DVO Mounting Hardware 15. 0 x 8mm DU Required Shock Mounting Hardware If you're installing a shock on your mountain bike, you'll want some shock mounting hardware. The DVO Mounting Hardware is designed to work with the DVO Topaz or DVO Jade rear shocks. You'll need two kits for a single rear shock. Features Designed for the DVO Topaz or DVO Jade rear shocks Two kits needed for a single rear shock Measurements: 15. 0 x 8mm | Dvo | Mounting Hardware 15. 0 X 8Mm Du Required 15X8Mm