Universal 3-Spoke Indy Open Series Racing Steering Wheel (OD/2017/NN) by OMP®. Handgrip: oval, 30x20mm. Wheel Diameter: 9.84' / 250mm. Grip Material: Suede. Indy Open is a competition steering wheel designed for use in single seater race cars. It is supplied un-drilled in a 3 spoke flat bottom, cut off top design which allows better clearance and access for the driver. This Steering Wheel is universal and requires OMP Wheel Mounting Hub for proper installation in your specific vehicle.