Grumpy GreebJoined: 20 Aug 2005Posts: 5329Location: flavor country
enjoy cutting your chainstay in half.
Bo Ttorff
Posted: Fri Feb 24, 2012 2:23 pm
GO SEAHAWKS!! 12 for LYFEJoined: 20 Jul 2011Posts: 3092Location: King County
I was wondering about that. There must be an alternative?!
tehschkott
Posted: Fri Feb 24, 2012 2:30 pm
daywalkerJoined: 09 Nov 2007Posts: 6108Location: Hatertown
Belt drive was a neat idea but has sorta not really proven out. There's problems keeping tension, there's all kinds of torque problems causing a myriad of drivetrain issues. They just don't seem to stand up well.
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jimmythefly
Posted: Fri Feb 24, 2012 2:55 pm
Joined: 10 Jan 2007Posts: 1491
Bo Ttorff wrote:
I was wondering about that. There must be an alternative?!
You've got to either have a separation somewhere in your seat or chain stays, or have a elevated-chainstay design.
I wrote some snarkiness below, but decided it's kind of rude, but also decided I'm too lazy to re-type into a nice list of belt-drive's challenges.
The alternative is actually a pretty neat system. It's made of metal, you can actually shorten or lengthen it by smaller increments than the pre-made belt sizes you are limited too, it has more widely available metal gears that allow you more choice in ratio, it tolerates frame mis-alignment and poor chainline better than belt systems, allows flexier stays to be used, and it's a time-tested technology.
Oh shit. Also shaft drive, forgot about that one.
Bo Ttorff
Posted: Fri Feb 24, 2012 2:57 pm
GO SEAHAWKS!! 12 for LYFEJoined: 20 Jul 2011Posts: 3092Location: King County
jimmythefly wrote:
The alternative is actually a pretty neat system. It's made of metal, you can actually shorten or lengthen it by smaller increments than the pre-made belt sizes you are limited too, it has more widely available metal gears that allow you more choice in ratio, it tolerates frame mis-alignment and poor chainline better than belt systems, allows flexier stays to be used, and it's a time-tested technology.
hahaha. you don't say....
Bo Ttorff
Posted: Fri Feb 24, 2012 2:59 pm
GO SEAHAWKS!! 12 for LYFEJoined: 20 Jul 2011Posts: 3092Location: King County
so there is no performance advantage is what I am gathering?
joeball
Posted: Fri Feb 24, 2012 3:12 pm
Joined: 24 Jul 2005Posts: 6037Location: Ether
As mentioned you need a dedicated frame that lets you slip the belt in. For a 'conversion' I don;t think it is really the way to go but as a system and designed around a given bike (SS MTB or cyclocross or urban commuter) it is interesting.
If you're trying to just have a cleaner drivetrain, looking at your chain lubing technique may help. It's easy to over lube, I use a real light lube on most of my chains now. One drop per link, run the chain around, wipe it clean. And when i say clean I mean, try to get as much of the oil that you just put on the chain back off. I sometimes even let it sit and then wipe it clean again. This has resulted in much less black greasy chain gunk and I never actually wash my chain. I just re-lube when it gets a little squeaky.
Andrew_Squirrel
Posted: Fri Feb 24, 2012 3:33 pm
Joined: 01 Mar 2010Posts: 2098Location: Greenwood
jimmythefly wrote:
....or have a elevated-chainstay design.
We saw a cheap used frame down in Portland last weekend that had one of these, seemed like a great bike to experiment with.
so, in conclusion, they aren't fictional like I had previously thought.
justgarth
Posted: Fri Feb 24, 2012 3:54 pm
Joined: 04 Apr 2011Posts: 802
Not knowing what an elevated chainstay was, I went and google image'd it.
AFAIK Baron doesn't exist anymore, Geoff moved to California to work for Santa Cruz
This sounds familiar.
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limpyweta
Posted: Sun Feb 26, 2012 6:40 pm
Joined: 23 Sep 2008Posts: 740Location: North Beach
What's your motive here? Roller chains are very efficient, common, and trying a full chaincase (Hebie/Aaron's BR, Hesling, Nöll, AXA, Lakdoek, Dutch Bike Co/Workcycles, maybe a Sunbeam/Raleigh on ebay, maybe that shop in Spokane that sells Pashley imports) may take away the greasy issue if you want to throw that much money at it.
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Bo Ttorff
Posted: Mon Feb 27, 2012 8:38 am
GO SEAHAWKS!! 12 for LYFEJoined: 20 Jul 2011Posts: 3092Location: King County
limpyweta wrote:
What's your motive here?
I think my motive was not to ditch the chain cuz it's greasy, that was more of a throw away line. I am intrigued by the performance aspects. When I ride chain tension is important to me and I find myself spending 40 bucks annually on chains due to stretch etc. If a system is out there that could solve this issue I figured it would be worth prodding the topic in this community. With that said, after a chain of responses, it doesn't seem worth it.
Eric_s
Posted: Mon Feb 27, 2012 11:14 am
Joined: 07 Mar 2007Posts: 1691Location: the dirty south
Dunno, full fenders and a front mudflap has resolved my multiple chains a year problem on my singlespeed. Currently checking once a month, changing once a year or so. The front mudflap has easily doubled the life of my chain.
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