BRAND NEWPART# 51-0982 Weld On Rigid Hardtail by V-Twin Manufacturing Fits 1979-1981 Harley Ironhead Sportsters with the stock Frame. Raw finish Weld on hardtail with weld on bracket for stock frames with disc brake. The adjuster block are on the outside of the rear axle plate and are threaded to accept the axle adjuster kit. This hardtail accepts 3/4″ axle. Top seat plate is included but must be welded on by customer or fabricator. DIY hardtailing is easy to install as the alignment is accomplished by the mount design provided. Custom application on 1979-1981 XL. Order battery carrier, rear belt or chain, axle, 2000-up caliper, caliper mount, exhaust bracket and hardware separately. Welding should be performed by a skilled welding technician. , ,