $3499 Retail.

    Retail:$3499
    plus tax.


    Demon's Cycle Pro-Street built on a similar frame

    Made in USA!

    Learn More
  11. Softail ProStreet 300 RSD Frame for Harley-Davidson Evo Motor

    Softail ProStreet 300 RSD Frame for Harley-Davidson Evo Motor

    $1,249.99


    300 Wide Drop-Seat
    RSD Softail Prostreet Frame

    Nice Pro-Street Drop-Seat Softail frame .

    Brand new first quality Frame with MSO.
    This USA made wide tire frame
    FITS FAT TIRE 300
    RIGHT SIDE DRIVE
    WILL FIT 330 TIRE WITH CHAIN DRIVE
    HEAVY DUTY FRAME

    Specical Features include:

    40 Degree Rake.
    5" Stretch on Back Bone.
    0" Stetch on Single Downtube.
    Single Heavy Duty Downtube.
    CNC Milled motor mount.
    TIG welded at major points.
    MIG welded on our new precision frame fixtures for accurate location & fitment.
    Accepts any Harley-Davidson Evolution motor 88"-135".
    Motor mounts.
    Rear axle and plates included.

    accepts any Harley-Davidson Evo Big Twin engine except Twin Cam 88
    included rear axle, pivot bolts and hardware.

    Frame includes a Manufacturer s Statement of Origin (MSO) for registration
    (will be shipped separately for safety).
    $3499 Retail.

    Retail:$3499
    plus tax.


    Made in USA!
    Demon's Cycle custom pro-street built on a same frame.
    Demon's Cycle custom pro-street built on a same frame.
    Demon's Cycle custom pro-street built on a similar frame.

    Learn More
  12. Softail ProStreet LSD 250 Custom Frame for Harley-Davidson Evo Motor

    Softail ProStreet LSD 250 Custom Frame for Harley-Davidson Evo Motor

    $1,249.99


    250 Wide Drop-Seat
    LSD Softail Prostreet Frame

    Nice Pro-Street Drop-Seat Softail frame .

    Brand new first quality Frame with MSO.
    This USA made wide tire frame
    FITS FAT TIRE 250
    LEFT SIDE DRIVE
    HEAVY DUTY FRAME

    Specical Features include:

    40 Degree Rake.
    5" Stretch on Back Bone.
    0" Stetch on Single Downtube.
    Single Heavy Duty Downtube.
    CNC Milled motor mount.
    TIG welded at major points.
    MIG welded on our new precision frame fixtures for accurate location & fitment.
    Accepts any Harley-Davidson Evolution motor 88"-135".
    Motor mounts.
    Rear axle and plates included.

    accepts any Harley-Davidson Evo Big Twin engine except Twin Cam 88
    included rear axle, pivot bolts and hardware.

    Frame includes a Manufacturer s Statement of Origin (MSO) for registration
    (will be shipped separately for safety).
    $3499 Retail.

    Retail:$3499
    plus tax.


    Demon's Cycle Pro-Street built on a similar frame

    Demon's Cycle Pro-Street built on a similar frame

    Made in USA!

    Product ID = 3380

    Learn More

Items 1 to 12 of 48 total

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