The NTS51913 is a high quality battery from Numax. The cold cranking current of the battery is 230 A. The dimensions of the product are 183 x 79 x 171 mm. You should use the dimensions of your old battery as a guide for your selection.Durable AGM technology for your vehicleThe NTS51913 has a capacity of 21 Ah. The higher the value, the more electrical charge can be stored in the battery.AGM batteries like the NTS51913 are suitable for motorcycles with high energy requirements. They have a long cyclic life and are vibration-resistant.You should consider this when buyingBefore you buy, check that the circuit and polarity of your new battery are identical to the values of the old model. The circuit shows whether the positive pole is on the right or left of the battery. To determine this, position the battery so that the poles are facing you. With the NTS51913, the circuit is 0, so the positive pole is on the right.