Quick-release lock on outer cone is easy to operate and holds wheel securely Innovative single-sided design allows easy access to spokes and nipples 15 mm axle fits most modern street and dirt bikes and many mini bikes Precision-built tool for building, truing and balancing wheels Simple folding design for easy storage when not in use High-quality bearings allow precise wheel balancing Adjustable pointer for truing wheels. TOOL TRUING-BALANCE STAND