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Rocket Rings

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Old 11-27-07 | 12:53 PM
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Rocket Rings

I've seen several posts recently about these Chainrings. They look like a saw blade but they are cheap as hell. What is the overall consensus on these chainrings. My bike came stock with a Truvativ Touro crankset and chainring and the chainring on it is horrible. It is so far out of true its unreal. I can look down at it while riding and watch the chainring pretty much wobble. But I saw on Amazon.com the rocket rings are like $13 and that can't be too bad of a deal to at least try. So if any of you all have them, do you like it? I may go ahead and get one till I can save up some more for a nice crankset and chainring.
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Old 11-27-07 | 12:56 PM
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I have a 43t that i got for something like 8 bucks shipped. I tossed it on and with about 5 mins of messing around with it got it to spin pretty round. Can't beat the price, though I do hate the extra set of holes. I think I'm going to mill it down some once my semester ends.
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Old 11-27-07 | 12:59 PM
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Mill it down? Like cut the extra holes off? Would that do any technical damage to the ring?
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Old 11-27-07 | 01:00 PM
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I've got about 2k miles on two different ones, I like the high teeth but I find they aren't made of a hard enough alloy, they deform at the base of the teeth. I say pop for the $25-30 Sugino or Salsa rigs, they're much higher quality and wear better as well.

edit: if your current ring wobbles, grab a big adjustable wrench and straighten that bad boy out. It's not that hard to do, and it doesn't have to be perfect.
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Old 11-27-07 | 01:04 PM
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It wobbles and I want a good cheap 47t chainring. Its hard to find a 47t chainring in 130bcd
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Old 11-27-07 | 01:10 PM
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Originally Posted by jdeane4
Mill it down? Like cut the extra holes off? Would that do any technical damage to the ring?
I'm using the larger bcd pattern on the ring. All I would do it toss the ring on a rotary table on the mill and cut the inner BCD holes off.
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Old 11-27-07 | 01:54 PM
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I've been riding the Rocket Rings for years, get them at the BMX shop online called Dans Comp. You can't be them for the price. No complaints here.
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Old 11-27-07 | 02:17 PM
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As posted before the teeth on my ring deformed pretty quick but that could be because it is a conversion with a chainline that may not be perfect. If I were to do it again I would most likely get a slightly better quality one that would last longer.
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Old 11-27-07 | 02:20 PM
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Well I just ordered mine and I am going to see how they feel. I just want a cheap replacement till I am able to afford an awesome crankset and chainring.
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Old 11-27-07 | 03:39 PM
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I have a 45T 1/8" rocket ring on my beater rain bike and I have no real problems with it. Its gone 2000+ miles in **** weather and is still going strong. It seems to work just as well as the $90 Sugino Zen chainring on my other bike.
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Old 11-27-07 | 04:01 PM
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I had a rocket ring that I ordered from Sheldon that was machined improperly. Some teeth were nearly half the thickness of others. I should have returned it right away, but instead ran it and the narrow teeth wore really fast.
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Old 11-27-07 | 04:06 PM
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Bikes: bianchi pista workhorse, cannondale r1000, mountain bike fixed conversion

the only two things i've ever heard bad about them are the above post and someone saying he thought they were total ****, though there was never any reason given.
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Old 11-27-07 | 04:15 PM
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I have a couple - thumbs up on both. And I think the extra holes look *****in.
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Old 11-27-07 | 04:56 PM
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Bikes: looks like a specialized crux now

running a 40t rocket ring. it is ok
was loud at first, but once i got it sorted out near silent.
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Old 11-27-07 | 06:07 PM
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Got lots of miles on mine. It's way more true laterally than my Ultegra ring on my cyclocross bike, but kinda sucks radially.
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Old 11-27-07 | 06:32 PM
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I have a couple Rocket rings. I don't use them because of the experience I had with the first one: teeth deformed at the base after only 2000 miles.
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Old 11-27-07 | 10:48 PM
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spend your money on a good quality ring. I've had a TA specialities zircal ring for 3 years (around 35,000km) and it still shows nearly no sign of wear
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Old 11-27-07 | 11:36 PM
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Anybody got any pictures of their rocket ring on their bike?
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Old 11-27-07 | 11:54 PM
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Bikes: looks like a specialized crux now

Originally Posted by jdeane4
Anybody got any pictures of their rocket ring on their bike?


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Old 11-27-07 | 11:55 PM
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Bikes: looks like a specialized crux now

looking at those pics, i just realized i lost my top tube pad
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Old 11-27-07 | 11:56 PM
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Are those the bulletproof cranks? How do you like that setup? What kind of bb are you using?
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Old 11-28-07 | 12:27 AM
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Bikes: looks like a specialized crux now

still cant find my top tube pad.

yeah those are 170mm bullet proof cranks, the ring is on the inner spider, and it is so tight i couldnt run a larger ring if i wanted to.

it took me a bit to sort out creaking chainring bolts, but i dont mind the combo at all. it isnt as pretty as some of those out there, but i cant see then when i am on the bike anyway.

the bike has a italian bb shell, so it is an odd size, but i cant remember which bb is in there right now. it was cheap as hell, and on my next bike i intend to go with a nicer one, but since this one was built on a budget.
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Old 11-28-07 | 12:36 AM
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Man, I was just searching velospace and some black bulletproof cranks w/ a black rocket ring looks pretty slick. I think instead of dropping $200 on high end cranks, I may just go ahead and get some bulletproof cranks. Are your bulletproofs pretty stiff and strong?
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Old 11-28-07 | 12:47 AM
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Bikes: looks like a specialized crux now

strong yes. stiff eh. some people have mixed feelings on them, they are stiff enough for me and i have used them a 900 pound bike with no issues.

I skid and slid and do all sorts of dumb stuff on mine with no qualms at all.
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Old 11-28-07 | 01:08 AM
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I love my bulletproof cranks. They are cheap and strong and dont really look to bad. The only downside I could think of would be that they are 110bcd which narrows your choice of chainrings.
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