What do you think this 2018 SmartMotion Electric Bike Updates at Interbike (TTIUM Motor, Belt Drives, Hypersonic) video?
For 2018, SmartMotion is adding a new line of electric mountain bikes as well as an upgrade option for their Pacer urban model which will have a Gates Carbon belt drive instead of a chain, it works with an internally geared Shimano Alfine hub. Chris explained that they chose the Alfine because it seemed more efficient and was allowing riders to feel instant power and ride faster. He also explained that the Alfine was easier to service and this was a factor in choosing it vs. the NuVinci continuously variable transmission. The Pacer will still be a speed pedelec for 2018 offering up to 28 mph assist.
Chris explained that they decided to use the TTIUM electric bike motor instead of Bafang because it is two pounds lighter and more compact but still offers around 100 Newton meters of torque (which is quite high, most motors are saying 60 to 80 Nm). The smaller size of the motor also allows them to position the chainring further back and achieve a better geometry, even with how and where the battery is positioned. Apparently TTIUM is an aerospace engineering company that jumped into the ebike space, their chainring spins at 2.8 rotations per pedal rotation. It’s a unique, next generation product and SmartMotion is getting a 500 watt nominal with a 48 volt battery setup on their motors. This motor will appear on most of their mid-drive motor models. He told me that their products will hit the market in mid 2018. And so, many of the models we were looking at are just prototypes designed to elicit feedback from dealers, the Bafang powered models we saw are just samples.
It sounds like they may even offer a TTIUM mid-drive electric bike with a belt drive at some point? The Hypersonic is their new full suspension mountain bike model which is aiming for 3” plus sized tires with boost and should be priced around $4k. It’s one of the only electric mountain bikes with a 500 watt nominal motor and throttle option. The battery size might be 850 watt hours which is very high. All of their bikes will continue to offer cadence and torque sensing for more natural engagement. Apparently you might even be able to switch from cadence to torque sensing on the fly.
You can see some of my previous SmartMotion ebike coverage atelectricbikereview.com/brand/smartmotion/ and learn more about the company at their official website: www.smartmotionbikesusa.com/
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