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Finally made my first chainring
I have been riding my Raleigh XXIX for 5 years and have wanting to make a chainring for it. I have all of the tools, but it has been hard to get around to it while keeping up with the regular jobs. I finally got one done this week. Took it for a spin this morning.
It's a 33T to replace the one Truvativ ring that came on the bike originally.
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If you can make an attractive spiederless version, you could sell plenty.
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What's more impressive is that when he says he had the tools, he was talking about a single chissel and a smelting pot.
Peanut butter Tuesday, if you know what I mean!
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 Originally Posted by squashyo
What's more impressive is that when he says he had the tools, he was talking about a single chissel and a smelting pot.
A CNC chisel, actually.
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Originally Posted by icantdrive65
A CNC chisel, actually.
Do you do this for a living? If you can make spiderless rings for less than $50, you may have a new job and could tell the boss to stick it.
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Originally Posted by SS Hack
Do you do this for a living? If you can make spiderless rings for less than $50, you may have a new job and could tell the boss to stick it.
Well, I am the boss already so...
I am messing around with designs so I can add this to my website. I have been selling derailleur hangers for an obscure bike and custom emblems for VWs for a couple years. I have a bashguard that I have been testing for umm...about 10 years that I need to get up there too.
A spiderless ring at that price should be no problem if I can sell them without a middleman. I don't want to get stuck in a spot like HBC, so I'm weighing what options I could make available to keep rings in stock and not have customers waiting months until they show up with pitchforks and torches in hand.
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Nice.
I'd be happy to push the design hard if you plan on making a bunch. There's a lot of room for interesting detail there.
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A Gentleman and a MTBR'
Reputation:
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Very Nice!
steel or alum ?
Last edited by Tone No Balone; 11-27-2012 at 08:43 PM.
Let's ride!
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Aluminum. This one is 6061 material that I had in my shop. I am just messing around with the design. I will pick up some 7075 later for strength and wear-resistance.
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Ran a lightweight version of the bash guard I made for my old Heckler 10 years ago. I switched that one over to my Blur when I got it in 2007. Now I have a shiny new one. I will have to send one out with the next batch of anodizing to make it look pro.
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Nice work! Those are some nice pieces.
"Paved roads...just another example of needless government spending"—paraphrased from rhino_adv
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I made a 32T ring for my Blur. It is super lightweight. I weighed it at the bike shop. I think it was 34 grams. I'm not sure about the strength, especially since it is made of 6061. I am anxious to get out and ride it. Rain is messing with me.
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Those are so badass I want one when you start
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Man... if you can design a 30T 104BCD chainring... the 1X and SS peeps will love you long time.
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Originally Posted by Dion
Man... if you can design a 30T 104BCD chainring... the 1X and SS peeps will love you long time.
This. Are there any good chainguides for a 30T front?
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Originally Posted by Dion
Man... if you can design a 30T 104BCD chainring... the 1X and SS peeps will love you long time.
I just did a quick drawing of a 30T 104 BCD chainring and found the fundamental problem with it. The profile of the teeth cuts into the chainring bolts.
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Originally Posted by icantdrive65
I just did a quick drawing of a 30T 104 BCD chainring and found the fundamental problem with it. The profile of the teeth cuts into the chainring bolts.
I thought so. I guess the only option with this is a splined sprocket and not a chainring.
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