Eunorau E-FAT-STEP | 500W Low Step-Through Folding Fat Tire E-Bike

The Accessible Adventure. Step Through. Fold Flat. Ride Anywhere.

Zero flexibility gymnastics required. The Eunorau E-FAT-STEP combines an ultra-low step-through frame with fold-flat portability and beach-ready 20" × 4.0" fat tires. Powered by a punchy 500W geared rear hub motor (80Nm torque), a tool-free adjustable ergonomic stem, and responsive hydraulic disc brakes, this 63 lb machine delivers smooth, stable, and confidence-inspiring power across sand, gravel paths, RV campsites, and neighborhood pavement.

KEY SPECS

• ⚡ Class: Class 2 (20 MPH Throttle + Pedal Assist)
• 🔋 Motor: 500W High-Torque Geared Rear Hub Motor (80Nm Torque)
• 🔌 Battery: 48V 12.5Ah (600Wh) Removable Seat-Tube Lithium-Ion
• 🛣️ Range: 30–40 Miles (Throttle/High Assist) | 45–55 Miles (Low PAS)
• 🛞 Tires: 20" × 4.0" Kenda All-Terrain Fat Tires
• 🛤️ Suspension: Front Suspension Fork + Spring-Cushioned Ergonomic Saddle
• 🛑 Brakes: Mineral Oil Hydraulic Disc Brakes (160mm Rotors + Motor Inhibitors)
• ⚙️ Drivetrain: Shimano 7-Speed Gearing with RevoShift Grip Shifter
• 📐 Stem: Tool-Free Telescoping Quick-Release Adjustable Stem (0–135mm Height Range)
• ⚖️ Weight & Payload: 63.0 lbs Net Weight | 330 lbs Maximum Total Payload Capacity
• 🔄 Folded Dimensions: 39" L × 23" W × 29" H (Fits into RV bays, trunks, and closets)

WHO'S THIS FOR

Built for riders who want outdoor freedom without physical strain. Whether you're an active senior looking for a bike you can step straight through without tipping, an RV traveler needing two compact bikes that fit in an underbelly storage bay, or a weekend cruiser heading to the coast, the E-FAT-STEP eliminates every friction point.

What you can do:

• Step straight through the frame at knee height (16" standover)—no swinging your leg over a high bar.
• Adjust handlebar height from 0 to 135mm in seconds without tools to fit riders 5'1" to 6'1".
• Stop effortlessly with dual hydraulic disc brakes requiring 50% less hand-grip force than cable brakes.
• Float over soft beach sand, loose gravel, and cracked pavement on 20" × 4.0" Kenda fat tires.
• Fold down the frame and stem in under 60 seconds into a compact 39" × 23" package for RV or car transport.
• Cruise at 20 MPH or conquer neighborhood overpasses with 80Nm geared hub torque and thumb throttle.
• Arrive fully equipped with metal fenders, a welded rear cargo rack, and an integrated LED headlight.

WHAT THIS BIKE ACTUALLY SOLVES

1. The “High Step-Over” Hip & Knee Strain
The Problem: Traditional e-bikes require you to tilt a 60+ lb bike and swing your leg high over a top bar. For riders with hip, knee, or back stiffness, this creates severe balance instability and fear of falling.
The Solution: A swooping ultra-low step-through frame drops the clearance down to knee level (16 inches). You simply step directly through the center of the frame with both feet planted on the ground, sit upright, and pedal away with total stability.

2. The “Hunched-Over” Neck & Wrist Fatigue
The Problem: Fixed-stem bikes force taller or shorter riders into an unnatural forward lean, causing numbness in wrists, compressed shoulders, and lower back ache after just 15 minutes.
The Solution: A heavy-duty telescoping aluminum stem features a tool-free quick-release clamp. Raise or lower the handlebars up to 135mm on the fly, locking in a perfectly upright, relaxed “porch cruiser” posture.

3. The RV & Apartment Storage Headache
The Problem: Full-size fat tire e-bikes require heavy hitch-mounted vehicle racks and consume half of a garage or RV living space.
The Solution: Dual-action folding latches on the central frame and handlebar mast collapse the bike down to 39" × 23" × 29". It slides smoothly into RV basement compartments, SUV cargo trunks, or apartment closets with zero hassle.

REAL-WORLD RIDING SCENARIOS

Scenario 1: The Coastal RV Weekend at Port Aransas
You pull into an RV resort on Mustang Island. Within 3 minutes of parking, you open the storage bay, unfold two E-FAT-STEP bikes, latch the security levers, and head down the boardwalk. The 20" × 4.0" fat tires roll right over soft beach sand without sinking. You cruise along the shoreline at 15 MPH with the Gulf breeze at your back. When you reach the beach cafe, you use gentle single-finger hydraulic braking to glide to a stop.
The Win: Fast, tool-free deployment, zero transport rack needed, and effortless flotation on sand.

Scenario 2: The Neighborhood Morning Coffee Run
It’s 8:00 AM on a crisp Saturday. You step through the low frame in casual clothes—no athletic wear or stretching needed. You adjust the handlebars to an upright posture and twist the thumb throttle to cruise 4 miles across town to the local bakery. You load two boxes of pastries and fresh coffee into your rear rack pannier bags and cruise back over a steep highway overpass with the 500W motor humming quietly.
The Win: Zero joint stress, full upright visibility in traffic, and practical everyday errand utility.

CUSTOMIZE YOUR RIDE: COMPATIBLE ACCESSORIES

Equip your E-FAT-STEP with direct-fit accessories from our live catalog:

• Kryptonite Keeper Hardened Steel Chain Lock — 47" hardened chain to secure your folding e-bike at coffee shops or RV campsites.
• Kroozie Deluxe Handlebar Cup Holder — Mounts cleanly to the 22.2mm handlebars for morning travel mugs.
• Big Dawg Waterproof Rear Rack Cargo Bag — Weatherproof storage that straps directly to the rear cargo rack for groceries and beach towels.
• ROCKBROS Mini 120 PSI Electric Ratchet Pump — Compact, portable tire inflator for adjusting fat tire pressure between pavement (20 PSI) and beach sand (10 PSI).
• ROCKBROS Touchscreen Phone Mount Bag — Keep maps, messages, and route tracking visible on your handlebar stem.

EUNORAU E-FAT-STEP VS. STANDARD DTC FOLDING E-BIKES