The gears don't seem to keep up on this bike. There are 21 gears, same as my other bike, but there is much more resistance at the highest gear on my other bike going 20mph than there is on this bike. The reason that is an issue is that during pedal assist, the bike goes pretty quick and I don't want to be pedaling air, I want some, just a little, resistance. I don't know the mechanics of it or how this would be the case, perhaps because this bike has smaller wheels than my other bike? The bike came pretty well adjusted on the derailleurs. I haven't touched the back but the front I've had to mess with a little. The chain fell off outboard once, so had to adjust. Chain guard did its job well. The chain got stuck pretty good, but once I loosed the chain guard everything was easily moved.
With most ebikes the choice of motor defines aspects of the frame geometry and to a lesser degree the suspension characteristics of the bike. Not with new Rock Mountain Altitude Powerplay. With its bespoke motor Rocky has been able to design an ebike that reflects the ride quality of a highly evolved 150mm trail bike. With instant power pickup, extended battery life and streamline proportions it’s not just the handling of the Rocky that will get you charged up for riding. It’s the best bike in this test by some margin, but we had an issue with the motor momentarily cutting and raising questions over it’s reliability.

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