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Winter Cycling Don't let snow and ice discourage you this winter. The key element to year-round cycling is proper attire! Check out this winter cycling forum to chat with other ice bike fanatics.

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Old 02-14-07, 11:01 AM   #1
Gyeswho
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This is cool for the snow!

http://www.ktrakcycle.com/home.html
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Old 02-14-07, 11:06 AM   #2
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I've seen some videos of that. Its a pretty silly invention if you ask me!
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Old 02-14-07, 11:23 AM   #3
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Originally Posted by Shiznaz
I've seen some videos of that. Its a pretty silly invention if you ask me!
silly is sometimes good, and of course fun.
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Old 02-14-07, 12:06 PM   #4
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Too bad it does not work as well as two wheels in snow.
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Old 02-14-07, 12:40 PM   #5
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Their video only looks like the riders are going downhill. No demonstrations of level riding.
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Old 02-14-07, 12:44 PM   #6
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Originally Posted by Hobartlemagne
Their video only looks like the riders are going downhill. No demonstrations of level riding.

bingo !! You got it !!

Too much friction with a ski. Not enough floation improvment with the rear track or the short ski. Flexing rubber treads and spinning more wheels is a lot more work. Just more work and the inability to cross the road.
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Old 02-14-07, 12:49 PM   #7
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I've always pondered something that runs on conventional wheels but floats up in deep snow. Like maybe extending the fork legs and have skiis mounted at the ends on either side of the wheel. Or a snowboard-shaped thing with a notch in the middle for the bottom 1/8 of the tire to contact the ground through.

maybe not.
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Old 02-14-07, 12:52 PM   #8
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maybe not.
Not without 100 hp.
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Old 02-14-07, 01:20 PM   #9
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Originally Posted by 2manybikes
Too much friction with a ski. Not enough floation improvment with the rear track or the short ski. Flexing rubber treads and spinning more wheels is a lot more work. Just more work and the inability to cross the road.
IMHO, the best option I've seen for this sort of thing is this:



... or else this:

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Old 02-14-07, 07:37 PM   #10
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Originally Posted by Aeroplane
IMHO, the best option I've seen for this sort of thing is this:


... or else this:
I have been lusting over the Ti Iditabike racer for a while! Did you notice that the front and back wheel are identical, complete with another casette and freehub? That's good design. It looks like Ti racks too.
That bike probalby weighs less than my steel snow bike, even with the huge wheels and racks on it.

They still don't float over deep soft snow. But they handle much better. If the snow is deep it's actually less work to plow throught with a narrow tire. But the wide tire helps a lot of other things. If there is a hard crust the wide tire can keep you up on top longer. A very light bike and rider helps too.
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