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Hiboy S2 vs Hiboy S3
The Hiboy S3 has the longer estimated range — 11.2 miles against 10.8 — because it carries 281 Wh to the Hiboy S2’s 270. The Hiboy S3 is the lighter of the two at 34.5 lb, which puts it in the carry up stairs class. Everything else is below.
| Estimated range | 10.8 mi | 11.2 mi |
|---|---|---|
| Claimed range | 17 mi (1.6x the estimate) | 17 mi (1.5x the estimate) |
| Tested range | 11.4 mi | — |
| Top speed | 19 mph | 19 mph |
| Motor | Single motor, 350 W (500 W peak) | Single motor, 350 W (460 W peak) |
| Battery | 270 Wh at 36 V | 281 Wh at 36 V |
| Wh per dollar | 0.82 Wh/$ | 0.89 Wh/$ |
| Wh per pound | 8 Wh/lb | 8 Wh/lb |
| Weight | 35.5 lb — curb lift | 34.5 lb — carry up stairs |
| Max rider weight | 220 lb | 220 lb |
| Rated grade | 15% | 15% |
| Tires | 8.5" solid | 8.5" solid |
| Suspension | Rear | Rear |
| Brakes | Rear mechanical disc with regen | Rear drum with electronic brake |
| IP rating | IPX4 | IPX4 |
| Charge time | 4 h | 5 h |
| Folded size | Folds | 43.5 x 16.7 x 18.7 in |
| Deck width | — | 6.1 in |
| Lights | Headlight, taillight | Headlight, taillight, sidelights |
| App | Yes | Yes |
| Cruise control | Yes | Yes |
| Approx. price | ~$330 | ~$315 |
| Released | 2021 | — |
Hiboy S2: the case against
- The stem has a documented history of snapping; buy the revised version and inspect it
- Hiboy does not replace snapped stems out of warranty
- Tested 11.4 miles against a 17-mile claim
- 220 lb rider limit and only an IPX4 splash rating
Hiboy S3: the case against
- 281 Wh and a 17-mile claim; plan for short trips
- Only the rear wheel is sprung
- IPX4 rating, so no riding through heavy rain
- 220 lb rider limit
- Store shows $599.99 crossed out; $314.99 is the price to plan on