Lemon 3 zone cymbals (triple zone) are fully compatible with all modules that support Roland cymbals (Roland / 2Box / ATV / Pearl Mimic / Alesis / Millenium etc.) These triple zone cymbal are available in two sizes; 15″ and 18″. Both are perfect for use as a 3 zone ride, but can be utilised as 2 zone crash if preferred making them a very versatile option. Durable Lemon build quality. Rotation stopper included. Standard 1-year warranty.