Full rigid frame for 2004-22 Sportster.

CNC bent tubing, TIG weld construction, CNC laser and bent tabs.

Rear of frame is roughly 4” longer than stock with 2” of drop.

This frame has a neck height of +3" and has 32 degrees of rake for a perfect stance, combined with a 4" over front end and 21" wheel.

Accepts 1” front fork stem and stock 1" rear axle.

The frame also has mounts for an early sportster style gas tank or frisco style tank. The frame will require an early style kickstand. Has integrated upper mounts for Horseshoe oil tank #010404.

You can choose to order with standard sportster gas tank mounts or frisco tank mounts. You can also order with the oil tank (010404) mounted. This means the lower oil tank tab is welded onto the frame and the oil tank is installed with all hardware.

This frame eliminates the OEM rubber mounts and converts the engine to solid mount. A front engine solid mount adapter will need to be purchased.

MSO included. This is required when changing frames in certain states.

These are built to order. Please allow 7-14 days before it is ready to ship.

Made 100% in house at The Gasbox.

International Shipping is available.

Due to dimensional weight calculations all international orders will ship via DHL Air Freight

Contact us for an accurate shipping quote

Lower fender bracket for Gasbox Big Twin Frame's