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Product Description

The Eunorau E-FAT-MN is a compact folding fat tire electric bike built for urban commuters and outdoor adventurers who need portability without sacrificing capability. A 500W rear hub motor (750W peak) delivers 80 Nm of torque for swift acceleration and hill-climbing, while a removable 48V 12.5Ah lithium-ion battery provides 40–50 miles of range per charge. 20" × 4.0" Kenda fat tires handle sand, snow, mud, and uneven city streets. Folding frame and telescoping stem collapse for car trunks, closets, and tight office spaces. UL 2849 certified.

  • 500W rear hub motor — 80 Nm torque (750W peak) — swift acceleration and confident hill-climbing; 20 mph top speed; thumb throttle; 0–5 level intelligent PAS.
  • 40–50 mile range — 48V 12.5Ah removable battery — battery detaches for indoor charging; US standard 2.0A smart charger; K-LCD5 display panel.
  • 20" × 4.0" Kenda fat tires — puncture-resistant; maximum grip on sand, snow, mud, and rough pavement; 20" black alloy rims.
  • Folding frame + telescoping stem — 6061 aluminum alloy — collapses for car trunk, RV, or closet storage; folding nylon pedals; adjustable handlebar stem.
  • UL 2849 certified electrical system — rigorous safety compliance; 160mm Promax mechanical disc brakes with motor cutoff; Shimano 7-speed drivetrain.
  • 330 lb payload capacity — rear rack included — rear utility rack supports up to 55 lbs; full-coverage mudguards; LED front light; display-controlled taillight; saddle height 32.6"–39.8".

Specifications

Specification Details
Motor 48V 500W brushless hub (750W peak), 80 Nm torque
Battery 48V 12.5Ah lithium-ion (removable)
Range 40–50 miles
Max Speed 20 mph
Charger US standard 2.0A smart charger
Controller 48V 20A
Display K-LCD5 panel
Pedal Assist 0–5 level intelligent PAS
Throttle Thumb throttle
Drivetrain Shimano 7-speed; Shimano Altus rear derailleur; 48T chainring
Crank 170mm forged aluminum alloy
Brakes Promax 160mm mechanical disc, motor cutoff
Tires Kenda/Chaoyang 20" × 4.0" fat tires
Rims 20" black alloy
Frame 6061 aluminum alloy, folding
Stem Telescoping; 260mm base + 140mm extension; 25.4mm clamp
Handlebar Adjustable stem
Saddle Comfort saddle; height to ground 32.6"–39.8"
Pedals Folding nylon pedals
Payload Capacity 330 lbs
Rear Rack Capacity 55 lbs
Bike Weight 62 lbs (28 kg)
Recommended Rider Height 5’1" – 6’1"
Box Dimensions 57.1" × 13.8" × 30.3" (145 × 35 × 77 cm)
Safety Certification UL 2849
Lights LED front light; display-controlled taillight

Resources

Before You Buy — What You Should Know

Shipping: Ships free to the contiguous United States. Contact our team for estimated delivery timelines before ordering.

Folding design: The frame folds and the stem telescopes for compact storage. Folding nylon pedals keep the footprint minimal when stored.

UL 2849 certified: The electrical system meets UL 2849 safety standards — one of the most rigorous certifications for e-bike electrical components.

Who It’s For: Urban commuters, apartment dwellers, and travelers who need a capable fat tire e-bike that folds for easy storage and transport. The 4.0" tires handle rough city streets and light off-road surfaces without sacrificing portability.

Support: Our team can help with fit and model comparisons. We’ve done the research. You make the decision.

You May Also Like

  • Eunorau FLASH LITE 2.0 — non-folding fat tire e-bike with 220-mile multi-battery range and 4-piston hydraulic brakes.
  • Eunorau FLASH AWD 1.0 — dual motor AWD fat tire e-bike for maximum traction on sand, snow, and steep terrain.
  • Eunorau META20 1.0 — lightweight folding commuter e-bike for riders who prioritize minimal weight over fat tire capability.

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