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Chainline Questions for fixie conversion project...
Hi,
For my fixie conversion project, I am at a stage to get the chainline set. Per http://www.sheldonbrown.com/chainline and http://www.sheldonbrown.com/deakins/...onversion.html, I have done the measurements and now have the sizes of the spacers i need to add to the rear axle. I will be need to add those spacers and redish the wheel. Now, the question is after i do this - meaning after mathematically proving that chainline is straight, is there something else i need to do ? If i go to a shop to do this will they be doing anything different or extra ? Since i am a rookie in terms of wheel building, i am planning to start out with a BMX freewheel (singlespeed) and then swap it out and put on a track cog. is this is a good way to go by ?? I am using a single sided hub. thanks, ravi |
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#2
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Chainline Questions for fixie conversion project...
Ravi wrote:
For my fixie conversion project, I am at a stage to get the chainline set. Per http:/sheldonbrown.com/chainline and http:/sheldonbrown.com/deakins/how-to-fixed-conversion.html, I have done the measurements and now have the sizes of the spacers i need to add to the rear axle. I will be need to add those spacers and redish the wheel. Now, the question is after i do this - meaning after mathematically proving that chainline is straight, is there something else i need to do ? If i go to a shop to do this will they be doing anything different or extra ? If your frame is straight, and your measurements are correct, doing the math is all that's needed. Since i am a rookie in terms of wheel building, i am planning to start out with a BMX freewheel (singlespeed) and then swap it out and put on a track cog. is this is a good way to go... Definitely not. Start with a fixed sprocket and save your money. Fixed is more fun. Lots of folks have the idea of starting up with a freewheel then converting to fixed, but most folks who go that route wind up never using the freewheel after they've ridden the fixed for long enough to get used to it (usually takes a couple of weeks.) See: http://sheldonbrown.com/fixed Sheldon "Fixed Is More Fun" Brown +----------------------------------------------+ | My mind is aglow with whirling, transient | | nodes of thought careening through a cosmic | | vapor of invention! --Mel Brooks | +----------------------------------------------+ Harris Cyclery, West Newton, Massachusetts Phone 617-244-9772 FAX 617-244-1041 http://harriscyclery.com Hard-to-find parts shipped Worldwide http://captainbike.com http://sheldonbrown.com |
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Chainline Questions for fixie conversion project...
Sheldon Brown wrote:
Ravi wrote: For my fixie conversion project, I am at a stage to get the chainline set. Per http:/sheldonbrown.com/chainline and http:/sheldonbrown.com/deakins/how-to-fixed-conversion.html, I have done the measurements and now have the sizes of the spacers i need to add to the rear axle. I will be need to add those spacers and redish the wheel. Now, the question is after i do this - meaning after mathematically proving that chainline is straight, is there something else i need to do ? If i go to a shop to do this will they be doing anything different or extra ? If your frame is straight, and your measurements are correct, doing the math is all that's needed. great thanks. I think my math is correct, I will double check it before i put on the spacers and start the dishing... Since i am a rookie in terms of wheel building, i am planning to start out with a BMX freewheel (singlespeed) and then swap it out and put on a track cog. is this is a good way to go... Definitely not. Start with a fixed sprocket and save your money. Fixed is more fun. Lots of folks have the idea of starting up with a freewheel then converting to fixed, but most folks who go that route wind up never using the freewheel after they've ridden the fixed for long enough to get used to it (usually takes a couple of weeks.) Ok, sounds good. I will get started with fixed itself and see if i really need freewheel in that case would go and get one. I fell in love with fixed gears when i rode one in the local velo. my worry was if i didn't build the wheel properly, i would end up in a mess.. but since my front wheel has already withstood ~150 total miles, may be i can take the risk and start with fixed itself... thanks, ravi See: http://sheldonbrown.com/fixed Sheldon "Fixed Is More Fun" Brown +----------------------------------------------+ | My mind is aglow with whirling, transient | | nodes of thought careening through a cosmic | | vapor of invention! --Mel Brooks | +----------------------------------------------+ Harris Cyclery, West Newton, Massachusetts Phone 617-244-9772 FAX 617-244-1041 http://harriscyclery.com Hard-to-find parts shipped Worldwide http://captainbike.com http://sheldonbrown.com |
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Chainline Questions for fixie conversion project...
Sheldon Brown wrote: Definitely not. Start with a fixed sprocket and save your money. Fixed is more fun. Lots of folks have the idea of starting up with a freewheel then converting to fixed, but most folks who go that route wind up never using the freewheel after they've ridden the fixed for long enough to get used to it (usually takes a couple of weeks.) See: http://sheldonbrown.com/fixed Absolutely!! Fixed Gear Desgrange Quote $19.95 "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 derailleur? We are getting soft... As for me, give me a fixed gear!" --Henri Desgrange, 1902 L'Equipe article. |
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Chainline Questions for fixie conversion project...
On Fri, 12 Aug 2005 13:22:32 -0700, Ravi wrote:
Now, the question is after i do this - meaning after mathematically proving that chainline is straight, is there something else i need to do ? make sure it's really straight by using your eyeballs and a straightedge along the outside of the chainring. Pedaling and listening is always good. Quiet? Good. If i go to a shop to do this will they be doing anything different or extra ? They'll break out the lazer chain sighting helmet and kevlar cog alignment spanners, but after that it's pretty much the same :P Since i am a rookie in terms of wheel building, i am planning to start out with a BMX freewheel (singlespeed) and then swap it out and put on a track cog. is this is a good way to go by ?? I am using a single sided hub. Good idea imho. I ride a freewheeling single--and though I'd love to have a dedicated fixie---the practicality of the fw is excellent. It's nice to be able to coast down hills at mile 30 when you're getting a bit winded. Try both--cogs are cheap. |
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Chainline Questions for fixie conversion project...
On 13 Aug 2005 07:15:11 -0700, "Qui si parla Campagnolo"
wrote: Sheldon Brown wrote: Definitely not. Start with a fixed sprocket and save your money. Fixed is more fun. Lots of folks have the idea of starting up with a freewheel then converting to fixed, but most folks who go that route wind up never using the freewheel after they've ridden the fixed for long enough to get used to it (usually takes a couple of weeks.) Absolutely!! Fixed Gear Desgrange Quote $19.95 "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 derailleur? We are getting soft... As for me, give me a fixed gear!" --Henri Desgrange, 1902 L'Equipe article. Of course, one could argue that things have Changed in the past hundred years. Jasper |
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Chainline Questions for fixie conversion project...
Jasper Janssen wrote: On 13 Aug 2005 07:15:11 -0700, "Qui si parla Campagnolo" wrote: Sheldon Brown wrote: Definitely not. Start with a fixed sprocket and save your money. Fixed is more fun. Lots of folks have the idea of starting up with a freewheel then converting to fixed, but most folks who go that route wind up never using the freewheel after they've ridden the fixed for long enough to get used to it (usually takes a couple of weeks.) Absolutely!! Fixed Gear Desgrange Quote $19.95 "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 derailleur? We are getting soft... As for me, give me a fixed gear!" --Henri Desgrange, 1902 L'Equipe article. Of course, one could argue that things have Changed in the past hundred years. 'Things' have changed but riders and cycling has not. Fixies are the way to go for an alternative, bad weather steed. Fun, easy, simple, what else is there? http://www.fixedgeargallery.com/2005/feb/chisholm.htm |
#8
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Chainline Questions for fixie conversion project...
On 18 Aug 2005 06:41:15 -0700, Qui si parla Campagnolo
wrote: Jasper Janssen wrote: On 13 Aug 2005 07:15:11 -0700, "Qui si parla Campagnolo" wrote: Sheldon Brown wrote: Definitely not. Start with a fixed sprocket and save your money. Fixed is more fun. Lots of folks have the idea of starting up with a freewheel then converting to fixed, but most folks who go that route wind up never using the freewheel after they've ridden the fixed for long enough to get used to it (usually takes a couple of weeks.) Absolutely!! Fixed Gear Desgrange Quote $19.95 "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 derailleur? We are getting soft... As for me, give me a fixed gear!" --Henri Desgrange, 1902 L'Equipe article. Of course, one could argue that things have Changed in the past hundred years. 'Things' have changed but riders and cycling has not. Fixies are the way to go for an alternative, bad weather steed. Fun, easy, simple, what else is there? The ability to get up hills while still cycling (i.e. without walking). Honestly, I have three front chainrings and on this morning's ride (and every morning's and every ride), I used all of them multiple times. -- Bob in CT |
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