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post #1 of 41 Old 06-12-2007, 08:37 AM Thread Starter
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Sprocket

Need a new AL 520 rear sprocket. Just thought I'd post up to see if anyone knows where the secret blowout sale on these suckers are at.

I'm using a Vortex sprocket currently and it sucks butt. Looking for AFAM or Renthal.

I haven't had time to shop lately. Thanks.

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post #2 of 41 Old 06-12-2007, 08:51 AM
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post #3 of 41 Old 06-12-2007, 08:53 AM Thread Starter
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Quote:
Originally Posted by jlux21 View Post
It's been awhile since I bought a sprocket, but isn't that high? Ignorant.

EDIT: Just did my first look at pricing. This seems reasonable. Renthal though, sounds like a fly-by-night outfit.

EDIT AGAIN: Sprocket Specialists, I've heard a lot about them over the years. Cheap, but no experience with em. Anyone? $38. Plus they make a 74 tooth rear sprocket for the RC-51.

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post #4 of 41 Old 06-12-2007, 08:56 AM
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I don't know but it was the cheapest one the price grabber found. For an RC51

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post #5 of 41 Old 06-12-2007, 09:08 AM
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Quote:
Originally Posted by ragdoll View Post
Need a new AL 520 rear sprocket. Just thought I'd post up to see if anyone knows where the secret blowout sale on these suckers are at.

I'm using a Vortex sprocket currently and it sucks butt. Looking for AFAM or Renthal.

I haven't had time to shop lately. Thanks.


Ya lazy bum!!!!!!!!!!!!!!!!

Get on your keyboard and start pecking you pecker

I said I never had much use for one.
Never said I didn't know how to use it."
Mathew Quigley
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post #6 of 41 Old 06-12-2007, 09:21 AM Thread Starter
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Hey Bigdaa, got find me a cheap sprocket.

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post #7 of 41 Old 06-12-2007, 09:34 AM
 
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the parts mgr here at the shop just got in his Sprocket Specialists rear for his priller motard, looks to be a good sprocket, but they're all aluminum, seems the alloys have much longer life

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post #8 of 41 Old 06-12-2007, 09:43 AM Thread Starter
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Quote:
Originally Posted by blueblur View Post
the parts mgr here at the shop just got in his Sprocket Specialists rear for his priller motard, looks to be a good sprocket, but they're all aluminum, seems the alloys have much longer life
Yesh. My (anal)Vortex sprocket is all AL and it lasted like 300 miles or something.

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post #9 of 41 Old 06-12-2007, 09:46 AM
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Sprockets

Spoiler:
[youtube]LnDc1Qh4bv8[/youtube]

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post #10 of 41 Old 06-12-2007, 09:55 AM Thread Starter
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Now's the time on shprokets where we dance. DOO Do dooo

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post #11 of 41 Old 06-12-2007, 11:45 AM
 
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Sprocket Specialist make good sprockets, make sure you ask for "hard Anodized" treatment and AL... unless you're a Rookie, Noob or Amateur, you can botch AL sprockets (well, squids can but... are you?)

Renthal or Afam are good ones as well... I could help but shipping to WI will aero-out any discount I can give you. e-mail me when you are ready and have made up your mind to see if I can help you a bit more.

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post #12 of 41 Old 06-12-2007, 11:50 AM
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ragdoll - you may want to PM Royalchoppers too. He is a vendor here on WT and has sprockets. A number of us have had nice transactions with him in the last couple months.

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post #13 of 41 Old 06-13-2007, 06:53 AM
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I've had good luck with Sprocket Specialists. It's been a few years, but Brian (I think that's his name) was excellent to deal with back then.

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post #14 of 41 Old 06-13-2007, 07:33 AM
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A hard anodized aluminum sprocket should last for at least 10,000 miles with proper chain maintenance, and even under less than optimal running conditions. That said, I shopped recently for the Tuono and the top three (in no particular order) were AFAM, Renthal, and Stealth. I have used Renthal before on my R1, and the 600RR. I liked the idea of the Tri-metal with steel teeth and an aluminum carrier, but finding them for the Tuono proved to be nearly impossible without going out of the US. I ended up with an AFAM hard anodized aluminum rear, and AFAM steel front.

Why would you replace only a rear sprocket without replacing the rest of the drive components? Just curious, as it has always been recommended to replace chain, and sprockets at the same time so everything beds in uniformly.

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post #15 of 41 Old 06-13-2007, 07:39 AM Thread Starter
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Quote:
Originally Posted by RidgeRunner View Post

Why would you replace only a rear sprocket without replacing the rest of the drive components? Just curious, as it has always been recommended to replace chain, and sprockets at the same time so everything beds in uniformly.
Because, I don't want to.

I looked at the front sprocket and it looks brand new. The chain's wear is minimal. The rear sprocket looks like I saw blade. I figure, if I can buy a rear for $50 and it lasts 8000 miles instead of 10000 miles because of the light wear of the chain it would be better than spending $250 for new everything.

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post #16 of 41 Old 06-13-2007, 11:53 AM
 
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Quote:
Originally Posted by RidgeRunner View Post
Why would you replace only a rear sprocket without replacing the rest of the drive components?
Because some of us are cheap & dumb at the same time.

Same logic behind the guy who changes only 1 fork seal kit because it is that only 1 that's leaking at the moment.

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post #17 of 41 Old 06-13-2007, 12:13 PM
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or changes one headlight bulb because only one is blown?

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post #18 of 41 Old 06-13-2007, 12:36 PM Thread Starter
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Quote:
Originally Posted by RidgeRunner View Post
or changes one headlight bulb because only one is blown?
Yeah, but those are comparisons to things that a lot of people DO. Say something like:

It's like getting a boob job on only one. Ask JohnnyB.

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post #19 of 41 Old 06-14-2007, 12:20 PM Thread Starter
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So I knew it was about to time replace the sprocket because I saw wear on it a few months back. I haven't actually LOOKED at it since then, just figured I'd order one because it won't last forever.

Anyways, I just looked at it last night to see how it's holding up... roughly half the teeth are gone. I'm awesome.

Ordered a Renthal from www.indysuperbike.com Way cheaper than anywhere else on it. They hose you on shipping, though. $12 to ship one state over, ground UPS... psh.

So the bike is grounded for a few days... Poop.

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post #20 of 41 Old 06-14-2007, 12:57 PM
 
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HALF the teeth are GONE??? like half of the number of teeth are gone or the teeth are half ground down? either way, damn!

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post #21 of 41 Old 06-14-2007, 01:09 PM Thread Starter
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Quote:
Originally Posted by blueblur View Post
HALF the teeth are GONE??? like half of the number of teeth are gone or the teeth are half ground down? either way, damn!
Busted off. I went from a 42 tooth sprocket to around a 21 tooth chain... yep.

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post #22 of 41 Old 06-14-2007, 01:11 PM
 
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Dude that is crazy, I want to see a pic.

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post #23 of 41 Old 06-14-2007, 01:35 PM
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Stop wheelieing the RC

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post #24 of 41 Old 06-14-2007, 01:40 PM Thread Starter
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Quote:
Originally Posted by farmerjoe View Post
Stop wheelieing the RC
I never wheelie it, I track it.

Yeah, I'll take a picture when I'm changing it.

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post #25 of 41 Old 06-14-2007, 04:38 PM
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Quote:
Originally Posted by blueblur View Post
HALF the teeth are GONE??? like half of the number of teeth are gone or the teeth are half ground down? either way, damn!
He was talkin' about the teeth in his head!

I plan to die young, as late as possible.
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post #26 of 41 Old 06-14-2007, 08:29 PM
 
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Quote:
Originally Posted by ragdoll View Post
Busted off. I went from a 42 tooth sprocket to around a 21 tooth chain... yep.
jesus dude... don't think i've ever seen a sprocket that bad

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post #27 of 41 Old 06-14-2007, 09:56 PM Thread Starter
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Yeah dude. It's no good. I'll post up a picture of it's hilariousness when I get it off the bike. I have my last AFAM sprocket hanging on the wall in my garage, it's in much better shape than the current one. I might put it back on until I get my new one next Wednesday. I can picture 4-5 days without bikey.

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post #28 of 41 Old 06-15-2007, 09:52 AM
 
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all work and no play make Homer go crazy!

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post #29 of 41 Old 06-20-2007, 08:49 PM Thread Starter
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Quote:
Originally Posted by motorwerks919 View Post
Dude that is crazy, I want to see a pic.
Alrighty.

Seriously, crap.


Here's a full shot showing ALL of the teeth missing now.


To the left is the last AFAM sprocket. It wore well. To the right is of course the new one. Way to the left was the original steel sprocket, looks like it never was used even though it had about 8000 miles on it(which, I know, is nothing for a steel sprocket).


Final product.


It is much quieter and actually I notice it's smoother. That might be from cleaning the dickens out of the chain and then rubbing some good ol gear oil on it, too.

Although I KNOW I could have taken better care of that sprocket I didn't abuse it or completely neglect it. That being said, what a piece of crap.

Side note. The metal sticker on my exhaust rubbed up against something(like two years ago) and pealed back a piece of it(in the picture). Anyone have an extra sticker? I don't really care, but if someone has it, neato.

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post #30 of 41 Old 06-20-2007, 09:22 PM
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Ragdoll is now known as the Sprocket Punisher.

I have never seen a sprocket that worn out. I think you should stick to steel sprockets. Then again, Vortex is [email protected] Regardless of make, being aluminum, you must keep it clean.

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post #31 of 41 Old 06-20-2007, 09:24 PM Thread Starter
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I could have gotten a few 1000 miles out of it.

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post #32 of 41 Old 06-20-2007, 09:27 PM Thread Starter
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I forgot to mention.

When I got the box that the sprocket came in, I opened it up to find that they threw in a very nice looking set of LED directionals(blinkers)! I have no idea what's going on there but I may be posting them up for sale on here soon.

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post #33 of 41 Old 06-20-2007, 09:29 PM
 
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Dang, it doesn't look like there are really any complete teeth on there

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post #34 of 41 Old 06-20-2007, 09:36 PM Thread Starter
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Quote:
Originally Posted by motorwerks919 View Post
Dang, it doesn't look like there are really any complete teeth on there
Nope. Last week after I noticed how bad it was I decided to park the bike until the new sprocket came. I then proceeded to ride it really hard one last time to a friends house. I didn't look at it again until today when I took it off. Found that the rest of the teeth snapped off on that last ride.

In Vortex's defense, they DO make a really crappy product.

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post #35 of 41 Old 06-21-2007, 05:00 AM
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Never seen anything like that! I'd be tempted to send that pic off to the manufacturer with a note just to see what kind of reply comes back.

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post #36 of 41 Old 06-21-2007, 06:55 AM
 
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Bling Bling is power now-a-days.

ragdoll, honestly... how in the hell where you able to change gears with that thing, steam roller?

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post #37 of 41 Old 06-21-2007, 08:58 AM Thread Starter
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Quote:
Originally Posted by RC90 View Post
Bling Bling is power now-a-days.

ragdoll, honestly... how in the hell where you able to change gears with that thing, steam roller?
Wha? There is a gear shifter on the left side of the bike. Pull in clutch, push down.

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post #38 of 41 Old 06-21-2007, 09:00 AM Thread Starter
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By the way, I did the job with my fancy bike floaty jedi trick again.


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post #39 of 41 Old 06-21-2007, 02:07 PM
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Vortex sprockets have always been crap, but there is alot of wear on the previous AFAM too. Either you are not keeping proper chain maintenance or you don't have enough slack for your chain. Remember it is always better to have too much chain slack than not enough Plus the size of the sprockets makes no difference in the required amount of chain slack, but if you increase the rear ride height of the bike (which we usually do on the RC51) you need to increase the amount of chain slack you run as well.

My article on sprocket choices
http://www.rc51.org/gearing.htm

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post #40 of 41 Old 06-21-2007, 02:09 PM Thread Starter
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Quote:
Originally Posted by Lord Duckhunter View Post
but if you increase the rear ride height of the bike (which we usually do on the RC51) you need to increase the amount of chain slack you run as well.
[/URL]
I raised the rear about 1 - 1.5 cm. I didn't ever consider needing more slack in the chain for that. Thanks for the info.

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