Frames are EXCLUDED from the $99 & up Free Economy Shipping special.
For more info on frame shipping see the Frames section of the FAQ.
- Fits Harley-Davidson Sportsters 1952-1981 frame and engine
- Requires the use of a disc brake rear wheel and 3/4" axle
- 4 inch stretch, 2 inch drop compared to stock wheel base
- Made in the USA
This weld-on hardtail rear frame section fits stock front frame sections on Sportsters from 1952-1981 (stock front frame section not included). The beauty of this weld-on hardtail is that the end result is a super-clean rigid frame. It gets rid of stock seat post area, and the tweaks to stretch and drop give that perfect profile and stance that will make your chopper look like a million bucks. This frame is approximately 4" stretch over stock wheelbase and 2" drop (2 inches lower than stock).
This frame requires the use of a 3/4" axle (custom style, or the stock axle used from 1977-99 will work), disc brake rear wheel and rigid model brake caliper bracket. This frame is for disc brake use only, there are no provisions to accommodate a drum brake rear wheel. This frame is designed to use our Universal Rear Chain Adjusters for 3/4" axles which are included.
Hand-made from 1" x .125" wall crew tubing with 5/16" thick axle plates and designed to weld to your frame with ease. Just what you need for that Ironhead bobber, chopper or race bike build. This hardtail frame is completely dialed in, you will not find a more complete or well-designed Harley Ironhead Sportster hardtail anywhere.
Additional, there are two great oil tank options that are ready to go for this hardtail frame. Choose your style, our Horseshoe Oil Tank as well as the Dished Clamp-On Oil Tank fit perfectly. The Gasbox Battery Box Adapter Plate allows easy mounting of all Gasbox universal battery boxes to all Gasbox Full Frames and also features an integrated lower fender support.
Proudly made in Cleveland, Ohio, USA. These hardtail Harley frames are in stock and ship immediately.
Notes: Requires a longer chain due to the stretch.
Note: There are no returns on carburetors, electrical items, full frames, hardtails or made-to-order items (such as magnetos) unless there is a manufacturer’s defect.
Disclaimer: This weld-on hardtail rear frame section from Lowbrow Customs is designed for installation by skilled and experienced fabricators. We strongly advise that only individuals with appropriate welding and fabrication knowledge and expertise undertake the installation of this product. If you are not a trained and experienced fabricator, we recommend seeking professional assistance or guidance to ensure a secure and precise installation. Lowbrow Customs assumes no responsibility for any damage or injuries resulting from improper installation or use of this product.
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