The one I have for anyone that wants to know is a JT brand #1503-12

As we all know buying and changing front sprockets is alot easier than rear ones so those of you looking to gear down can pick that up. I'm sure there are plenty of other brands but thats one of them.

EDIT:
As confirmed below the Sunstar 13 tooth is #342
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IOLITE PORTABLE VAPORIZER

 

but its better to go up in the rear than down in the front.... less chain wear.....

 

342 is the number.. Sunstars 13T Sprocket that fits our bikes part number is - 34213.. The last two digits indicate the number if teeth.. Hope this helped..

 

I disagree, I mean, who wants to stand through a movie just because the a$$holes in front won't sit down. LOL.
Hey Eric, how you been? How's the wife doing?

 

sorry for thread jack,, but if I was to get a chain and sprocket combo,, witch bike should I get it for.. Example... klx450,, klx250f,, kx250 etc...

 

HAHA.... at first i was like WTF.....

Im doing good... liking the new job. Not as much goof off time. Doing alot around the house gettin ready for the little girl. Life is good. Her pregnancy is gettin better.... starting to get bigger.


J rock... i dont think any kit for another bike will work for ours... not even a klx300.... ya gotta buy everything seperate....

 

Bummer,,, Thanks Eric

 

Savage, thanks. I was right for once then....yeeey. I edited my original post. I've seen several people ask about these so now theres a threaded title for it.
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Box vaporizer

 

Whats nice about the front one is its only 9 bucks I only buy the steel rears so those are only 20 a piece. I have a 13,14,15-39,40,42,45,,47,50 rear and the chains that go with them I rotate alot.

 

Of the information i've been sloothing though i found the following
moose has the following that will work
12t p/n m606-26-12
13t p/n 1212-0073
rear p/n m601-26-(47-52) thats forty seven though fifty two

jt has a 13t which is 516.13
rear is 460.(42-53)

renthal doesnt have a front but has rear

sunstar no but has rear

rk no

denis kirk sucks for finding parts. bike bandit doesnt show that jt has the 13t but i'm sure you can call and get it, is had the moose one you just have to use the p/n in the search or its ksf250, idk, goofy. rocky mountain nothing that i know of. JT sprokets is the most usefull site you can cross reference, get ratio charts, pretty usefull. also the 1503 that the other guy posted is not the correct dimention for exact replacement, its slightly thicker then the 516 series.