How fast is a 72v sur ron?

The speed of a 72V Sur-Ron electric bike can vary depending on several factors, including the specific model, rider weight, terrain, and riding conditions. Generally, the top speed of a Sur-Ron electric bike can range from 40-60 mph (64-96 km/h). However, it's worth noting that riding an electric bike at maximum speed may not be legal or safe in certain areas. Always check your local laws and regulations regarding electric bike speed limits before riding.