δ S4: Young+, Thunder Green (Pre-order)
δ S4: Young+, Thunder Green (Pre-order)
δ S4: Young+, Thunder Green (Pre-order)
δ S4: Young+, Thunder Green (Pre-order)
δ S4: Young+, Thunder Green (Pre-order)
δ S4: Young+, Thunder Green (Pre-order)
δ S4: Young+, Thunder Green (Pre-order)
δ S4: Young+, Thunder Green (Pre-order)
δ S4: Young+, Thunder Green (Pre-order)
δ S4: Young+, Thunder Green (Pre-order)

δ S4: Young+, Thunder Green (Pre-order)

€799,00 Sale • Save

or 4 payments of €199,75/2-week with

The DiRally δ S4 mini dirt bike uses a race-grade inverted front fork and a 750-lb spring shock to deliver smoother, more responsive damping, absorbing bumps easily and giving kids stable control as they tackle trails and build off-road skills.

Dirt Bike * 1 (85% assembled)
Battery * 1 (Installed)
Charger * 1
Toolkit * 1
Front tire * 1
Handlebar * 1
Foot Pegs * 1
Front Fender * 1
Owner's Manual * 1

3 - 9 Days Delivery
Local Pickup Available (Appointment)
DOES NOT Support Overnight Delivery

Learn More about Shipping

Our limited 1-YEAR warranty covers all Eahora bikes. All components and parts are promised zero material, quality, and workmanship defective. We will provide replacement item(s) for free if there's such issue(s) to find during the warranty period.
The Warranty Period begins (no need to register) upon your receipt of the ebike and shall end immediately upon the earlier of the end of the Warranty Period.
Learn more about Warranty

In stock now, ships within one business day.

Color Thunder Green
Flame Red
Thunder Green
δ S4: Pro, Lava Orange (Pre-order)
Adding to Cart Added to Cart

Custom Accessories

40N·m

for throttle

range per charge

39–56 km

36V 374.4Wh

10.4 Ah battery

Ace δ S4 Young+

1/3 S4 Young+ All-Terrain Ride System

Long-Range Battery

Fueled by a 36V 10.4Ah lithium battery, the S4 delivers 120–150 minutes of non-stop riding and up to 35 miles per charge, keeping every young rider’s adventure rolling longer.

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2/3 S4 Young+ All-Terrain Ride System

3-Speed Mode

Three safe ride modes (10 / 19 / 25 km/h) let young riders adjust their speed as they grow, enjoy smoother control, and gain confidence at every stage of their journey.

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3/3 S4 Young+ All-Terrain Ride System

Full Suspension System

The inverted front fork with dual 16-inch shocks and 750lb springs smooths out bumps and improves stability, giving young riders a more comfortable ride and safer control on uneven terrain.

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Size & Geometry

Recommended Rider Height: 3'11" – 5'3" (119–160 cm)

A - Length: 48.4" or 123cm

B - Wheel Base: 32.7" or 83cm

C - Height: 22.8" or 58cm

D - Handlebar Height: 33.5" or 85cm

E - Tire Diameter: 16" or 40cm

F - Ground Clearance: 7.09" or 18cm

G - Reach Distance: 9.4" or 24cm

H - Down Tube Length: 16.5" or 42cm

I - Width: 22.8" or 58cm

RIDERS ARE ALSO HAPPY WITH S4 YOUNG PLUS

250W Brushless Motor

With 250W peak output, the brushless motor powers through climbs, rocks, and rugged trails effortlessly. Its efficient design delivers strong acceleration and steady control, while the quiet, low-maintenance build ensures durable, consistent performance.

16" Inverted Front Fork

Inverted front fork with dual 16-inch shocks provides precise damping and rigid support for enhanced stability and traction.

Full-Color Display

Speed, battery, and distance displayed clearly and accurately.Simple and intuitive operation for precise control.

Waterproof Wiring

Sealed wiring resists rain, splashes, and wear, ensuring durable, reliable performance over time.

18cm Ground Clearance

High clearance adapts to varied terrain. Enables smooth riding over rocks, roots, and uneven surfaces.

Pro Hydraulic 160mm Discs

160×2.0mm hydraulic discs deliver smooth control with professional precision, providing young riders reliable and consistent stopping power across any terrain and challenging off-road conditions.

EXPLORE MORE ABOUT S4 YOUNG +

Technical Specifications

*To ensure uninterrupted suppluying and shipping, some parts may differ from those listed.
Rest assured, our engineers rigorously test each component to guarantee quality and compatibility.

Basic Specs

  • Top Speed
  • 25 km/h
  • Speed Modes
  • 10 / 19 / 25 km/h, 3 selectable speed settings
  • Range per Charge
  • 39 – 56 km
  • Maximum Load
  • ≤ 80 kg to ensure performance and safety
  • Rider Height
  • Recommended height: 3'11" – 5'3" (119–160 cm)
  • Bike Weight
  • 26 kg with the battery

Electronic System

  • Motor
  • 250W brushless motor, max torque 40 N.m    
  • Battery Capacity
  • 36V 10.4Ah (374.4Wh)
  • Controller
  • 36V integrated controller with waterproof potted wiring
  • Battery Charger
  • 36V 2A smart charger; charging time: 4–6 hours
  • Display/Dashboard
  • Full-color display showing speed, battery level, and riding distance
  • Wiring Harness
  • IPX4 waterproof rating; resistant to rain, splashes, and abrasion

    Bike Components

    • Braking System
    • Hydraulic disc brakes with motor cut-off function
    • Brake Rotor
    • 160mm (φ) x 2.0mm (t) steel rotor
    • Rear Suspension
    • 750lb coil shock absorber, 25mm travel
    • Front Fork
    • 16" inverted suspension fork, 40mm travel
    • Grips
    • Non-slip ergonomic rubber grips
    • Tire Type
    • 16" x 2.4" tires with inner tubes    

      FAQ & Reviews

      The battery typically takes 4–6 hours to fully charge from empty. To help extend battery life, it is recommended to maintain the charge level between 20% - 80% and store the battery in a cool, dry place when not in use.

      The dirt bike supports riders up to 176 lbs (80 kg). Staying within the recommended weight limit helps ensure optimal performance, stability, and a safer riding experience.

      The dirt bike arrives partially assembled and requires only a few simple steps before the first ride, such as installing the handlebars and front wheel. A clear step-by-step assembly video is included, and most customers can complete the setup in just 20–30 minutes.

      Battery life depends on factors such as rider weight, terrain, riding style, and speed. Under Ideal riding conditions, the bike provides up to 35 miles of riding range on a full charge.

      Regular maintenance is simple. Before each ride, check the tire pressure, brakes, and battery charge. Keep the bike clean after riding and inspect bolts and moving parts periodically to ensure safe and reliable performance.

      Ride Now, Pay Later

      Accept multiple flexible payments so you can pay the way you like.

      Free Bike Shipping

      All ebikes to available area of American & Canada.

      1 Year Warranty

      All-inclusive warranty to ensure your confidence riding.

      Top-Rated Rider Support

      Promptly and thoughtful service to ensure happy riding.