Ryuga 81kW Hairpin Motor
The Ryuga 81kW is VTB's flagship hairpin motor — a staggering 81 kW peak at 96 V, 114 N·m of torque and 14,000 rpm, with 95% efficiency and IP67 sealing. Engineered for the Ultra Bee and finished in eight colours, it pairs race-grade performance with 250 °C insulation and natural air cooling for relentless, repeatable power. When you want it all.
Why buy from us
Australian Owned
Local business, local support
Fast Shipping
Most orders 2-day express
Secure Checkout
SSL encrypted payment
Authorized Dealer
Every brand we sell
Exact Fit
Guaranteed compatibility
Expert Support
Call or text us anytime
In stock & ready to ship — all orders dispatched from Melbourne, VIC
Ryuga 81kW Hairpin Motor
VTB's flagship hairpin motor. Race-grade performance for the Ultra Bee — 81 kW peak, 114 N·m and 95% efficiency, sealed to IP67. When you want it all.
Technical Specifications
Performance
Technology
Design
Ownership
Available Finishes
Bike Fitment
The Ryuga 81kW is engineered specifically for the Sur-Ron Ultra Bee on a 96V platform. Building on a smaller-wheel bike? The Ryuga 52kW sibling covers those models.
Ryuga 81kW — Direct Fit
- Sur-Ron Ultra Bee
Ryuga 52kW — Sibling Fitment
- Sur-Ron Light Bee
- Sur-Ron V1+
- Rerode R1
- E-Ride Pro
- 79bike
Always confirm your battery voltage and controller can support the Ryuga 81kW's output. Not sure it fits your build? Contact the RidePanther team.
Highlights
Specifications provided by VTB (Ventus Bikes) and subject to change. Performance figures are peak values measured under test conditions; real-world output depends on your battery, controller and setup. Fitting high-output motors can affect your warranty and should be carried out by a competent technician. Always ride within your ability and local laws.