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A distance between the bead seats (for the tire), as measured in the plane of the rim and through the axis of the hub which is or will be attached, or which is integral with the rim. Width (effective) A separation distance between opposed rim flanges. The flange-to-flange width of a rim should be a minimum of three-quarters of the tire section ...
The width is the inside distance between the bead seat faces. The offset is the distance from the wheel's true centerline (half the width) to the wheel's mounting surface. Offset is covered in more detail below. A typical wheel size will be listed beginning with the diameter, then the width, and lastly the offset (+ or - for positive or negative).
Semi-aerodynamic [clarification needed] and aerodynamic wheelsets are characterized by greater rim depth, which is the radial distance between the outermost and the innermost surfaces of the rim; a triangular or pyramidal cross-section; and by fewer numbers of spokes, or no spokes at all—with blades molded of composite material supporting the ...
Bright Angel Trail head on the south rim. Havasupai Gardens (bright green riparian patch in the middle-far distance) and Three Mile Resthouse (right foreground) along Bright Angel Trail. The trail originates at Grand Canyon Village on the south rim of the Grand Canyon, descending 4380 feet to the Colorado River. It has an average grade of 10% ...
where is the force on the front tires, is the force on the rear tires, is the distance from the CM to the rear wheels, is the distance from the CM to the front wheels, is the wheelbase, is the mass of the vehicle, is the acceleration of gravity (approx. 9.8 m/s 2), is the height of the CM above the ground, is the acceleration (or deceleration ...
The distance travelled by the larger circle is equal to its circumference, but for the smaller it is greater than its circumference, thereby creating a paradox. The paradox is not limited to wheels: other things depicted in two dimensions display the same behavior such as a roll of tape, or a typical round bottle or jar rolled on its side (the ...
d = distance from the center of hub (along the axis) to flange, for example 30 mm, r 1 = spoke hole circle radius of the hub, for example 19.5 mm, r 2 = half of effective Rim Diameter (ERD), or the diameter the ends of the spokes make in a built wheel (see 'Discussion' attached to this article for explanation) of the rim, for example 301 mm,
A 1- or 2-digit number indicating the diameter, in inches, of the rim that the tires are designed to fit. There is the rare exception of metric-diameter tires, such as the use of the 390 size, which in this case would indicate a rim of 390 mm in diameter. Few tires are made to this size currently.