Motorcycle Black Mirrors Riser Extension Brackets Adapter 10mm Chopper Cruiser Bobber Cafe Racer Manufacturer Warranty is Valid for Purchasing from Astra Depot ONLY Made of High Quality Billet Aluminum with Black Finish.Sturdy & Simple Styled Mounts for Custom Chopper, Cruiser, Bobber or Cafe Racer. Adjustable Mounting Hole to Raise Your Mirrors Up and Out. Upgrade your Bike with A More Attractive Look! Easy Installation. No Modification Package includes: One Pair of Motorcycle Mirror Risers (Left & Right) + 2X 10MM Mounting Bolts & Washers Compatible With: Fit most custom bike with 10mm mirrors (chopper, cruiser, bobber or cafe racer ect.). Note: Do Not fit for Yamaha