Thread: e-bike update
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Old 04-20-2008, 06:17 PM   #23 (permalink)
Lazarus
ECO-Evolution
 
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Join Date: Nov 2007
Location: Central Texas
Posts: 1,482

Iron Horse (retired) - '97 Iron horse Intrepid

Ninja - '08 Kawasaki 250R
90 day: 76.23 mpg (US)
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Quote:
Originally Posted by AndrewJ View Post
Are you going to keep the 48v setup for the extra range or are you reverting to 36v?

Too bad the 28c won't fit. Is a 25c tire an option? I had a 25x700 Bonty Hardcase on my singlespeed and I loved it.
I got it after a piece of glass in the bike lane ripped through the sidewall of my old tire, from the center of the bead clear to the rim.
That was one fast loss of pressure...

Anyway,
This gets me thinking...
Do you have enough clearance at the fork crown to run a 28c tire up front? You could put the batteries up front in some lowrider panniers. Your front tire has less weight on it in the first place, so putting the extra 30lbs up front makes sense to balance the load.
And putting it in lowriders lowers your center of gravity.
And you'd get your batts closer to the hub and controller, shortening the wire runs.

Just a thought.
No I went back to 36V. I did not want to lug the extra weight around. I've been pleasantly surprised that range really is not a problem so far. I keep pushing it farther and digging deeper into the pack and it just keep going.

I've got a 28c up front. I don't think a 25c will fit on the rear the 23c is really tight. This whole e-bike thing has me drooling over every touring bike I see. My bike is meant to be a racer and is really not set up for this. I'll take the money I save in gas and put it towards a touring bike one of these days.

Continental Tires are my favorite tire. Nice feel and long lasting. I quit using them because they got expensive and if you had a flat it was impossible to get them on and off the rims without 2 tire tools. Although as fast as the rear is wearing I might have to go back.
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Last edited by Lazarus; 04-20-2008 at 07:11 PM..
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