eBike Jupiter Defiant ST - Black - In a Box
Jupiter Defiant ST - Black - In a Box Electric BikeJupiter authorized dealer in San Diego & EscondidoEZE Ryders supports riders in Escondido, San Diego, and the wider Southern California area with local pickup options alongside nationwide shipping.Designed with compact urban riding in mind, the Jupiter Defiant ST - Black...
Jupiter Defiant ST - Black - In a Box Electric Bike
Jupiter authorized dealer in San Diego & EscondidoEZE Ryders supports riders in Escondido, San Diego, and the wider Southern California area with local pickup options alongside nationwide shipping.
Designed with compact urban riding in mind, the Jupiter Defiant ST - Black - In a Box combines approachable size, practical utility, and everyday electric-bike convenience. Its responsive motor works with twist-throttle control and electric assist to provide smooth assistance up to 20 mph / adjustable to 28 mph, while a practical battery system and useful everyday range make it a strong fit for shorter daily trips. Its compact proportions help keep the ride manageable and approachable. compact wheels and city-friendly proportions help the bike stay practical for everyday use.
Key Features
- High-torque geared hub motor: 750W (sustained) / 1130W (peak) geared hub motor for strong acceleration and confident climbing.
- Adjustable top speed: Max speed 20 mph / adjustable to 28 mph.
- Long-range battery system: 48V 13.2Ah lithium ion battery paired with a max range of 50 miles.
- Comfort-focused suspension: Front & rear suspension for improved control and comfort across mixed surfaces.
- 20" x 4" spoke wheels: Fat-tire stance for stability and traction.
- Shimano shifting performance: 7-speed drivetrain with Shimano Altus derailleur and paddle shifter.
- Hydraulic braking: Hydraulic brakes for smooth, consistent stopping power.
- Commuter-ready finishing kit: Full city style fenders, leather grips, and a MIK compatible rear rack included.
Specifications
| Feature | Details |
|---|---|
| Wheel | 20" x 4" Spokes |
| Max Speed | 20 mph / adjustable to 28 mph |
| Max Range | 50 miles |
| Lithium Ion Battery | 48V 13.2Ah |
| Suspension | Front & Rear |
| Drivetrain | 7 Speed |
| Geared Hub Motor | 1130W (Peak) / 750W (Sustained) |
| Throttle | Twist |
| Derailleur | Shimano Altus w/ Paddle Shifter |
| Brakes | Hydraulic |
| Fender | Full City Style |
| Grips | Leather |
| Rear Rack | MIK Compatible Included |
Assembly & Build Options
The “In a Box” option is delivered in the manufacturer’s original packaging and arrives unassembled.Professional assembly will be required prior to riding, including proper installation, torque verification,and a complete safety inspection of all components.
This option does not include assembly services, safety inspection, tuning, or ongoing service support from our retail location.All warranty claims, technical support, and product-related concerns must be handled directly with the manufacturer throughtheir official support channels.
Warranty & Manual
Manufacturers Warranty: https://www.jupiterbike.com/warranty
User Manual: https://www.jupiterbike.com/defiant-st
Why Choose This Model?
What helps the Jupiter Defiant ST - Black - In a Box stand apart is the way it combines compact proportions with practical electric-bike capability. With its responsive motor, speeds up to 20 mph / adjustable to 28 mph, compact setup, its battery system, and useful daily range, it presents a useful balance of approachability and everyday function.
Customers shopping with EZE Ryders may appreciate how naturally it fits into short trips, errands, and everyday transportation.
Explore More
Browse more compact and commuter-oriented eBikes at EZE Ryders, with models selected for daily utility, urban comfort, and practical long-term ownership.
At EZE Ryders, customers can compare a wide range of premium eBikes with local support serving Escondido and San Diego, plus shipping available across the USA.
