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19-06-2019, 05:20 PM | #16 | |
Registered User
Join Date: Aug 2011
Location: Southampton
Bike: M1100evo
Posts: 2,465
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Quote:
These are the K-tech replacements and, while you can't see the compression needles, the rebound needles are clearly a lot sharper and give a much larger range of adjustment. (Even I can feel the difference!) |
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19-06-2019, 07:31 PM | #17 |
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Join Date: Mar 2004
Location: lincoln
Bike: No Bike Yet!
Posts: 876
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Quote:
The difference was night & day http://www.ukmonster.co.uk/monster/s...ront+forks+evo Last edited by chris.p; 19-06-2019 at 07:38 PM.. |
19-06-2019, 07:43 PM | #18 | |
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Join Date: Mar 2004
Location: lincoln
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Totally agree you must have the correct static sag. |
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19-06-2019, 09:34 PM | #19 | |
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Join Date: Nov 2017
Location: Barnsley
Bike: M1100s
Posts: 239
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__________________
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19-06-2019, 09:36 PM | #20 | |
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Join Date: Nov 2017
Location: Barnsley
Bike: M1100s
Posts: 239
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__________________
Always remember. Your home is at risk if you set fire to it. |
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19-06-2019, 09:48 PM | #21 |
Too much time on my hands member
Join Date: Jan 2013
Location: Shipbourne
Bike: M900
Posts: 1,422
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Luddite - is there another graph? (9.41) as I could not follow the logic from the words and only one graph (maybe I really am thick). If so please could you put it up as well.
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19-06-2019, 10:14 PM | #22 | |
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Join Date: Jan 2017
Location: Milton Keynes
Bike: M1100evo
Posts: 233
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Quote:
What does it matter what the bike suspension does without a rider on it?! Why is it even relevant? That's what I still don't get. |
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19-06-2019, 10:21 PM | #23 |
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Join Date: Aug 2011
Location: Southampton
Bike: M1100evo
Posts: 2,465
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Yes, sorry, Rich, as I was just referring to the rear wheel, I included only the first graph since the second one described the front wheel's behaviour during acceleration. However, for completeness, here it is with the accompanying notes:
Oh, and as for being thick - having seen what you've achieved in your rebuild thread, I don't think that's an option. I mean, if it was, what does that make the rest of us?!? |
19-06-2019, 10:45 PM | #24 | |
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Location: lincoln
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Simples really, if you have no static sag your bike will top out with a Bang in some instances, for example if you hit a small crest at speed, your suspension will top out, not good. |
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19-06-2019, 11:08 PM | #25 | ||
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Join Date: Aug 2011
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Bike: M1100evo
Posts: 2,465
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Quote:
With insufficient static sag (my words): "• The static loaded position of the suspension is closer to the rebound stops, and so there is less suspension movement available before topping-out. So that occurs more often. • The preload force means that when the suspension does top-out, it does so in a harder fashion." Niall Mackenzie describes what that feels like to the rider and his experience tallies exactly with the recorded behaviour of the wheel in those circumstances as shown in Tony Foale's graph. As I mentioned when I was describing my own experience, it's quite possible to set your dynamic sag within the recommended range and yet still have no or minimal static sag so I always now check the two and make sure they are both within their recommended ranges. I would add that the same amount of factory set preload that gave me zero static sag on the Öhlins DU737 with the 115N/mm spring, gave the perfect static sag with a 105N/mm spring. Not sure I can add any more so I hope that helps. |
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19-06-2019, 11:14 PM | #26 | |
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Join Date: Aug 2011
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I'm often accused of being a windbag - here's the proof! |
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19-06-2019, 11:30 PM | #27 |
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20-06-2019, 12:13 AM | #28 | |
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Join Date: Nov 2017
Location: Barnsley
Bike: M1100s
Posts: 239
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Quote:
__________________
Always remember. Your home is at risk if you set fire to it. |
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20-06-2019, 09:12 AM | #29 |
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Dry day here in Northumberland so off out on her to enjoy the smooth ride 😁 |
20-06-2019, 09:22 AM | #30 | |
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Join Date: Jan 2017
Location: Milton Keynes
Bike: M1100evo
Posts: 233
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Quote:
One of the reasons for setting 'sag' is so that with your weight on the bike the forks\shock have enough travel\range to decompress as well as compress. But they can both still technically top out. If preload, and therefore (rider) sag, is set correctly, there will be enough travel in the fork\shock for the suspension to move up and down, then compression\rebound damping controls the rate at which that happens. If all that is setup properly (in combination with the correct spring) then top out\bottom out shouldn't happen, but none of that really has anything to do with static sag. As far as I can tell anyway. |
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