kinetic-turntable-riser-ring
kinetic-turntable-riser-ring, Kinetic Rear Wheel Trainer Accessories.Kinetic Trainer AccessoriesFeatures a swiveling base that allows the front wheel to move freely and helps a rider perfect their techniqueFour available heights, the riser ring is designed to meet the needs of riders who want a level bike when they train or riders who want to simulate riding uphill on their trainer