- Tailor-made hub shell and Dynamo technology from Shutter Precision - Rugged construction allows the Dynamo hub to withstand the rigors of your off-road riding, including rough terrain, heavy loads and exposure to the elements - The SP PL-7 generator incorporates one of the most efficient technologies. At 15 km/h, while delivering a standard output of 6 volt/3 watts (6V3W), 4.2 watts of your rolling power are used to power the lights - Compliant with German road traffic regulations (StVZO), it is designed to provide adequate visibility for riders and other road users, reducing the risk of accidents. Additionally their 6V3W rating ensures compatibility with standard hub dynamo products including Dynamo lamps and converters for USB powered devices
