Eunorau Defender-S Electric Bike: Dual-Motor Power, Dual-Battery Range, All-Terrain Mastery

If you crave unstoppable torque and comfort that cushions every mile, the Eunorau Defender-S delivers. This is not just an e-bike with more power—it’s a purpose-built machine engineered to conquer rugged trails, haul gear, and keep you riding longer between charges. With a combined 1500 watts from dual BAFANG motors and a dual-battery backbone, you’ll feel the difference from the moment you twist the throttle.

Why the Defender-S stands apart

• Twin motors, total 1500W: Two 750W BAFANG hub motors deliver tremendous torque for steep climbs, muddy sections, and steep decents—without sacrificing control.
• Dual-battery design for extended range: A 48V 15Ah chest battery paired with an optional secondary 17Ah battery unlocks truly long-range rides—up to 80+ miles under favorable conditions—so you can adventure farther between charges.
• Enduro-ready chassis: Aluminum 6061 frame with full suspension (EXA rear shock and RST 75mm front fork) absorbs rough terrain so you ride with confidence and less fatigue.
• Fat-tire stability: 26" x 4.0" KENDA tires float over roots, rocks, and soft soil while offering predictable grip in all weather and trail conditions.
• Loaded with utility: A powerful hydraulic braking system (180mm rotors front/rear), Shimano Alivio 9-speed gearing, and a 40 lux front light plus taillight for visibility in low light.
• Hunting and expedition ready: Designed to carry up to 300 lbs of payload, this bike pulls or carries gear and even game back to your vehicle with ease.

What you get with the Defender-S

Performance isn’t just about speed—it’s about how you feel while you ride. The Defender-S blends punchy torque with a plush ride so you can tackle rocky trails, sand, mud, and wet grass without constantly re-evaluating your grip or momentum.

• Payload and practicality: Maximum payload 300 lbs (136 kg) means you can load camping gear, hunting equipment, or even game without compromising handling.
• On-road legality with a punch: The bike ships with speed and power limited to 15.5 mph (25 km/h) for street use. You can unlock the speed limit for off-road use to reach up to 28 mph, giving you a legal, efficient option for trails or private-property exploration. Always ride within local laws.
• Maintenance and reliability: Hydraulic disc brakes provide consistent stopping power, while the belt of components (Shimano Alivio 9-speed, sturdy chainring, and quality fork/shock) is chosen for durability in rough conditions.

Designed for real-world use

The Defender-S isn’t just about raw power—it’s about sustainable, predictable performance across scenarios runners truly encounter:

• Trail adventures: Deep forest trails, root-laden singletrack, or loose gravel feel controlled thanks to dual suspension and fat tires.
• Hunting and field work: The ability to move quietly with ample torque and carry gear or game back to your vehicle makes it a reliable partner in the field.
• Commuting with a heavy load: The dual-battery setup helps you cover long commutes without stopping for frequent recharges.

Key specifications at a glance

• : 48V 15Ah + optional second 17Ah battery (dual battery design) — up to 80+ miles range
• : 48V 750W + 750W BAFANG hub motors (total torque ~160 N.m)
• : Up to 80+ miles depending on terrain and battery configuration
• : 77 lbs (board-to-ride weight)
• : Aluminum 6061 full suspension; EXA KS582 rear shock; RST Guide 75mm travel front fork
• : 26" x 4.0" KENDA fat tires

• : Hydraulic disc brakes with 180mm rotors (front/rear) and motor cutoff switch
• : Shimano Alivio 9-speed
• : C3 / BC182 LCD; 48V x 2 controllers
• : Front 40 lux LED, rear taillight for enhanced visibility
• : US standard 2.0A smart charger

Practical tips to maximize your Defender-S experience

• Start with the recommended tire pressure for best comfort-to-grip balance on varying terrains; the 4.0" fat tires are designed to soften impact as pressure drops slightly on rough sections.
• Utilize the dual-battery mode for longer trips. When you add the second battery, plan charging stops so you’re never surprised by a depleted pack mid-adventure.
• Experiment with pedal assist levels to find the sweet spot between range conservation and pedal-powered efficiency, especially on longer climbs.
• Remember the on-road speed limit and the off-road unlock; always follow local regulations when riding on public roads or trails.

The Defender-S is a rare combination of brute capability and thoughtful ride quality. If you’re chasing a rugged, dependable e-bike that can take you deep into the woods, haul gear back to the vehicle, or simply crush technical trails with confidence, this is the bike that makes it possible without compromise.