300/350 - 10 100/90 19 Avon Motorcycle Tube TR87 Right Angle Valve. 325/350 - 18 or 100/90 110/80 18 Avon Motorcycle Tube TR4 Straight Valve. 500/510 - 17 or 130/90 140/80 150/70 160/60 160/70 Avon Tube Straight Valve.
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