Ventus Ryuga 81kW Motor

A plug-and-play monster built specifically for the Ultra Bee.

Meet the VTB Ryuga 81 kW Hairpin Motor—the no-compromise performance upgrade for riders who want their Sur-Ron Ultra Bee to run at a truly elite level.

Engineered exclusively for the Ultra Bee platform, this motor installs as a direct plug-and-play replacement with zero modifications. Pair it with the VTB AETOS V9600 controller and you unlock a jaw-dropping 81+ kW of power, 114 N·m of torque, and instant, razor-sharp throttle response that feels surgically precise.

From brutal acceleration to sustained high-load riding, the Ryuga 81 kW is built to dominate. Its advanced hairpin stator design delivers superior efficiency, exceptional heat handling, and race-ready durability—making it the most serious Ultra Bee motor upgrade available.

For riders chasing maximum output, pro-level responsiveness, and the ability to push the platform far beyond stock limits… this is the top-tier option.

Features

• 81+ kW Peak Power
  Extreme power output when paired with the AETOS V9600.

• 114 N·m Torque
  Massive acceleration and unmatched low-end grunt.

• Ultra Bee–Specific Design
  True plug-and-play install — no cutting, no mods.

• Hairpin Motor Construction
  Higher efficiency, better thermal control, and superior performance.

• Competition-Grade Response
  Crisp, immediate throttle feel with precise motor control.

• Durable, High-Performance Build
  Designed for riders who push their machines to the limit.