Quantum Tek QT107 A second all new style from Quantum Tek for 2008, the QT107 is a star-like design with machined edges on the spokes of the star and machine polished lip, making the QT107 at first seem like the spokes are hollow, or have a split-spoke design. The QT107 is available in 17, 18 and 20 inch sizes for many different cars. Do a search by vehicle to see if the QT107 will fit you rcar, and to make wheel and tire packages for your car.