That's an interesting concept and especially the ability to charge the battery while pedalling.

At the moment I'm evaluating the ARCC system which I had retro-fitted to my TSR27. I'm impressed by the smooth and seamless feed-in of the E-assist and the inclinator fitted in the pod which with the A+ intelligent mode automatically feeds more power when climbing hills. The "Launch" boost which gives a three second boost when taking off from a stand-still is very useful as well but mainly I'm intent on working out the range when using the various assist levels.

What interested me most was the use of the Bosch standard 36V 4AH battery as this means I can carry a spare or even two as a fail-safe and a means of increasing range. Certainly the fact the the TSR27 has a wide gear range must be a help in obtaining the maximum range when using the system and also makes it easier to pedal the bike without the Assist.

It's a very expensive system and only time will tell whether the cost is justified.

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