High-Performance Powertrain. Powered by a 97V battery, the SIGMA 2025 delivers an impressive 22kW of power for explosive acceleration. Built for riders who demand speed and responsiveness, this electric bike combines cutting-edge battery technology with a robust motor system designed to handle demanding terrain and sustained high-speed riding. The advanced power management system ensures efficient energy distribution, maximizing range while maintaining peak performance. Whether you're tackling steep climbs or cruising at speed, the SIGMA 2025 responds instantly to rider input, making it ideal for both competitive cyclists and serious enthusiasts. Engineered for durability and reliability, this model features a reinforced frame and premium components that withstand the demands of high-performance riding. The 97V battery provides extended range without sacrificing weight, giving you the freedom to ride longer and harder. Experience the next generation of electric cycling with the 2025 SIGMA—where power meets precision.