AnotherRedHead
Expert Class
Posts: 348
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posted March 25, 2002 07:21 AM
Wheelbase of zx12?
How many inches is the 12 stock wheelbase? I want to make mine 68 inches. Anyone know the size?
  
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blkrnbw
Novice Class
Posts: 61
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posted March 25, 2002 08:31 AM
wheelbase
56.7 inch.
Brian
 
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AnotherRedHead
Expert Class
Posts: 348
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posted March 25, 2002 09:14 AM
does lowering the bike increase wheelbase?
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hondo
Expert Class
Posts: 140
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posted March 25, 2002 10:47 AM
 Edited By: hondo on 25 Mar 2002 10:48
Wheelbase
Yes, I think so. When the 12 is lowered the swingarm angle changes ever so slightly. ie The swingarm angle becomes flatter with the horizon as the frame drops in relation to the swingarm pivot point. Since the swingarm pivot point is fixed in the frame, as the swingarm becomes ever so slightly flatter or horizontal the wheelbase will lengthen. If you are thinking about a WB drag class leave a little breathing room. If the wheelbase is measured with the rider in place it will measure fractions longer also than if the rider is off. That's one reason why the chain slack is set with the suspension unloaded so as to not tighten up with suspension movements/slight wheelbase changes as the suspension moves.
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Candy Persimmon Red may be slower, but I'm trying!
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krexken
Zone Head
Posts: 732
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posted March 25, 2002 02:55 PM
Sliding the forks up or strapping them will subtract a little wheelbase.
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AnotherRedHead
Expert Class
Posts: 348
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posted March 26, 2002 06:22 AM
So what size arm should I go with to get 68 inches? I was thinking about just getting an 8-11 inch arm from mcintosh
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Cowboy
Pro
Posts: 1061
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posted March 26, 2002 06:25 AM
if you had the choice i wouldn't go more than 8 inch over(loss of traction) and then get a couple more inches by raking the front
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