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Old 10-30-2013, 07:18 PM   #76
wbedient
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Quote:
Originally Posted by watagans300exc View Post
Keep going with the idea Ryan, it is a fantastic solution to an age old and expensive problem with adventure riders on non cush drive wheels.


Keep working!
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Old 10-31-2013, 02:39 AM   #77
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Quote:
Originally Posted by watagans300exc View Post
Like most on here I suspect, I am a "Time Poor" rider and while I fully support any idea that adds a bit of mechanical sympathy to the drive line, these sprockets seem not entirely ideal. I just could not enjoy the ride thinking my sprocket my self destruct mid ride in the middle of but fuck nowhere.

I went with a RADMfg cush drive hub (Direct copy of a KTM unit only billet aluminium and prettier) and will stick with SuperSprox sprockets where I get over 14,000k per unit.

Keep going with the idea Ryan, it is a fantastic solution to an age old and expensive problem with adventure riders on non cush drive wheels.
Even though mine was worn to point of being able to move the 2 sections by hand, it could still be ridden just a little jerky.The busted rubbers are on the side that would be loaded by rolling off ,not driving.
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Old 11-02-2013, 03:59 AM   #78
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How about using polyurethane instead of rubber
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Old 11-02-2013, 07:24 PM   #79
Farmer Roy
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umm, for my WR450 and my intended useage of it, i'd be quite happy to get 7000km out of the kush sprocket - i was originally budgeting on 5000km and still reckoned i was ahead compared to the full on cush hub conversion.
Also, as WillS says, even if the rubbers fail doesnt mean you are stranded by the road, they will still drive
so far i'm very happy with my sprocxket, & if they last to 5 - 7000km, then i will continue to use them
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Old 11-02-2013, 11:38 PM   #80
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Originally Posted by WILL_S View Post
Even though mine was worn to point of being able to move the 2 sections by hand, it could still be ridden just a little jerky.The busted rubbers are on the side that would be loaded by rolling off ,not driving.
edit
it is the driving side that failed .
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Old 11-12-2013, 07:11 PM   #81
just jeff
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Been reading about the Kush sprokets and ran across this thread. Thought you guys might be interested in this quote from the Kush web page:"The Kush sprocket dampening mechanism(everything bar the sprocket teeth) is covered by a full replacement lifetime guarantee."
Seems like you may want to contact them for your free replacement!
Let us know how that turns out.
Regards....just jeff
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Old 11-12-2013, 09:32 PM   #82
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been there done that ......i wont be using them anymore
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Old 11-13-2013, 02:19 AM   #83
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been there done that ......i wont be using them anymore
Ryans been pretty helpful.I am going to give another one a go when they are in.
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Old 11-13-2013, 02:36 AM   #84
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mate im all for it and Ryan it a top fella with a great idea .....i still got mine but only a 1,000 odd k's on it so its still good .....
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Old 12-27-2013, 11:00 PM   #85
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Counter-sunk or counter bored?? Can stock Yamaha bolts be used??
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Old 01-19-2014, 04:31 AM   #86
Simple_One
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Any consensus on these as yet, are they selling the new 'V2' design as yet?

I'm looking for something for a Husqvarna TE630, and it's pretty hard to find cush hubs for these it would seem, though i hear you can retrofit a KTM hub with new bearings and some new spacers...
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Old 01-19-2014, 02:26 PM   #87
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I'm fairly certain its the V2 Simple_One
Just installed one on the 525. Feels like it's running a cush hub. If it lasts me 8000kms I'll be happy
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Old 01-20-2014, 01:19 AM   #88
Simple_One
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Okay, thanks, seems like a much easier solution than a cush hub, especially if you don't know for certain that you'll keep the bike forever. A back of the napkin type calc suggests there is stuff all difference in price based on the following assumptions (which I have just pulled out my arse and spent 2 minutes confirming on the internet - wild variance in the claims for longevity for all of the components mentioned below, these numbers are middle of the roadish, biased towards pessimism):

Cush Hub - Cost $550, lasts 60,000km's
Normal Sprocket - Cost $75, lasts 12,000km's
Kush Sprocket - Cost $95, lasts 6,000km's.

Costs:
A Cush Hub + Normal Sprocket Combo = $0.015417 / km
A Kush Sprocket = $0.015750 / km

Result:
Kush Sprocket Costs 102.16% of a cush hub + normal sprocket.
(That is to say, it costs ~2-3% extra to use a Kush Sprocket with the above assumptions - assuming equal effectiveness in driveline shock absorption, thus negating the argument of counter sprocket wear and driveshaft wear).

Those assumptions turn radically in favour of the Kush Sprocket if you sell your bike at say 30,000km's, simply because no one is going to pay you more for the fact that you already have a cush hub in a bike with 30,000km's on it even though it might last for another 30,000km's.

I know I'll get abused by fans of both concepts (hub vs sprocket) for being a ragingly biased **** ************ for those figures, but as i said, the variance in reported longevity is ridiculous. Price assumptions are plausible.

Simple_One screwed with this post 01-20-2014 at 02:25 PM
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Old 01-20-2014, 03:50 PM   #89
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Just an update for anyone who is wondering.
I refunded William's purchase as the sprocket was from a faulty batch( its polyurethane contained too much pigment which was acting as a plasticizer.)
You can see from the photos that the teeth have a lot more life than 7000kms.
We have a lifetime guarantee on all sprockets until their teeth are warn out.

Thanks

Ryan
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Old 01-20-2014, 06:12 PM   #90
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Quote:
Originally Posted by Kushsprockets View Post
Just an update for anyone who is wondering.
I refunded William's purchase as the sprocket was from a faulty batch( its polyurethane contained too much pigment which was acting as a plasticizer.)
You can see from the photos that the teeth have a lot more life than 7000kms.
We have a lifetime guarantee on all sprockets until their teeth are warn out.

Thanks

Ryan
Thanks
Also thanks for the replacement
kush sprockets are defiantly worth a go
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