X35 to XS Switch Everything you need—and nothing you don',t We',re introducing an upgrade kit that allows the X35 system to be upgraded to the XS system. By replacing the internal battery with an external solution and integrating a new motor controller, we extend the product’s lifespan and improve reliability. At the same time, we reduce the weight by 13% and increase the torque by 12%. A proven platform for a lighter and more responsive riding experience that combines improved performance with a practical battery solution X35 to XS Switch. Enables improved connectivity, better access to system data, and expanded integration options. What’s been improved: App-based system updates Improved motor maps Improved connectivity (including expanded ANT+ support) Full access to system data