Fat tire & moto
Ariel Rider Kepler
$1,699
Price
118 Nm
Torque
1040 Wh
Battery
98.6 lb
Weight
Ariel Rider Kepler vs Engwe EP-2 3.0
Two fat tire & moto e-bikes at $1,499–$1,699, every published spec lined up. Nothing here is estimated: a figure the manufacturer does not publish is shown as “—”.
Where they differ
- The Kepler carries 320 Wh more battery.
- The Kepler makes 28 Nm more torque.
- The EP-2 3.0 is 23.2 lb lighter.
- The Kepler peaks 440 W higher.
- The Kepler carries 70 lb more total load.
- The EP-2 3.0 costs $200 less.
Every spec, side by side
| Kepler | EP-2 3.0 | |
|---|---|---|
| Headline | ||
| Price | $1,699 | $1,499 |
| Category | Fat tire & moto | Fat tire & moto |
| Price per Wh | $1.63 per Wh | $2.08 per Wh |
| Model year | 2026 | 2026 |
| Motor | ||
| Torque | 118 Nm | 90 Nm |
| Motor power | 750 W | 750 W |
| Peak power | 1940 W | 1500 W |
| Drive | Rear hub | Rear hub |
| Motor make | Ariel Rider | Engwe |
| Sensor | Torque + cadence | Torque + cadence |
| Battery & range | ||
| Battery | 1040 Wh | 720 Wh |
| Voltage | 52V | 48V |
| Capacity | 20 Ah | 15 Ah |
| Cells | Samsung 21700 | LG 21700 |
| Removable battery | Yes | Yes |
| Range (claim) | 75 mi | — |
| Range as stated | Up to 75 miles | — |
| Est. real range | 42 mi | 29 mi |
| Estimate assumes | 25 Wh per mile | 25 Wh per mile |
| Weight & capacity | ||
| Weight | 98.6 lb | 75.4 lb |
| Max load | 400 lb | 330 lb |
| Class & speed | ||
| Ships as | Class 2: throttle, assist to 20 mph | — |
| Unlocks to | Class 3 | — |
| Class | Class 2–3 | — |
| Throttle | Yes | — |
| Top assisted speed | 28 mph | 28 mph |
| Build | ||
| Gears | 8-speed | 7-speed |
| Drivetrain | Shimano Altus (13-32T) | Shimano |
| Brakes | Hydraulic disc | Hydraulic disc |
| Front rotor | 203 mm | 180 mm |
| Rear rotor | 203 mm | 180 mm |
| Suspension | Hardtail (front only) | Hardtail (front only) |
| Fork travel | — | 50 mm |
| Rear travel | None | None |
| Front suspension | Yes | Yes |
| Tires | 24 x 4.0 | 20 x 4.0 |
| Display | Large full-colour, Bluetooth, USB-C | 3.5" colour LCD, Bluetooth |
| Frame | — | Magnesium alloy, integrated battery |
| Sizes | One size | One size, fits 5'5" to 6'2" |
| Step-through option | No | No |
| Included | ||
| Lights | Yes | Yes |
| Fenders | — | Yes |
| Rack | — | Yes |
| Kickstand | — | Yes |
| Safety | — | UL 2849* |
| Safety certification | — | UL 2849: most models, confirm this one |
| As the maker states it | "UL Safety Certified" stated without naming the standard | "UL 2849 Certified by Tüv Rheinland" |
| Warranty | — | 1 yr |
Specs transcribed from arielrider.com on 09/20/2026 and us.engwe.com on 09/21/2026. Manufacturers revise specs without notice: confirm before buying.