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Old 05-12-09, 05:32 PM   #1
NicholasAMonzo
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Any Trials riders?

I have a 2005 Specialized Hardrock Sport that I want to convert to something a bit more trials like. I wanna lose the gears and maybe keep one or two on the back wheel. How do I go about on doing this conversion?

Thanks
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Old 05-12-09, 05:54 PM   #2
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I think that JonnyV here rides trials IIRC.
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Old 05-12-09, 06:20 PM   #3
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Well, I'm not a trials guy, but what I can say from playing around with some small trials type stuff is that you'd probably want a small frame.
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Old 05-12-09, 07:05 PM   #4
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Okay so maybe what I really wanted to ask is how to single speed my bike. I have this crank set here: http://bestbikezone.com/itemdetails.cfm?id=1194

Is it possible to take the larges ring off and go with just the smaller one?

Then just buy a single cog for the rear with some spacers and then buy a one speed chain and shorten it to the right length?

Thanks again.
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Old 05-13-09, 12:42 PM   #5
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Quote:
Originally Posted by NicholasAMonzo View Post
Is it possible to take the larges ring off and go with just the smaller one?

Then just buy a single cog for the rear with some spacers and then buy a one speed chain and shorten it to the right length?
Yes, you can remove the big ring and just use the small one. For the rear you will need spacers and a tensioner. Your chainring on the crank and most of the cogs for the rear that you find will use a 3/32" chain. Most single speed chains are 1/8" and will not work so well. Either shorten the chain you already have or go grab a SRAM 850 or something. Jenson has them for $12 right now.
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Old 05-13-09, 02:29 PM   #6
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Similar to this question, I currently have a Carrera Subway 2 (size 18 frame), however I recently purchased a Specialized P3 Dirt Jump Bike (Size 16.5 frame). As the P3 is a much smaller bike in comparison, I know long distance rides would not be as comfortable, so instead of selling on the P3, my friend suggested I swap out the Subway 2 headset and forks for the Marzocci Bomber forks on the P3, and switch the disc brakes (slightly bent rotors) for the caliper brakes from the P3, exchanging the wheels along with this. Is this wise? Or would I be better off leaving them both stock/customizing the P3 with Carrera parts instead of the vice versa, any advice on achieving the best combination of parts welcomed, but in short I want a small light bike that FURTHER combines trail riding with urban/street usage, thank you!
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Old 05-13-09, 07:26 PM   #7
NicholasAMonzo
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Thank you all for the info.

But would I NEED a tensioner? I've seen a few videos where they just shorten the chain enough to make it fit. I asked the guys at the local shop and they say that the people in those videos were extremely lucky to be able to do that cause it doesn't always work.

And what kinda spacers do I need? And can I use one of the cogs off my cassette to use as the single gear?

Thanks again

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Old 05-13-09, 07:46 PM   #8
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This would work out nice right?

http://www.pricepoint.com/detail/151...og-Spacers.htm

What I am pretty much doing is using these to line up the cog I choose from my cassette with the smallest ring on my crank right?

Thank you all so much.
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