1) Portability: what size and weight is suitable for your usage. Do u need to carry it during part of your journey? Can it be carried on to public transportation?
Can it fit in my car boot? Is it light enough for a single child or adult to lift or carry it for a distance; eg up & down stairs or thru wet terrain.
2) Manoeuvrability:
What's the max speed and braking distance at max speed? Can I easily do a U-turn without getting off the ride? How big is the space required for a U-turn?
If I run out of juice, am I able to kick and use it as a kick scooter?
3) Power Source
Lithium / LiPo battery /acid battery?
4) Material:
Durability and weight.
5) Technology
Brake system: disc brakes/ electromagnetic brakes
Acceleration: motor / electromagnetic brushless motor.
6) Range
How far can you go on a full charge?
When the device is 6 months to 1 year old, can the old battery still give you the range u required?
7) Maintenance
Is it maintenance free? What tools do you require to tighten the loose bolts & nuts?
Do you need to grease any parts?
8) Tyres
Honey comb /solid rubber / air? What type of terrain is the tread meant for? Some tires are slippery on wet tiles. And some are easily punctured.
9) Ease of replacing parts
Are the various parts easily purchased?
Such as tyres, brake disc, batteries.
10) Cost
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