GT300 is worth considering if you want the lower purchase price, front suspension and seven gears for everyday riding. GT900 adds nominal battery energy, rear suspension and 21 speed gearing for €50 more. Choose that upgrade only if those differences solve something you will actually notice, rather than treating the larger numbers as proof of better performance everywhere.
Compare the same details
| Detail | GT300 | GT900 |
|---|---|---|
| Price | €549 | €599 |
| Battery voltage | 36 V | 36 V |
| Battery capacity | 10 Ah, 360 Wh | 13 Ah, 468 Wh |
| Battery access | Internal | Internal |
| Wheel options | 24 or 26 inches | 24 or 26 inches |
| Gearing | Shimano 7 speed | Shimano 21 speed |
| Suspension | Front | Front and rear |
| Motor | 250 W continuous, rear hub | 250 W continuous, rear hub |
The energy difference is 36 × 13 minus 36 × 10 = 108 Wh. Relative to GT300, that is 108 ÷ 360 = 30% more nominal energy. It is not evidence of 30% more real range. Voltage happens to match here, making the capacity comparison straightforward.
When GT300 may be enough
Start with GT300 if your route is mainly smooth, you have reliable charging where you park, and you prefer fewer gear choices. Seven gears may be sufficient for your riding, but gear count alone does not reveal the easiest gear ratio. Someone facing long climbs should check the actual gearing rather than assume seven or 21 automatically solves the hill.
The €50 saving can go towards things needed before the first ride, such as suitable security equipment or any required lighting. Those items have separate costs. Do not spend the entire budget on the bike if you have no secure place to lock it.
When GT900 is the more relevant shortlist
Consider GT900 when additional battery energy matters between charging opportunities, or when you want to evaluate rear suspension for your usual surfaces. Its 21 speed system also offers more selectable gear combinations, although some combinations overlap. It does not prove greater motor torque or climbing ability.
Rear suspension adds components that need inspection and care. It should not be treated as free comfort with no upkeep, or permission to ride jumps and technical trails. If you mainly ride smooth streets, frame fit, tires and saddle adjustment may matter more to comfort than another suspension unit.
Make the choice in four steps
- Write down the longest distance you must ride before charging, including errands.
- Describe the worst regular surface and whether you can avoid it safely.
- Check both wheel variants against frame measurements, mounting clearance and your storage space.
- Compare your complete budget with each price, then decide whether the €50 upgrade addresses your list.
Choose GT300 for its lower entry price when the simpler configuration meets your needs. Choose GT900 when its energy and suspension differences are useful to you. For more on what suspension changes, read front versus full suspension.
Sources and Scope
Checked 28 October 2026. Requirements depend on the location, system and service described.
