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the core formed from a tubular body section having a distal end up with boat on each of the four faces of a housing of the longitudinal concave pieces of rubber and hailc to the other end a radial arm with the pivot of the wheel
the core formed from a tubular body section having a distal end up with boat on each of the four faces of a housing of the longitudinal concave pieces of rubber and hailc to the other end a radial arm with the pivot of the wheel
