The key differences between the Roadster V3 and Roadster V2 center around enhanced performance, improved technology, and premium components in the v3. The Roadster V3 features a more powerful and more quiet 500W angled-gear hub motor (versus the V2’s 350W motor), a superior Intui-Drive torque sensor system refined with the motor and controller for smoother and more responsive pedal-assist (versus the V2’s cadence sensor), Tektro hydraulic brakes (versus pivot rim or mechanical disc brakes) and in addition to the a Dayco Power Carbon belt drive. The chain version features the microShift SL-M819, a premium gear set renowned for its durability and reliability across diverse riding conditions. Moreover, the V3 comes with high-end features like an integrated, lockable and removable Samsung cell battery, Addix compound, Super Race carcass construction Schwalbe G-One RS tires or Pirelli Cinturato tires, and the advanced Velofox vivid-color display, offering a premium and luxury riding experience at an affordable cost.