Power upgrades
Motor, controller and battery combos are only listed when seller or manufacturer listings show the parts fit the bike and work together (voltage, connectors or harness, mounting).
Sur-Ron Ultra Bee 24.5kW: VTB powertrain
- MotorVTB 41kW Ultra Bee Motor$899Charged Cycle Works, checked 2026-10-18
- ControllerVTB V9600 Aetos Pro Gen.2 Controller$1,099Ventus Bikes USA, checked 2026-10-18
- ElectricalVTB Aetos Gen.2 Bike-Specific Harness Kit (for Aetos Pro / Max / Ultra)$60TB Electric Moto, checked 2026-10-18
- BatteriesDHS 72V 65Ah Race Battery (61kW)$2,599Charged Cycle Works, checked 2026-10-18
Power upgrade total: $4,657
See fit evidence, estimated system power and the limiting part
Talaria Sting R MX4: EBMX + eWatt 72V powertrain
- MotorEBMX XTA-60 Talaria Motor$999Charged Cycle Works, checked 2026-10-18
- ControllerEBMX X-9000 V3 Controller Kit with Talaria MX3/MX4/MX5 Harness$1,199Charged Cycle Works, checked 2026-10-18
- BatterieseWatt 72V 63Ah Race Battery$2,990E-WATT USA, checked 2026-10-18
- ChargerCharged Cycle Works 72V 15A Fast Charger (for eWatt / CCW 72V batteries)$160Charged Cycle Works, checked 2026-10-18
Power upgrade total: $5,348
See fit evidence, estimated system power and the limiting part
Prices and stock were checked on the retailer’s page on the date shown and can change. Confirm fitment, price and stock before you buy. Some links are affiliate links (disclosure).