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Discussion Starter #1
I am in need of a set of sprockets and a chain for the 98 m900. I am thinking of going up 2 in the back and leaving the front as is. but i would like to know if i need to have steel sprockets or if brands like vortex will last. any help appreciated.
 

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I just ordered som e from sprocketspecialist.com. I was stuck out of town, and they overnighted them to my friend's house...you might be able to find a better price, as I didn't really have a chance to shop around because I was in a bind, but I'll bet they have whatever you need in stock.
 

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I've purchased from both Cal Cycle works and Sprocket Specialist and they are both great. I have been disappointed with my experience with AL sprockets. They last me about 5000 mi or less. That computes to about 4 rear sprockets to the life of an x-ring chain. Of course, if your after pure performance and not high miles (as I am) they are the way to go. Steal should last as long as the chain. Last year I switched to a trimetal sprocket. Super harden steel on an outer rim with an AL core, looks a bit like your front brake rotor. Their web site is http://www.sidewindersprockets.com/toc.htm I have used mine for a season now (about 5k miles) and it shows no sign of wear. However, this is an expensive option so be prepared for sticker shock.
 

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i got my rear from sprocketspecialist.com . picked up a black titan annodized. it was beautiful and arrived 5 days after i ordered.. pretty quick for a special order that had to be customized. [clap]

the front i went with a 14t 916 drilled afam steel.

chain DiD vm

the front and chain i got from a local dealer.

the 14 front give me about the equivalent of going 2.6 teeth up in the rear, giving me a 2.78 ratio.
i was thinking of going a 14 - 40 set up, giving me a 2.86 ratio, but decided to try it with the 39 first.

i get a lot more torque in the upper gears and it more closely matches the US speed limits

the idea of going with the 14 and the aluminum rear is that it is lighter, front and rear and takes less energy on the shaft and rear wheel and thus that enery is transfered to the rear wheel's motion.
 

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AKmnstr said:
I've purchased from both Cal Cycle works and Sprocket Specialist and they are both great. I have been disappointed with my experience with AL sprockets. They last me about 5000 mi or less. That computes to about 4 rear sprockets to the life of an x-ring chain. Of course, if your after pure performance and not high miles (as I am) they are the way to go. Steal should last as long as the chain. Last year I switched to a trimetal sprocket. Super harden steel on an outer rim with an AL core, looks a bit like your front brake rotor. Their web site is http://www.sidewindersprockets.com/toc.htm I have used mine for a season now (about 5k miles) and it shows no sign of wear. However, this is an expensive option so be prepared for sticker shock.
it should have lasted more than that, i spoke to several persons before i went with the alum... i was told they should last at least 7k mi, if not 10k mi. i went with one of the newer titan finish ones that are suppose to last twice as long....
 

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Discussion Starter #7
any more input on the aluminum verse steel debate. i ride my bike some long distances but mostly around town and do not baby it at all if that makes a difference
 

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if you are racing and have the time/money to use aluminum then go for it, i have no criticism...

if you have a daily or pleasure rider just think about the weight savings that we are talking about here. when you compare the weight savings that an aluminum sprocket provides to the overall weight of the drive train, yet alone just the rear wheel/tire, how much of a difference are you going to be able to feel on the street?
 

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Hey AKmnstr....I cant even see that they make sprockets for the ducati on their crappy website. Is there another link, or did you call them? thanks
Yes they web site sucks and I did call them. Their customer service was good. They do have a large inventory.

it should have lasted more than that, i spoke to several persons before i went with the alum... i was told they should last at least 7k mi, if not 10k mi. i went with one of the newer titan finish ones that are suppose to last twice as long....
So far I've used up 3 AL sprockets. I ran one until it was loosing teeth. My bike has a lot of mods and puts out extra hp and I push it hard at times. That may account for the service I got from AL. I haven't checked my log but I may have gotten as much as 7k out of one of them. One of the AL sprockets has been on my GF's sv650 and has lasted a bit longer. She is a conservative rider so that may be the reason. In any case I have not been satisfied with the AL sprockets. We like to think of ourselves as sport-tourers, doing longer trips and a lot of miles. To me the AL sprockets became an annual replacement and a hassle. But that's just me. I found the trimetal to be a great replacement but expensive. I have to replace the AL sprocket on the SV this winter and will either go with the trimetal of steel. I don't mean to discourage anyone from getting AL. If you haven't used one and are curious, give it a try and see if you notice a difference.
 

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Hey AK, I called them but they didnt have the s4r listed...wanted me to measure bolt diameters, etc.... too much work. bummer, cuz they look nice
Damn, my bike is a 98 model, which I suppose takes a different sprocket. Sorry to mislead you and anyone else. If your going to pay >$150 for a sprocket you shouldn't have to measure your old one. :-[
 
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