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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 04-05-05, 10:43 PM   #1
PWRDbyTRD
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Singlespeed Done

I posted it in MTB, but didn't know if everyone went in there Anyways...it was a beater thrown together, no fancy new parts, used a triple crankset I got dirt cheap.

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Old 04-05-05, 11:09 PM   #2
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you have no seat. thats so hotttt right now.

nice job.
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Old 04-05-05, 11:20 PM   #3
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sweet. now get rid of those extra chainrings....
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Old 04-05-05, 11:21 PM   #4
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And post a pic of the actual drive train.
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Old 04-06-05, 12:54 AM   #5
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I digg it, and I'd also like to see more pics!
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Old 04-06-05, 01:36 AM   #6
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Quote:
Originally Posted by Jamtastic
you have no seat. thats so hotttt right now.

nice job.
I got a saddle, waiting on the seatpost.
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Old 04-06-05, 01:37 AM   #7
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Old 04-06-05, 04:42 AM   #8
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Do I see a U-brake? If so, that's the second one for the day in this forum! Yay!

Is it a Stumpjumper?
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Old 04-06-05, 05:55 AM   #9
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At least the first crash is out of the way.
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Old 04-06-05, 06:59 AM   #10
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Usually I would agree that you should try to ditch or grind down the extra rings, but in this case, I think they look kinda fresh.
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Old 04-06-05, 08:32 AM   #11
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I don't think I've ever seen brake bosses on the underside of the chainstays. That's hot.
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Old 04-06-05, 09:32 AM   #12
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How different do the two brakes feel? It can be difficult to set up a vbrake and non-vbrake combo. If you don't have them already get some brake levers that work for both cantis and vbrakes. Nice bike. I'm building a 1990 rockhopper and a SS currently.
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Old 04-06-05, 09:45 AM   #13
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maybe he wants the chainring to climb over logs?
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Old 04-06-05, 10:21 AM   #14
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maybe he wants the chainring to climb over logs?
or just as a cheap bash ring.
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Old 04-06-05, 11:07 AM   #15
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Quote:
Originally Posted by TheDL
I don't think I've ever seen brake bosses on the underside of the chainstays. That's hot.

It looks like that could be the old-school roller-cam brake? I could be wrong and it might just be canti's mounted upside down. But now I am getting nostalgic...

This type of brake was popular in the early 90's on mtb bikes. I think it fell out of favor because, obviously, that location is subject to receiving a tremendous amount of mud. Also, the brake was hard to adjust.

The cam was actually a plate with a special curve on the edges and the brake levers had rollers that followed the profile of the cam. When you applied your brake, the cam would pull out, and the rollers followed the profile to actuate the brakes. The nice thing about it is that the profile allowed for drastic increase of mechanical advantage as a function of cam position (ie mechanical advantage increases as you squeeze the brake harder).

It was cool for a while, then canti's got more popular, followed by v-brakes and disks.
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Old 04-06-05, 11:19 AM   #16
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I think there are newer U brakes made for BMX bikes that will fit and have better braking.
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Old 04-06-05, 11:25 AM   #17
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Quote:
Originally Posted by schwinnbikelove
Do I see a U-brake? If so, that's the second one for the day in this forum! Yay!

Is it a Stumpjumper?
Yay?! You weren't working in shops in the early nineties, were you? I hated those things.
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Old 04-06-05, 12:57 PM   #18
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Quote:
Originally Posted by Kiecker
or just as a cheap bash ring.
Until, of course, you bash your leg into it.
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Old 04-06-05, 01:27 PM   #19
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I am about to do the same thing to my old Paramount MTB. How are you keeping the chain tight on that thing? What gear ratio? Are those American Classic Hubs?
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Old 04-06-05, 01:29 PM   #20
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It's a specialized stumpjumper rockhopper, something like that. The extra chainring will be grinded down and turned into a cheap bashguard, as far as the brake, below is a more detailed pic...the rear brake basically sucks ass. I love on my front brakes. then again, it could have been how I had my weight seated since I had no saddle. Oh well...here is a better pic, I think it is a U brake...Either way the brake looks odd
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Old 04-06-05, 02:57 PM   #21
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Quote:
Originally Posted by jim-bob
Yay?! You weren't working in shops in the early nineties, were you? I hated those things.
Hey, be nice. You know I think you're cool. (hair)
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Old 04-06-05, 03:02 PM   #22
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Quote:
Originally Posted by Feltup
At least the first crash is out of the way.
HAHAHAHAH yeah you took care of that for me!
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Old 04-06-05, 03:02 PM   #23
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Quote:
Originally Posted by jfmckenna
I am about to do the same thing to my old Paramount MTB. How are you keeping the chain tight on that thing? What gear ratio? Are those American Classic Hubs?
The chain fits perfectly with a 32/17 ratio. I was going to go 32/15, but it just wasn't going to work. So that's how I'm keeping it tight I have no clue what hubs they are, feltup might chime in since it was his wheelset before mine.
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Old 04-06-05, 04:30 PM   #24
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Anyone want to take bets when the wheels explode? I say 3 days!
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Old 04-06-05, 08:10 PM   #25
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Anyone want to take bets when the wheels explode? I say 3 days!
Why would you say that? Are you just being an *******? I rebuild the hubs and trued and dished and tensioned the wheels. They are in great shape and will hold up well.
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