This dual top clamp from Joker is a universal piece for 7/8-inch handlebars and 2-inch risers. CNC machined from from a solid block of 6061 billet aluminum for the maximum in strength, the dual top clamp gives your motorcycle a unique racer design while keeping the assembly lightweight, yet heavy duty. It can be used on virtually any motorcycle due to the universal internal mounting bolt design. The riser base accepts 1/2-inc and 12mm allen head screws. A 10mm allen bolt adapter is sold separately. Available in hard black or clear anodized finishes. Made in the USA. The retail price on these is $144.95. Check them out at Joker Machine's website.