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NASTYBIKES specializes in supplying the Sportster® & Buell® enthusiast with the perfect starting point for building your dream bike with the finest in frames and accessories.
Pro Street to Chopper style.
Mild to Wild!!!!
Sportster® or Buell®
Standard Softglide Frame
ProStreet Style
Sportster® or Buell®
Standard Rigid Frame
ProStreet Style
Softglide™ Standard
Rigid Standard
Sportster® or Buell®
Chopper Softglide Frame
Sportster® or Buell®
Chopper Rigid Frame
Softglide™ Chopper
Rigid Chopper

2004 and up
Standard Softglide

Buell® Rigid Frame
Pro Street Style
Also available in a Softglide
2004 Softglide™ Standard
Also Available - Rigids & Choppers
Sportster® or Buell®
330 & 360mm Pro Street Drag Frame
Rigid Drag Frame

Softglide™ Trike's for Sportster's® & Buell's®
With a limited slip rear end.
Comes with 2 piston calipers not shown.

Weld on Hardtail - 1982-03

68" to 73" Wheelbase
20" Seat Height
230mm - 330mm Series Tires with Belt Drive
4 Speed Engines use Stock Chain Drive
Polished 1045 Axle
4" Ground Clearance
Frame is Cleared for Strokers
38 Degree Rake
4" Front Stretch
5" Rear Stretch
.5" Engine Offset with 1" Rise
(maintains CG w/ belt drive)
Frames Delivered Ready to Prime or Powder coat
FRAMES ( FOR 79 & UP )
w/ 5 Speed Transmissions - 4 Speed uses Stock chain drive.
Whether you are into Sportsters or Modified's,
CMH FrameWorks can meet your custom frame needs.
CMH frames are hand-crafted from seamless mild steel tubing with .125 wall thickness, mandrel bends, M.I.G. welded and polished welds are used throughout. Designed by master frame builder
Bob Ramey
and include tabs for oil and gas tanks, battery, fender struts and brake anchor.
CMH frames accept custom oil tank and custom gas tanks. All frames are shipped with Manufacturers Statement of Origin.
 It has a 38 degree rake a 14 inch stretch and a 73 inch wheelbase. It uses 6 inch over stock length front end, and can accept up to a 360mm rear tire.

It has a 38 degree rake a 9 inch stretch and a 68 inch wheelbase. It uses stock length Sportster® front end, and can accept up to a 360mm rear tire.


It has a 38 degree rake a 9 inch stretch and a 68 inch wheelbase. It uses stock length BUELL® front end, and can accept up to a 360mm rear tire.

CMH Softglide
Unique shock-mount Softglide frame fits the Sportster® engine and drive train to incorporate the classic rigid look with the riding comfort of a shock-mount frame.
The swingarm bearings are internally mounted and the shocks tuck conveniently under the frame to compliment the rigid look.
CMH Softglide™ frames are designed to use aftermarket Softail® shocks.
Use of stock Softail shocks is not recommended..
We recommend Fournales® Air-Ride shocks.
From Mild to Wild; the CMH Softglide & Rigid frames
are ready to accept your choice of Sportster® Evolution engine and transmission configurations.
( FOR 79 & UP )
(4-Speed Transmission Units use Stock Chain Drive)
CMH Frames are available in rigid or our exclusive Softglide shock-mounted design.
CMH offsets and centers the engine for perfect balance. Our Nasty frames accept up to a 12" wide tire assembly for belt drives and feature a 9" stretch to provide a sleek 68" to 73" wheelbase. The 20" seat height accepts CMH seats. All frames have clearance for the wildest of stroker engines and are ready for powder coating upon leaving CMH.

are available with one of our frame styles, Rigid or Shock mounted Softglide, from mild to wild.

NASTYBIKES frames feature up to a 10.5" rear wheel and a 230 up to 360series tire with a width up to 12" with belt drive.
NASTYBIKES feature a 20" seat height along with a 7" frame stretch to get a total wheelbase of 68" to 73", the low seat height along with the longer wheelbase makes for a superb handling and ease of maneuverability for riders of all sizes.

CMH Frameworks INC. and Nastybikes™
All rights reserved except where noted 1996 to 2011.