Moto-Master Halo front brake disc ABE & TUV approved; Stainless; left/right; 11.8" / 300mm OD; Open center with 13.9 x 17.9mm cross cut mount holes; 6.70" bolt circle; 8.7mm (5/16") counter bored mounting holes; For OEM and aftermarket cast wheels with direct mount floating rotor Fits 09-20 Touring; 09-20 Trike (with open cast wheels)