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Thread: How low can you go?

  1. #1
    Senior Member Fast Eddie B's Avatar
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    How low can you go?

    On rear tire pressure, that is.

    I'm loving my little TDub, but one kinda glaring deficiency is the lack of rear suspension compliance.

    I don't expect the same kind of ride I got on my KTM with WP units or from the Ohlins on my BMW. Still, even relatively small road imperfections can be pretty jarring at 18 psi.

    I know its been mentioned that a lot of the suspension compliance on the TDub comes from the fat rear tire. It's been mentioned that for off-road, 14 rear combined with 12 front is doable.

    How low is it wise to go at the rear for what is, right now, 95% road use? Do things get noticeably squirrelly on the road below a certain pressure? Talking stock rear for now.

    Thanks in advance.
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  2. #2
    Senior Member lugnut's Avatar
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    I found the stock rear tire and the Shinko 241 on front squirrely on any road surface no matter what pressure I played with. I ended up putting 203/204 Bridgestones on and really have a good road feel now at 18 psi front and rear.
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  3. #3
    Senior Member elime's Avatar
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    Quote Originally Posted by Fast Eddie B View Post

    How low is it wise to go at the rear for what is, right now, 95% road use?
    At 95% road use I would air only for the road. I run 30 psi in my front Heidenau and 24 or so more in the rear. If I go off road I don't mess with the air pressure. Off road for me is about 1% or the time.
    Ken likes this.
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  5. #4
    Senior Member ToolmanJohn's Avatar
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    I run near stock pressures on road (18psi R and 21psi F), but off-road the stock tire pressure is miserably too firm. I use 12 psi front and rear off-road. Haven't spun a tire on the rim yet. And I ride a bit too slow off road to pinch flat, so far (knocks on wood).
    Ken likes this.
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  6. #5
    Senior Member Fast Eddie B's Avatar
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    Thanks, guys.

    I just dropped the pressure from 18 to 16 psi and I'll see if that helps at all.

    I did do one ride at 12 front /14 rear, and the ride to the trails felt fine at that low setting.

    Something like an Ohlins on the back might be "gilding the lilly", but might be worth it to take care of what I see as a major deficiency. Does anyone sell an aftermarket rear shock for the TDub?

  7. #6
    Senior Member Badgerflorida's Avatar
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    I'm not aware of any direct fit replacement shocks. I've read quite a bit on here of folks using a shock from the Blaster ATVs but if I recall they required fitment modification (custom made shims?).
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  8. #7
    Senior Member Badgerflorida's Avatar
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    Wow elime, that's a lot of pressure in those tires. Do you ride on smooth roads? How jarring are potholes? How do you like those tires you're running on?
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  9. #8
    Senior Member Fred's Avatar
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    Stock rear gets rather squirrelly around 6psi and is useful for very slow, very soft conditions, 8psi to 10 psi is better for mud and snow with still some speed stability. Usually run 12 psi front and rear for summery road and dirt.
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  10. #9
    Senior Member elime's Avatar
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    Quote Originally Posted by Badgerflorida View Post
    Wow elime, that's a lot of pressure in those tires. Do you ride on smooth roads? How jarring are potholes? How do you like those tires you're running on?
    The Heidenau is pretty good. Not very aggressive tread but it will hold on wet asphalt unlike the stock tires which slip and slide. So far I have 12,000 or 13,000 miles on it and expect to get another 10K miles. The rear is a stock tire so nothing new there.

    People bitch about the roads but actually they are pretty good.
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  11. #10
    Senior Member Fast Eddie B's Avatar
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    The little TDub fits right in at our home away from home!

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