The Kepler e-bike features a powerful 52V 20Ah battery and a robust 1000W motor, ensuring you can travel long distances with ease. Whether you're commuting to work or venturing off-road, you can enjoy the freedom of riding without worrying about running out of power.
Kepler 52V Electric Fat Tire Ebike
Badge
Tax excluded. Shipping calculated at checkout
Top speed
28 mph
Range
65+ miles
Power
750W
Payload
370 lb
Safety
UL Certified
Torque
100 Nm
CARGO REAR RACK
$149.-
FREE
FREE
Tech
Kepler 52V Electric Fat Tire Ebike
Sale price$1,499.00
Regular price$2,099.00
X-Class 60V Power At a Glance
Why Choose the X-Class 60V?
Experience unmatched speed, comfort, and reliability with the Ariel Rider X-Class 60V. Engineered for powerful rides, built for the road ahead.
🚴 Built for Adventure
With robust construction, top-tier suspension, and industry-leading 60V performance, conquer roads, trails, and urban jungles alike.
🔋 Advanced Battery Safety & Durability
Our battery packs are reinforced with fire-retardant and water-resistant resin, providing ultimate safety and long-lasting performance.
🛣️ Ride Comfortably & Confidently
Fully adjustable suspension ensures every ride feels smooth, stable, and secure—no matter the terrain.
The Ultimate Features
Cafe Racer & Off-Road feature the armored DRL headlight for max safety, while Performance Edition has the dual-lens halo for a sleek look. Both include turn signals, high/low beams, powerful output, and a built-in horn.
Our advanced battery uses high-grade lithium cells with thermal-resistant tech, encapsulating each cell in heat-absorbing resin for greater safety, efficiency, and lifespan.
Wider 4.5” front & 5” rear puncture-resistant tires offer better grip, stability, and shock absorption, reducing flats and improving control on all terrains. A new benchmark for safety and ride comfort.
The X-Class 60V outperforms lower-voltage systems with superior torque, extended range, and advanced safety, offering unmatched power on all terrains.
The 15Ah second battery extends range drastically, letting you ride longer without recharging. It comes standard on the Performance Edition and is optional on others, making the X-Class the ultimate long-range bike.
Cafe Racer & Off-Road use an 80mm axle-thru fork with hydraulic lockout for better control than other forks. Performance Edition upgrades to a 100mm inverted fork for superior stability on rough terrain.
The Off-Road Edition has a 60mm spring-based rear shock for comfort on rough terrain. The Performance Edition upgrades to an 80mm Fastace shock for better damping, smoother absorption, and superior stability.
The hydroformed frame offers superior strength, better aerodynamics, and optimized weight distribution while keeping reinforced welds for durability.
The advanced display offers real-time ride data with a sleek, easy-to-read interface. App connectivity lets you track performance, adjust settings, and enhance your ride experience effortlessly.
Introducing the All-New X-Class 60V—the most powerful and advanced X-Class ever built. Engineered for those who crave unmatched speed, torque, and performance, its 60V motor deliver explosive power and thrilling acceleration.
Designed to conquer any terrain, the X-Class 60V features upgraded suspension, precision handling, and rugged durability for the ultimate riding experience.
Advanced lighting with a daytime running light and brake lights keeps you safe and visible wherever adventure takes you. This isn’t just an upgrade—it’s a complete revolution.
Unleash the power. Rule every road.
The All-New X-Class 60V LED Headlight is built for ultimate visibility and safety. Featuring high/low beams, daylight mode, integrated turn signals, and a powerful built-in horn, it delivers bold illumination and all-in-one functionality.
Designed for riders who demand performance and style, it’s ready for any road, day or night.
*The headlight shown above is only available on the Performance Edition
Integrated Brake Light & Turn Signals provide unmatched safety and visibility, ensuring you're seen in all conditions. The brake light activates automatically, alerting riders and drivers behind you when slowing down, while built-in turn signals make lane changes and turns effortless. Unlike standard electric moped-style bikes that rely on basic lighting, this system brings motorcycle-level safety, keeping you confident and in control—whether on city streets or rugged trails.
The All-New X-Class 60V features upgraded wider fat tires for superior stability, grip, and control. A 20x4.5" front tire and 20x5.0" rear tire provide a larger contact patch, improving traction, shock absorption, and handling on any terrain—far surpassing standard 4” tires.
Level 1 anti-puncture protection and reflective sidewalls enhance safety, durability, and bold style.
| Cafe Racer – Edition | Off-Road Edition | Performance Edition | |
|---|---|---|---|
| Motor | 750W · 110 Nm | 750W · 132 Nm | |
| Battery |
60V 20Ah Samsung cells heat-absorbing resin UL compliant |
Dual batteries total 60V 35Ah Samsung cells · heat-absorbing resin UL compliant |
|
| Brakes | 203 mm 4-piston hydraulic brakes | ||
| Fork |
Thru-axle, 80 mm travel hydraulic lockout |
Inverted thru-axle, 100 mm travel, adjustable damping, leg protectors |
|
| Rear Shocks | N/A | 60 mm travel · 265 mm length | Fastace BDA53RC, 80 mm travel, 265 mm length, equal-distance spring, low-friction response |
| Throttle | Right-hand twist throttle | ||
| Handlebar | Width 710 mm · Sweep 9° · Rise 130 mm | ||
| Grips | 135 mm / 95 mm black leather · lock rings both sides | ||
| Tires |
Front: 20×4.5″ Rear: 20×5.0″ Innova, anti-puncture level 1, black with white reflective sidewalls, Schrader valve |
||
| Headlight |
Moto style round, high/low beam, integrated turn signals & horn, High-Beam 650 lm · Low-Beam 510 lm, protector, 12V |
Custom high/low beam, integrated turn signals & horn, High-Beam 1600 lm · Low-Beam 800 lm, protector, 12V |
|
| Rear Light | 12V, integrated L/R turn signals and brake light, self-flashing | ||
| Saddle | Customized cafe-style design, ergonomically shaped for long-ride comfort | ||
| Range | 45–65 miles** | 85–105 miles** | |
| Charger | 60V 3A Smart Charger · ST3 connector | Two 60V 3A Smart Chargers · ST3 connector | |
| Chain | KMC S1 | ||
| Horn | Integrated in the headlight | ||
| Speed | 20+ MPH on throttle & pedal assist. Additional class modes & speeds. | ||
*Due to ongoing supply chain constraints in the e-bike market, components listed are subject to change without prior notification. All replacements are tested to meet or exceed performance of the original item.
**Range varies with rider weight, speed, temperature, wind, tire pressure, terrain, and incline. Actual mileage may differ. Shipping available within the 48 contiguous U.S. states.
| REACH | SADDLE HEIGHT | SADDLE TO CRANK |
|---|---|---|
| 19"–29" due to 10" length of the seat |
34.5" from the ground |
26" |
| OVERALL HEIGHT | WHEELBASE | OVERALL LENGTH |
| 42.5" | 46.8" | 70.7" |
| HANDLEBAR RISE | STAND-OVER HEIGHT | SADDLE LENGTH |
| 4" | 31.6" | 22.5" |
| WEIGHT | ||
| CAFE RACER EDITION | OFF-ROAD EDITION | PERFORMANCE EDITION |
| 100 lb | 108 lb | 116 lb |
Q: Is assembly easy?
A: Yes! Minimal assembly required. Our bikes ship nearly ready-to-ride with detailed instructions.
Q: How do I maintain the bike?
A: Simple routine maintenance—battery checks and tire pressure—is sufficient. Comprehensive resources available on our site.
Q: Are repairs straightforward?
A: Absolutely. Our dedicated support team and authorized repair network are ready to assist nationwide.
You can find the rest of the FAQs here.
FLAGSHIP OF COMMUTER FAT TIRE ELECTRIC BIKES
1000W
Geared Hub Motor
Up to 75+
Miles per Charge
52V, 20Ah
Li-ion battery
300 lb
Payload Capacity
1000W
Geared Hub Motor
Up to 75+
Miles per Charge
52V, 20Ah
Li-ion battery
300 lb
Payload Capacity
WHAT MAKES KEPLER BETTER THAN OTHERS?
1000 WATT MOTOR
Transform your ride with Kepler and the unmatched power of Bafang 1000W custom hub motors. This high-performance motor ensures unparalleled acceleration and hill-climbing capabilities. With Kepler, you won't just ride, you'll dominate the road.
52V 20AH BATTERY
Experience longer rides and tackle steep hills effortlessly with the Kepler e-bike. Equipped with a powerful 52V 20Ah battery featuring LG cells, this bike ensures you can travel long distances without concern. Its sleek, durable, and removable battery offers the flexibility to commute to work or venture off-road without the fear of running out of power. Embrace the freedom and strength that the Kepler e-bike provides.
LARGEST CARGO CAPACITY IN CLASS
Introducing the Ariel Rider Kepler Smarter e-bike rear rack—the perfect solution for carrying your essentials. With a weight limit of 70 lbs, you can easily carry what you need for your daily trips or weekend fun. This rack is made for the Kepler e-bike. It has attachment points that fit well with the bike's design.
Made from high-quality aluminum, the rack is lightweight and strong. This makes it a great addition to your e-bike. It is compatible with most standard panniers and bags, allowing you to find the right fit for your needs. Plus, the built-in LED light includes turn signals and brake lights, enhancing your visibility and safety on the road.
The Ariel Rider Kepler cargo rack is great for carrying gear. You can use it if you ride every day or just on weekends. With its impressive capacity, robust construction, and seamless integration, you can take everything you need wherever you go.
LCD DISPLAY
Experience the ultimate in e-bike control with the Ariel Rider Kepler's Smarter Display. This advanced display allows you to easily monitor your speed, battery life, and more while you ride. With intuitive controls and a sleek, modern design, comes great functions such as bluetooth connectivity, USB port and over-air updates.
The display is also user-friendly, easy to read in any light conditions and can be customized to your preferences. It also has a USB charging port for your devices. With the Ariel Rider Smarter Display, you'll have all the information you need at your fingertips, allowing you to fully focus on the ride and enjoy your e-bike experience to the fullest.
1000 WATT MOTOR
Kepler is equipped with a 1000 Watt custom motor.
LARGEST BATTERY IN THIS CLASS
Don't settle with underperforming 48V smaller size batteries like the others.
Go further with your 52V 20ah battery. We are confident it has longest range in this class.
28+ MPH
Kepler isnt only powerful but also very fast...
Actually fastest in it's class...
LARGEST CARGO CAPACITY
Kepler is crafted to replace your car, integrating a robust rear rack that stands out in its class for strength and capacity.
This feature makes it perfect for carrying heavier loads effortlessly, aligning with your lifestyle needs and environmental values.
ELECTRONICS
BATTERY
1040Wh, 52V 20Ah - LG Battery Cell
MOTOR
1000 Watt Motor, Bafang
RANGE
35-75+ Miles Range
TOP SPEED
28+ Mph (Where legally allowed)
CHARGER
2.5 amp Smart Charger
THROTTLE
Half Twist Throttle
LIGHTS
Headlight and rearlight with brake light Function
CONTROLLER
52V Controller
PEDAL ASSIST
5 Pedal Assist Levels
WIRING
Water Resistant Connectors and Wire Harness
DISPLAY
Colored LCD Display With Self Diagnostic
USB
Integrated in Display (1A)
BIKE COMPONENTS
BRAKE
- Hydraulic Tektro HD-E 350
FRAME
- AL 6061
RIM
Double Walled, Aluminum Alloy
BRAKE ROTORS
- Tektro 180mm
GEARING
- 7 Speed 1x7 Shimano AltusTZ25007428 Derailleur
SADDLE
Exclusive Ariel Rider Ebikes Ergonomic
HANDLEBAR GRIP
- Ergonomic Faux Leather
SHIFTER
- Shimano AMFLTX50RCT SIS Index Thumb Shifter
CHAIN
KMC Z7
CRANK SET
- Forged Alloy, 170mm Length, 52 Tooth Steel Chainring with Alloy Guide
KICKSTAND
- Single leg steel, spring loaded, height adjustable
TIRES
FORK
- Zoom Fork with Preload and Lockout. 80 mm travel
PEDALS
- Wellgo B249 Aluminum Alloy Platform
FENDER
BRAKE LEVERS
- Tektro Dorado HDE350 Hydraulic Disc with 180 Rotors, Dual Piston Calipers, Three-Finger Levers with Motor Inhibitors and Adjustable Reach
SPOKES
- Stainless Steel, 12 Gauge Rear, Silver with Nipples
GEOMETRY
MINIMUM SADDLE HEIGHT
- HIGH-STEP 34"
- LOW-STEP 32"
Measured from the ground.
MAX SADDLE HEIGHT
-
- HIGH-STEP 43"
- LOW-STEP 42"
Measured from the ground.
SEAT TUBE HEIGHT
HIGH-STEP 18
LOW STEP 16"
STANDOVER HEIGHT
- HIGH-STEP 31"
- LOW-STEP 26.5"
TOTAL LENGTH
-
- HIGH-STEP 74"
- LOW-STEP 74"
WHEELBASE
HIGH-STEP 46.2"
LOW STEP 45.8"
REACH
- HIGH-STEP 18"
- LOW-STEP 18"
HANDLEBAR HEIGHT
-
- HIGH-STEP 44"
- LOW-STEP 44"
WEIGHT
73 lb
REAR RACK CAPACITY
70LB
*Due to ongoing supply chain constraints in the e-bike market, components listed are subject to change without prior notification. All new components have been carefully tested and inspected to ensure they meet, and in most cases exceed, the performance standard of the item we are replacing.
*Prop 65 Warning: This product contains a chemical known to the State of California to cause cancer, birth defects or other reproductive harm.