90" wide and accepts 120/70-21 tires

Very good dispersion properties

but with other (custom) threads

5-pack Hex Bolt Polished Stainless 1/4-28 by Gardner Westcott

speed merchant solid bushing handlebar riser BS90 90" wide and accepts 120/70-21Speed Merchant Standard Solid Riser Bushing for Harley Speed Merchant Black Standard Solid Riser Bushings are designed to eliminate the soft, spongy feel in your handlebars providing a firmer and more controlled ride. Perfect for use with tall bars. Features: Removes spongy handlebar feel for improved control Ideal for use with tall handlebars Compatible with stock riser hardware Made in the U. S. A. Sold as a set