Ninety One ViperX
by Ninety One
Category: Electric
The Ninety One ViperX is a Electric bike from Ninety One. It's built around a hi-tensile tig-welded steel frame frame and a 91 tuff shox suspension fork with mechanical lock out fork. Equipped with f/r mechanical disc brakes brakes. Rolls on 27.5"/69cm wheels with Hi-Traction Nylon 27.5" X 2.1" Wide with Front QR tyres.
Ninety One ViperX Specifications
Frame & Fork
| Frame | Hi-Tensile Tig-Welded Steel Frame |
| Fork | 91 Tuff Shox Suspension Fork with Mechanical Lock Out |
Brakes
| Brakes | F/R Mechanical Disc Brakes |
Cockpit & Seating
| Handlebar | Durable Steel Threadless Handlebar with Alloy Stem |
| Saddle | Premium Quality Comfortable Saddle |
Electric
| Battery | 9.0Ah Detachable Li-ion Battery IP65 Water-Resistant |
| Display | IP65 Smart Color Display with Speed Battery and Trip Indication; 36V 15A Controller |
Drivetrain
| Crankset | Durable Steel Cotterless 91 |
| Bottom Bracket | Fully Sealed Cartridge with Precision Bearings |
Wheels & Tyres
| Rims | Double-Wall Rust-Free Alloy Rim |
| Wheel Size | 27.5"/69cm |
| Tyres | Hi-Traction Nylon 27.5" X 2.1" Wide with Front QR |
Other Specifications
| Accessories | 91 Premium Kit (Integrated Light-Horn + Heavy Duty Lock + Heavy Duty Mudguards + Helmet + Utility Bag) |
| Highlights | 9.0 Ah Li-ion Detachable Battery; Hi-Power 250-watt BLDC Motor; 7-Hi Speed Shimano Acera Gears; E-Brake with Power Cut off; Range* - Pedal Assist: 45KM+ Throttle: 25KM+ |
| Age | 13+ Yrs |
| Height | 5'5"-5'11" |
| Battery Case | IP65 Detachable Case with Key (charge at home) |
| Motor | High-Power 36V 250W BLDC Motor, IP65 Water-Resistant |
| Electronic Lock | Full Throttle with Key Lock Bicycle powers on only with the key |
| E Brakes | E-Brakes Levers with Automatic Brake cut-off for safety |
| Charger Pin | On Battery with Rubber Cap Easy to Access |
| Range | **Pedal Assist: 45 km+ |
| Driving Mode | Pedal 12 Magnet Sensor 5-Speed Auto Pedal Assist Cruise Throttle |
| Shifting | 7 Speed |
| Derailleur | Shimano Acera 7-Speed Rear Derailleur |
| Stickers | Premium Water Transfer Decals in Vibrant Colors |
| Cabling | High-End (IP65) All Julet-Styled Waterproof Connector |
| Packaging | 90% assembled (Pack of 1) |
| Warranty | Battery: 2Y | Motor: 1Y | Electricals: 6M | Frame: 5Y |
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Frequently Asked Questions
Common questions about Electric bikes like this one.
What brakes does the Ninety One ViperX use?
The Ninety One ViperX is equipped with F/R Mechanical Disc Brakes.
What wheel size does the Ninety One ViperX come in?
The Ninety One ViperX comes with 27.5"/69cm wheels.
How far can I ride on a single charge?
Range depends on the battery capacity and the assist level used - check the specific bike's spec table for its rated range.
Can I still pedal an electric bike without the motor?
Yes - turning off the motor assist lets you ride it like a regular bicycle, useful if the battery runs low.
Is the battery weatherproof?
Most electric bike batteries are rated to standard water-resistance levels and can handle rain, though they shouldn't be submerged.
Does an electric bike need special servicing?
No - beyond the usual cleaning and chain care, the motor and battery components are largely maintenance-free.
What's covered under an electric bike's warranty?
Typically the frame, motor, and battery are covered separately, with terms varying by brand - check the specific listing for details.