Advantages:

By raw specifications alone, the two models are very similar in capability. The main reason why we held back from offering this model, until now, was the lack a front brake. While the rear drum & regenerative braking may be adequate for most circumstances, where you need to stop suddenly from 23MPH, a front brake is essential!

• Front Drum Brake: there’s various pros & cons to the disc brake on the Dart & the drum brake. On the pros side, these are usually less maintenance as it’s fully covered, they last longer, more tolerant to irregularities in the rim or axle, but do not have the same stopping power. 
• Rear Solid rubber Tire, Immune to Flats: on the earlier Darts, with the Hota tires, the tires/tubes did not hold up well in the summer heat. With these rear solid tires, it means you will be spending more time on the road, instead the laborious chore of  replacing an innertube   
• Improved Suspension: with the suspension dampeners installed at an angle, this allows the shocks to travel less carrying a Rider in the 160-200lb scale, where there was a tendency for the Dart’s suspension to ‘bottom out’ at the higher end of this spectrum.
• Carry Handle: in addition to the trolley kit on the Dart, the Swift now has a carrying/tote handle preinstalled.   
• More Effective Rear Fender: the rear fender now extends further back, reducing the amount of wash thrown up from the road.  
• Price: with practically the same performance capabilities as the Dart, for $125 less.

Disadvantages:

• Air tires are more comfortable: air tires can make the ride more comfortable by softening some of the harshness from the road surface. One has to weigh this benefit with the probability of getting flats.    
• No flashy LEDs on stem or under deck: although equipped with the more functional embedded deck light, the Swift does not have the same degree of ‘wow factor’ as the Dart. 

One the key improvements that’s offered on the Turbowheel Swift & Darts, over the same scooter with other branding, is that battery pack is composed of LG M26 battery cells, instead of the Chinese Sincpower 2600. On paper these cells are virtually identical, with a 2.6Ah capacity, 10A output; the advantage of the LG cells is that they’re backed up by a multi-billion dollar company, with state-of-the-art ISO certified manufacturing facilities to ensure absolute consistency from one production batch to another. It is not known how well the Sincpower cells will hold up over time, since there’s no published datasheet on the cells.