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Offline lospsi

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Non DDC suspension set up
« on: August 10, 2017, 07:03:42 AM »
Hi guys,
I'm starting this thread as there aren't many non DDC bikes here and most of the topics I read about setup is for DDC bikes. So here, I'll try to post my thoughts and hopefully read other opinions from riders that own the bike more years.

First think I found is that the front spring rate is rather soft. That means that front dynamic sag is 50mm for my 115kg (well above average) chassis :008: or 40mm for a friend that weights 90kg (almost in spec). Static sag numbers were 40mm for me and 30mm for my buddy, respectively. Thats a lot of sag but surprisingly it didn't feel too soft when I rode it a bit faster. Maybe the springs are progressive? Haven't been on the track yet, where I'll get a better feel of the bike.

Rear shock spring is more "normal", I have it fully preloaded and I got 5mm of static sag and 40mm of dynamic. That's normal for my weight, on my previous Aprilia Tuono Factory, I had no static sag in order to get an almost correct dynamic sag, before I changed the spring.

That difference in front and rear spring rate is really odd and it even more odd that this big difference doesn't show while riding.

So, I'll be changing the springs and I would like to hear from you if you know of aftermarket suppliers for our bikes. I have found that wilbers sell front springs for non DDC bikes but no rear, only full shock. Also, does anyone know the spring rate of OEM springs? Lastly, is it possible to fit S1000RR non DDC suspension on our bikes?
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Offline lospsi

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Re: Non DDC suspension set up
« Reply #1 on: October 12, 2017, 06:32:23 PM »
A small update.
I searched for front springs with no luck. I sent the forks to a suspension specialist, he told me that the big fork diameter combined with short length of the spring doesn't help fitting a random customized spring. So, I ended up fitting 7mm spacers inside the fork to add some preload. I'll ride that way and I'll report.
I also bought a 2010 S1000RR rear shock, it seems that it is a direct fit. We'll see about that too...
 
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Offline sashaa

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Re: Non DDC suspension set up
« Reply #2 on: October 23, 2017, 02:34:42 AM »
Following this with interest.
I also have non-DDC bike (recently purchased), stock - compression/damping was both set to 4 in front - found that to soft (I weight 105kg), increased to 6 - it is a bit better but still a bit soft on hard braking.
At the back - also increased from 4 (factory) to 6.
Will take bike to local bike suspension shop, and try to set it up for my weight, before i start buying/modifying parts.

Offline lospsi

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Re: Non DDC suspension set up
« Reply #3 on: December 01, 2017, 08:56:12 AM »
Update:
Unfortunately, the shock I bought doesn't fit. It was from a 2010 S1000RR, the body of the shock is shorter than mine. Other than that, the mounting points are the same. It also seems that aftermarket springs from that year's RR could fit our shock. I decided not to bother as still the OEM shock is, IMO, cheap. No full adjustments.
Note that the S1000RR 2015 and onwards seems that has the same shock as our (my mechanic has one in the shop and believes it fits) BUT it is almost imposible to find later RR suspension without DDC.
I hae attached a foto to see the differences, LH is the RR shock, RH is the R shock (mine)
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Offline SimonUK

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Re: Non DDC suspension set up
« Reply #4 on: December 01, 2017, 12:49:10 PM »
How much difference is it going to make if you wind all the pre-load out of your shock?? It looks like the pre-load adjusters are about the same height, but your OEM shock has a lot of pre-load dialed in (which I am assuming would lengthen the shock)

Offline lospsi

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Re: Non DDC suspension set up
« Reply #5 on: December 01, 2017, 02:36:18 PM »
Reducing preload won't change the total length of the shock, preload ring moves inside the body of the shock altering the length of the spring but leaving the distance between two mounting holes the same!
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Offline SimonUK

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Re: Non DDC suspension set up
« Reply #6 on: December 01, 2017, 03:08:11 PM »
 :028: :028: :028: Just a thought, and interesting that there is so much difference in the total shock length.

Offline lospsi

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Re: Non DDC suspension set up
« Reply #7 on: December 29, 2017, 08:51:47 PM »
Searching online continues. I have contacted Matris, Mupo and EMC dealer for any solutions for our bike, I'll have a response after new year vacations. Won't be cheap though...
Nitron Shocks have cartridge and 2 different types of shocks too, Wilbers has also 2 different types of shock and finally produced front springs for non DDC fork. Unfortunately only one spring rate is available, 9Nm.
To be honest, I don't like the idea of spending over 2K euros on suspension, I've posted on Wanted items for used parts or I'll get the Wilbers springs and Wilbers or Nitron basic model rear shock.
That would be around 600-700 euros in total, which is a bit more easy to swallow  :008:
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Offline lospsi

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Re: Non DDC suspension set up
« Reply #8 on: January 09, 2018, 06:08:24 PM »
Happy new year guys!
More feedback on non DDC suspension :
I've contacted Wilbers through Greek dealer, they claim that OEM spring rate is 8.1Nm so their 9Nm spring would be sufficient. That backs up the feel from Noggie and his spring swap with Wilbers. Rear shock can be a 640 model retrofitted with additional piggyback for damping control, a sort of 641 model.
I also contacted Ktech and Nitron Greek dealer, he offers me a package for front springs from Ktech and revalving plus rear Nitron R1 shock which also can be upgraded with extra piggyback damping control.
So, things are starting to get interesting...
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Offline CrazyBiker

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Re: Non DDC suspension set up
« Reply #9 on: January 09, 2018, 11:09:03 PM »
Rear R1 shock works on our bikes?
2014 S1000R Premium White
Akra GP Slip On|Ohlins Damper|Ermax pan|Tecbike CAT|Bestem Fender|V-stream screen|Wunderlich Seat|360+R&G LED signals|R&G+Puig Protection
2012 S1000RR Premium Motorsport 
Brocks CT Full System|GPR Damper|Elka Stg3|Sato rearsets|Bestem Cowl|Sargent Seat|Puig Screen|Woodcraft+GB protection|MD signals
H&B panniers on both

 


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