These kits have been requested since the introduction of the Honda Aero 750. Scootworks developed this accessory, and released it for sale in January '06. These kits have the same great features as our Spirit/Ace 750 lowering kits: easy installation, retention of your OEM shocks for a great ride, 1-1/2" and 2-1/2" lowering in the rear, and is an easily reversible modification. CAD designed, CNC and lazer cut TIG welded steel components, and a durable finish for long lasting performance. This design modifies the lever ratio of the shock, and has been done since the mid-70's by many manufacturers. We have literally thousands of kits in the field using exactly this technology, and have never had a single failure, so it's a time tested and proven method of safely lowering your bike.