Handcrafted 6061-T6 aluminum extended swingarm. 100% bolt-on design can be used with OEM rear wheel, caliper, spacers and associated components (see'fitment' tab for model listing). Proprietary custom extrusion made exclusively for Brock's Performance. Extends wheelbase from stock to 3 inches over. Designed for use in high-power, high-torque applications.
Includes centerless ground hollow 4130 chromoly axle. Reversible billet aluminum axle adjusters for easy wheel adjustments.Includes caliper bracket for use with OEM calipers. PTFE® lined spherical bearings from Worldwide Bearings. Includes bushings to use the OEM 3/4 pivot shaft.
Interior swingarm width measures 10 7/8 at the axle. (accepts 200 series rear tire on 6.75 wide rim with chain conversion). 42% weight savings vs OEM swingarm (see the'technical' tab for details). Designed, machined, and assembled in the USA.
3-position shock mounts allow flexibility in ride height (stock, -1", -2"). Compatible with shock lengths up to 12.75.
13" shocks will fit but must be used in the -1" or -2 position (See West Coast Bagger for longer shock). H-D Premium Ride Touring Shocks. Will only work in the stock shock position. Brock's Performance recommends adjustable Bitubo shocks.
For best performance and adjustability.