Point83.com Forum Index » Wrenches, Gears, and Routes » Fixed drop outs
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| jeff |
 Posted: Wed Apr 04, 2007 12:29 pm |
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SOC pussy
Joined: 05 May 2006
Posts: 3374
Location: Seattle
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My mtn bike has fixed dropouts, but I'd still like to convert it to single speed.
What's the most logical solution to getting around the fixed dropouts: eccentrick bottom bracket or single-speed chain tensioner? |
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| zuvembi |
| Posted: Wed Apr 04, 2007 12:36 pm |
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Joined: 24 Jul 2005
Posts: 927
Location: Little Addis Ababa
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How about the the ENO eccentric hub?
The chain-tensioner would be the way I go, but I'm lazy. |
Last edited by zuvembi on Wed Apr 04, 2007 12:37 pm; edited 1 time in total
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| henry |
| Posted: Wed Apr 04, 2007 12:36 pm |
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somewhat piggish
Joined: 05 Aug 2005
Posts: 5263
Location: on porch with shotgun
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| How much money do you want to spend? |
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| jeff |
| Posted: Wed Apr 04, 2007 12:47 pm |
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SOC pussy
Joined: 05 May 2006
Posts: 3374
Location: Seattle
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henry wrote: How much money do you want to spend?
We're talking about bike parts right? tee-hee.
Chain tensioners are pretty cheap $30 or so. So in that range give or take a $20 spot. |
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| henry |
| Posted: Wed Apr 04, 2007 12:53 pm |
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somewhat piggish
Joined: 05 Aug 2005
Posts: 5263
Location: on porch with shotgun
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| jeff |
| Posted: Wed Apr 04, 2007 12:55 pm |
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SOC pussy
Joined: 05 May 2006
Posts: 3374
Location: Seattle
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| joeball |
| Posted: Wed Apr 04, 2007 1:01 pm |
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Joined: 24 Jul 2005
Posts: 5020
Location: Over the bridge and up the hill
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| jeff |
| Posted: Wed Apr 04, 2007 1:11 pm |
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SOC pussy
Joined: 05 May 2006
Posts: 3374
Location: Seattle
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As usual, Andre comes armed with the facts.
Thanks, I stand corrected on the drop outs. |
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| lantius |
| Posted: Wed Apr 04, 2007 1:39 pm |
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1337
Joined: 22 Jul 2005
Posts: 6535
Location: right over
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i'd like to put my dollar in the hat as a vote for magic gearing and half-links. the police bike kicked twice as much ass when i got rid of the derailleur-turned-tensioner and built it with a direct chainline. the chain has stretched just enough that it's perfectly tight in the dropouts with the gearing i wanted.
the one trick is that it is alot easier if you have a couple chainrings to play with and a cassette hub so you can easily use a number of different cog sizes. |
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| dashap |
| Posted: Wed Apr 04, 2007 2:21 pm |
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professor
Joined: 21 Jun 2006
Posts: 663
Location: central district
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| And if you really want to be a cheapskate on the chain tensioner thing, you can (or at least I have) used an old derailer, with the limit screws all tightened up. |
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| joeball |
| Posted: Wed Apr 04, 2007 2:24 pm |
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Joined: 24 Jul 2005
Posts: 5020
Location: Over the bridge and up the hill
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| Aaron |
| Posted: Wed Apr 04, 2007 7:46 pm |
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Joined: 25 Jul 2005
Posts: 4645
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| I stock both 3/32" and 1/8" half links. |
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| Bo Ttorff |
| Posted: Sun Apr 01, 2012 2:05 pm |
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Joined: 20 Jul 2011
Posts: 726
Location: interbay
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| Does anyone recommend a certain type of chain tensioners for a fixed gear with vertical dropouts? |
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| lantius |
| Posted: Sun Apr 01, 2012 3:54 pm |
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1337
Joined: 22 Jul 2005
Posts: 6535
Location: right over
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Bo Ttorff wrote: Does anyone recommend a certain type of chain tensioners for a fixed gear with vertical dropouts? |
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| the dreaded ben |
| Posted: Sun Apr 01, 2012 5:56 pm |
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Grumpy Greeb
Joined: 20 Aug 2005
Posts: 4549
Location: flavor country
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lantius wrote: Bo Ttorff wrote: Does anyone recommend a certain type of chain tensioners for a fixed gear with vertical dropouts? As far as I know there are no commercial chain tensioners that'd work with a fixed gear. Your best bet is a White Industries ENO eccentric hub or get a different frame.
and let me be the first to tell you the eno hub is a < ideal solution. |
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| Bo Ttorff |
| Posted: Sun Apr 01, 2012 6:01 pm |
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Joined: 20 Jul 2011
Posts: 726
Location: interbay
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| ksep |
| Posted: Sun Apr 01, 2012 8:25 pm |
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Joined: 27 Jan 2007
Posts: 1602
Location: Westlake
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Bo Ttorff wrote: Does anyone recommend a certain type of chain tensioners for a fixed gear with vertical dropouts?
You can't do that. Chain tensioners create single speeds not fixed gears. It's going to fail when you backpedal. quote Sheldon Brown:
"Note! Chain tensioners cannot be used with fixed-gear or coaster brake systems! They don't maintain tension when there is backward force applied to the pedals, and the chain can derail as a result." |
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-Kevin |
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| Bo Ttorff |
| Posted: Sun Apr 01, 2012 8:47 pm |
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Joined: 20 Jul 2011
Posts: 726
Location: interbay
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| Thanks for the feedback guys. |
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| archie |
| Posted: Sun Apr 01, 2012 11:20 pm |
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Joined: 21 Jul 2011
Posts: 81
Location: cloud nine
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| A while back, Bike So Good had a new ENO hub somebody ordered but bailed on that Ashok was anxious to get rid of. You might be able to get a good deal on it if he still has it. I'm pretty sure it had a fixed side.or do they all? |
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| Alex |
| Posted: Mon Apr 02, 2012 5:28 am |
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Joined: 18 May 2006
Posts: 2646
Location: Roosevelt
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I have an Alfine tensioner that you can have for one pint of beer next time we're out mountain biking.
The two cogs don't really help you, but they also shouldn't really hurt. |
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| jeff |
| Posted: Mon Apr 02, 2012 8:31 am |
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SOC pussy
Joined: 05 May 2006
Posts: 3374
Location: Seattle
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I ended up using the cheapest singulator money could buy.
It got me to 6,000 feet and back alive.
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Rides quarterly. |
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| Alex |
| Posted: Mon Apr 02, 2012 10:07 am |
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Joined: 18 May 2006
Posts: 2646
Location: Roosevelt
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doh, I didn't see that Bo had reawakened a 5 year old thread. of course I've ridden with you plenty of times while you were on that Schwinn.
alex |
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| jeff |
| Posted: Mon Apr 02, 2012 10:11 am |
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SOC pussy
Joined: 05 May 2006
Posts: 3374
Location: Seattle
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Cheap and effective.
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Rides quarterly. |
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| Alex |
| Posted: Mon Apr 02, 2012 7:28 pm |
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Joined: 18 May 2006
Posts: 2646
Location: Roosevelt
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| Yup, I have a couple of those in service, they do the job nicely. |
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| Bo Ttorff |
| Posted: Mon Apr 02, 2012 8:44 pm |
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Joined: 20 Jul 2011
Posts: 726
Location: interbay
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Alex wrote: doh, I didn't see that Bo had reawakened a 5 year old thread.
I didn't want Andre to get upset that I started a new thread on an existing topic that had reasonable responses.
Again, I appreciate the feedback. I realize I'm SOL and just have to stick with the ol' crescent wrench chain tensioner. |
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| tehschkott |
| Posted: Mon Apr 02, 2012 8:52 pm |
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daywalker
Joined: 09 Nov 2007
Posts: 4927
Location: Hatertown
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| You can always use Tug Nuts if you have track dropouts. |
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| PJ Diddy |
| Posted: Wed Apr 04, 2012 7:26 pm |
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Joined: 25 Jul 2005
Posts: 516
Location: magnolia
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jeff wrote: I ended up using the cheapest singulator money could buy.
It got me to 6,000 feet and back alive.
I remember this ride and remember the pain that Ben was in. What was the name of that mountain we reached. I remember getting to a second that day as well. That was the most hike a bike ever. |
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