Fat tire & moto
Super73 S2 SE
$3,145
Price
720 Wh
Battery
71 lb
Weight
Super73 S2 SE vs Troxus Explorer Plus iQ
Two fat tire & moto e-bikes at $2,099–$3,145, every published spec lined up. Nothing here is estimated: a figure the manufacturer does not publish is shown as “—”.
Where they differ
- The Explorer Plus iQ claims 45 more miles of range.
- The Explorer Plus iQ costs $1046 less.
- The Explorer Plus iQ assists 8 mph faster.
- The Explorer Plus iQ carries 240 Wh more battery.
- The Explorer Plus iQ carries 75 lb more total load.
- The S2 SE is 12.8 lb lighter.
- The S2 SE uses a torque sensor; the Explorer Plus iQ uses a torque + cadence sensor.
- The S2 SE ships as class 2; the Explorer Plus iQ ships as class 2–3.
Every spec, side by side
| S2 SE | Explorer Plus iQ | |
|---|---|---|
| Headline | ||
| Price | $3,145 | $2,099 |
| Category | Fat tire & moto | Fat tire & moto |
| Price per Wh | $4.37 per Wh | $2.19 per Wh |
| Model year | 2026 | 2026 |
| Motor | ||
| Torque | — | 86 Nm |
| Motor power | 750 W | 750 W |
| Drive | Rear hub | Rear hub |
| Motor make | Super73 | Bafang |
| Drive system | — | Bafang |
| Sensor | Torque | Torque + cadence |
| Battery & range | ||
| Battery | 720 Wh | 960 Wh |
| Voltage | 48V | 48V |
| Capacity | 15 Ah | 20 Ah |
| Cells | — | Samsung |
| Removable battery | Yes | Yes |
| Range (claim) | 45 mi | 90 mi |
| Range as stated | 35 to 45 miles at 20 mph on throttle only | Up to 90 miles per charge |
| Est. real range | 36 mi | 38 mi |
| Estimate assumes | 20 Wh per mile | 25 Wh per mile |
| Weight & capacity | ||
| Weight | 71 lb | 83.8 lb |
| Max load | 325 lb | 400 lb |
| Rack capacity | — | 100 lb |
| Class & speed | ||
| Ships as | Class 2: throttle, assist to 20 mph | Class 2: throttle, assist to 20 mph |
| Unlocks to | Class 2 | Class 3 |
| Class | Class 2 | Class 2–3 |
| Throttle | Yes | Yes |
| Top assisted speed | 20 mph | 28 mph |
| Build | ||
| Gears | Single speed | 8-speed |
| Drivetrain | Single speed | Shimano, KMC chain |
| Brakes | Hydraulic disc | Hydraulic disc |
| Front rotor | — | 203 mm |
| Rear rotor | — | 203 mm |
| Suspension | Hardtail (front only) | Hardtail (front only) |
| Fork travel | — | 90 mm |
| Rear travel | None | None |
| Front suspension | Yes | Yes |
| Tires | 20 x 4.5 front, 20 x 5.0 rear | 26 x 4.0 |
| Display | — | Colour, Bluetooth, turn signals, remote |
| Frame | Aluminium | 6061-T6 aluminum |
| Sizes | — | Small 16.5", Medium 18", Large 20" |
| Step-through option | No | Yes |
| Included | ||
| Lights | Yes | Yes |
| Fenders | — | Yes |
| Rack | — | Yes |
| Kickstand | — | Yes |
| Safety | UL 2271 | UL 2849* |
| Safety certification | UL 2271: battery only | UL 2849: most models, confirm this one |
| As the maker states it | Batteries described as UL 2271 compliant (compliant, not certified) | "UL-2849 certified" on the Lynx Cargo; the Explorer Plus iQ states the battery is "UL-2271 Certified" |
| Warranty | — | 5 yr |
Specs transcribed from super73.com on 09/22/2026 and www.troxusmobility.com on 09/21/2026. Manufacturers revise specs without notice: confirm before buying.