Innovative single-sided design allows easy access to spokes and nipples15 mm axle fits most modern street and dirt bikes and many mini bikesPrecision-built tool for building, truing and balancing wheelsCones work with wheel bearing I.D. from 18 mm to 32 mmSimple folding design for easy storage when not in useHigh-quality bearings allow precise wheel balancingCan be used with dial indicators (not included)Hub cones hold wheel firmly in placeAdjustable pointer for truing wheelsNot designed for use with single-sided swingarm wheels or wheels with centerless hub.