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Old 02-08-2010, 11:35 AM
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Maxvision Maxvision is offline
Motorized Bicycle Elite Member
Join Date: Jun 2009
Location: San Diego, CA
Posts: 551
Default Re: What do you think? Shift kit or new sprocket?

I have a shift kit and love it!

With a shift kit, there is RARELY need for pedal assist, even to start from a dead stop, where as, a smaller rear sprocket will require more pedal assist than the stock 44 tooth, particularly in climbing hills. I really don't need to pedal at all to start moving from a dead stop, I just do it to save unnecessary wear on my clutch pads.

Gas saving with the shift kit is a consideration also. I went on a ride with 24 other people in L.A. a few weeks back. While their engines were "wound out", I was at half throttle or less. I hardly used any fuel while others were near an empty tank.

Only drawback to the shift kit is starting the motor. Starting the motor is more like kick starting a motor cycle engine than pedal starting a motorized bike. You really have to stand up on the pedals to get the motor to kick over. And then chances are you'll only be able to get 1/2 a turn of the pedals because the engine compression won't let you get over the top to get your pedals around for the second 1/2 turn. This can be a real chore on cold days. Of course once your motor has warmed up a bit, starting is much easier.

I'm seriously considering getting one of those 2 legged kick stands that hold the rear wheel off the ground just for easier starting of the motor.
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