Enjoy The Ride, For Longer.The JetBlack Rocker Plate will protect your body and your bike from the pressures of indoor cycle training and will give you a supreme ergonomic experience.The slight movements of the Rocker Plate relieves pressure points on the sit bones, wrists and shoulders enabling you to ride more comfortably for longer.Choose the JetBlack Rocket plate to improve the comfort of your indoor cycling workouts. For an optimal user experience, we recommend pairing the Rocker Plate with JetBlack's Turning Riser Block.**Key Features:*** Compatible with nearly every brand of trainer available* Dimensions: 1630mm long x 880mm* Material: Veneer coasted plywood* Adjustment: Customise your experience with up to 13 degrees of rocking range* Weight: 27kg**What's in the box?*** JetBlack Rocker Base and Upper Board (joined)* 4 x inflatable balls* 1 x pump* 1 x spirit level* 6 x Velcro straps**Rocker Plate Set Up*** To ensure the best experience from your rocker plate, we recommend inflating the balls between 2 and 8 Psi.* For lighter riders and a softer ride, we recommend between 2 and 4 Psi. * For heavier riders or a firmer ride, 4 to 8 Psi. * Please do not inflate the balls higher than 8 Psi. This may cause the balls to burst during use