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  1. #1
    Have bike, will travel Barrettscv's Avatar
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    On-line tools for bike nurds

    The "Engineers" thread made me think that there is enough of a nurd-ish group here that might enjoy these bike tools. Only for the truly obsessive.

    The best general bike website: http://sheldonbrown.com/

    The best bike gearing tool: http://home.earthlink.net/~mike.sherman/shift.html

    Another good tool to be used in combination with the above: http://www.kstoerz.com/gearcalc/compare/

    A good bike fit calculator: http://www.competitivecyclist.com/za...LCULATOR_INTRO

    What you need to know about modern steel frames;

    In terms of overall tensile strength, here is the order from strongest to weakest of common bike tubing steels;
    1. Heat-treated air hardened steel (Reynolds 853, Columbus Foco, TrueTemper OXPlatinum)*
    2. Heat-treated CrMo(Tange Prestige HT, TrueTemper Verus HT Reynolds 725)
    3. Cold-drawn air hardened steel (Reynolds 631)*
    4. Cold-drawn 4130 CrMo(Reynolds 525, TrueTemper Verus, Tange Prestige/Infinity)
    5. High tensile steel(cheap dept. store bikes, cheaper bike shop bikes)
    * Air-hardened steels actually gain strength in the weld area after welding, but not along the whole tube.

    Modern Reynolds steel: http://www.fairing.com/Reynolds.asp?...ubreynolds=631

    Vintage Columbus steel: http://www.equusbicycle.com/bike/col...umbuschart.htm

    Bike Fork Trail Calculator: http://yojimg.net/bike/web_tools/trailcalc.php
    Last edited by Barrettscv; 05-12-13 at 02:30 PM.
    2014 Trek DS.1: "Viaggiatore" A do-it-all bike that is waiting in Italy
    2012 Pedal Force CG2: "Secolo Bicicletta" the modern carbon fiber road bike
    2012 Pedal Force CX2: "Carbone CX" the carbon fiber CX bike
    2010 Origin 8 CX 700: "Servizio Grave" Monstercross/29er bike
    1997 Simoncini Special Cyclocross: "Little Simon" lugged Columbus steel CX bike
    1987 Serotta Nova Special X: "Azzurri" The retro Columbus SPX steel road bike

  2. #2
    aka Tom Reingold noglider's Avatar
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    Also wikipedia. There are tons of pertinent articles there.
    Please email me rather than sending me a private message. My address is noglider@pobox.com

    Tom Reingold
    Residences: West Village, New York City and High Falls, NY
    Employer: Larry's Freewheeling, 301 W 110 St, New York, NY 10026
    Blogs: The Experienced Cyclist; noglider's ride blog

  3. #3
    Senior Member FlatSix911's Avatar
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    A good site for Weight Weenies

    http://weightweenies.starbike.com/

    And a spreadsheet for weighing every component on a bike.

    http://fairwheelbikes.com/c/updates-...plication.html

    (By selecting your desired components from dropdown lists you can build a virtual bike or custom
    wheel set and see what itís finished weight would be along with notes about the specific components).


    Last edited by FlatSix911; 05-13-13 at 08:34 PM.
    You cannot help the poor by destroying the rich.
    You cannot strengthen the weak by weakening the strong.
    You cannot bring about prosperity by discouraging thrift.
    You cannot lift the wage earner up by pulling the wage payer down.
    You cannot further the brotherhood of man by inciting class hatred.

  4. #4
    Have bike, will travel Barrettscv's Avatar
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    A data base of vintage bike componients: http://velobase.com/Default.aspx
    2014 Trek DS.1: "Viaggiatore" A do-it-all bike that is waiting in Italy
    2012 Pedal Force CG2: "Secolo Bicicletta" the modern carbon fiber road bike
    2012 Pedal Force CX2: "Carbone CX" the carbon fiber CX bike
    2010 Origin 8 CX 700: "Servizio Grave" Monstercross/29er bike
    1997 Simoncini Special Cyclocross: "Little Simon" lugged Columbus steel CX bike
    1987 Serotta Nova Special X: "Azzurri" The retro Columbus SPX steel road bike

  5. #5
    Have bike, will travel Barrettscv's Avatar
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    Repair Help and Education from Park Tool: http://www.parktool.com/blog/repair-help
    2014 Trek DS.1: "Viaggiatore" A do-it-all bike that is waiting in Italy
    2012 Pedal Force CG2: "Secolo Bicicletta" the modern carbon fiber road bike
    2012 Pedal Force CX2: "Carbone CX" the carbon fiber CX bike
    2010 Origin 8 CX 700: "Servizio Grave" Monstercross/29er bike
    1997 Simoncini Special Cyclocross: "Little Simon" lugged Columbus steel CX bike
    1987 Serotta Nova Special X: "Azzurri" The retro Columbus SPX steel road bike

  6. #6
    Seat Sniffer Biker395's Avatar
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    Silly as it sounds, a lot of people forget about this resource:

    http://techdocs.shimano.com/techdocs/index.jsp

    I've no Campy components, but I'm pretty sure they have an analogous site.
    Proud parent of a happy inner child ...
    www.photo395.com

  7. #7
    Senior Member
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    Great thread everyone!

  8. #8
    Senior Member volosong's Avatar
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    Quote Originally Posted by Barrettscv View Post
    ...
    What you need to know about modern steel frames;

    In terms of overall tensile strength, here is the order from strongest to weakest of common bike tubing steels;
    1. Heat-treated air hardened steel (Reynolds 853, Columbus Foco, TrueTemper OXPlatinum)*
    2. Heat-treated CrMo(Tange Prestige HT, TrueTemper Verus HT Reynolds 725)
    3. Cold-drawn air hardened steel (Reynolds 631)*
    4. Cold-drawn 4130 CrMo(Reynolds 525, TrueTemper Verus, Tange Prestige/Infinity)
    5. High tensile steel(cheap dept. store bikes, cheaper bike shop bikes)
    * Air-hardened steels actually gain strength in the weld area after welding, but not along the whole tube.
    My ol' Mondia is Reynolds 531. Where does that fit in to the above list?
    Deut 6:5

    ---

    "Ha ha! You fool! You fell victim to one of the classic blunders - The most famous of which is 'never get involved in a land war in Asia'".
    - Vizzini during his "battle of wits" with the Man in Black

  9. #9
    johnliu@earthlink.net jyl's Avatar
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    Calculator for speed vs watts based on rider size, weight, position, bike type, road grade, wind velocity, etc.

    http://bikecalculator.com/

    Very effective at revealing that your battleship guns are actually pop guns :-(
    Your signature contains too many lines and must be shortened. You may only have up to 2 line(s). Long text may have been implicitly wrapped, causing it to be

  10. #10
    Have bike, will travel Barrettscv's Avatar
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    Quote Originally Posted by volosong View Post
    My ol' Mondia is Reynolds 531. Where does that fit in to the above list?
    at the top of the Cold Drawn 4130 crowd.
    2014 Trek DS.1: "Viaggiatore" A do-it-all bike that is waiting in Italy
    2012 Pedal Force CG2: "Secolo Bicicletta" the modern carbon fiber road bike
    2012 Pedal Force CX2: "Carbone CX" the carbon fiber CX bike
    2010 Origin 8 CX 700: "Servizio Grave" Monstercross/29er bike
    1997 Simoncini Special Cyclocross: "Little Simon" lugged Columbus steel CX bike
    1987 Serotta Nova Special X: "Azzurri" The retro Columbus SPX steel road bike

  11. #11
    Trek 500 Kid Zinger's Avatar
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    Quote Originally Posted by volosong View Post
    My ol' Mondia is Reynolds 531. Where does that fit in to the above list?
    That's # 3, Cold-drawn air hardened steel, same as my 500 Trek. Very comfortable ride, moreso than my older Columbus tubed Trek 970.

  12. #12
    Have bike, will travel Barrettscv's Avatar
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    Quote Originally Posted by Zinger View Post
    That's # 3, Cold-drawn air hardened steel, same as my 500 Trek. Very comfortable ride, moreso than my older Columbus tubed Trek 970.
    I also have a 1983 970 road bike! Mine is a Columbus SP, It's a 64cm size. I had a 400 Trek with a 531 main triangle. I also had a Paramount made of 531. Good stuff!



    Last edited by Barrettscv; 05-14-13 at 08:21 AM.
    2014 Trek DS.1: "Viaggiatore" A do-it-all bike that is waiting in Italy
    2012 Pedal Force CG2: "Secolo Bicicletta" the modern carbon fiber road bike
    2012 Pedal Force CX2: "Carbone CX" the carbon fiber CX bike
    2010 Origin 8 CX 700: "Servizio Grave" Monstercross/29er bike
    1997 Simoncini Special Cyclocross: "Little Simon" lugged Columbus steel CX bike
    1987 Serotta Nova Special X: "Azzurri" The retro Columbus SPX steel road bike

  13. #13
    Trek 500 Kid Zinger's Avatar
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    Quote Originally Posted by Barrettscv View Post
    I also have a 1983 970 road bike! Mine is a Columbus SP, It's a 63cm size. I had a 400 Trek with a 531 main triangle. I also had a Paramount made of 531. Good stuff!
    Yeah I don't quite know if the 970 road bike was just a little stiffer ride because of the matl or possibly guage difference in the stays or something. It also had a sloping fork crown. It wasn't really uncomfortable but I could kick it out from under me standing on it on a rain soaked road, lol.

    I built it up with Ofmega parts and it was just a beautiful ride to see. And it was also a 63cm. The sorryest thing I ever had to do was to sell it so I could get my machinists tools shipped to San Diego from Dallas. I fell in love with the red and yellow Trek 970 frame as soon as I saw in in the bike shop and would probably cry if I saw a photo of one now.

  14. #14
    Have bike, will travel Barrettscv's Avatar
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    Quote Originally Posted by Zinger View Post
    Yeah I don't quite know if the 970 road bike was just a little stiffer ride because of the matl or possibly guage difference in the stays or something. It also had a sloping fork crown. It wasn't really uncomfortable but I could kick it out from under me standing on it on a rain soaked road, lol.

    I built it up with Ofmega parts and it was just a beautiful ride to see. And it was also a 63cm. The sorryest thing I ever had to do was to sell it so I could get my machinists tools shipped to San Diego from Dallas. I fell in love with the red and yellow Trek 970 frame as soon as I saw in in the bike shop and would probably cry if I saw a photo of one now.
    My Trek 970 is still being built up. I like the Trek frames made with Columbus SP. I find many steel bikes to be a little flexy, Columbus SP solves that problem!

    This is my 1978 Trek TX 900 in a 25 1/2 inch size, also made of Columbus SP. With a supple tire and moderate air pressure, it provides a firm and responsive ride;

    Last edited by Barrettscv; 05-14-13 at 08:23 AM.
    2014 Trek DS.1: "Viaggiatore" A do-it-all bike that is waiting in Italy
    2012 Pedal Force CG2: "Secolo Bicicletta" the modern carbon fiber road bike
    2012 Pedal Force CX2: "Carbone CX" the carbon fiber CX bike
    2010 Origin 8 CX 700: "Servizio Grave" Monstercross/29er bike
    1997 Simoncini Special Cyclocross: "Little Simon" lugged Columbus steel CX bike
    1987 Serotta Nova Special X: "Azzurri" The retro Columbus SPX steel road bike

  15. #15
    Senior Member climberguy's Avatar
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    On-line tools for bike nurds

    Good thread but you might want to check the spelling of the last word in the title. When first I glanced at it, I almost thought it began with a "t".
    And I did it all clean.

  16. #16
    Trek 500 Kid Zinger's Avatar
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    Quote Originally Posted by Barrettscv View Post
    My Trek 970 is still being built up. I like the Trek frames made with Columbus SP. I find many steel bikes to be a little flexy, Columbus SP solves that problem!

    This is my 1978 Trek TX 900, also made of Columbus SP. With a supple tire and moderate air pressure, it provides a firm and responsive ride;

    Nice 900

    Yeah mine was a 62, not a 63, now that I think about it. And that was from c/l to top, not c/l to cl. It just wasn't as tall as that 900. Columbus SP is really great for bikes that tall and especially when climbing. The 970 was an all out racing bike and those frames were hand made, not on a computerized jig fixture.

    The 500 that replaced it with in San Diego is grey metallic with red bar tape and pump...a lot more subdued in appearence but slightly less stiff and more subdued is just about right for me 30 years later.

  17. #17
    Trek 500 Kid Zinger's Avatar
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    Quote Originally Posted by climberguy View Post
    On-line tools for bike nurds

    Good thread but you might want to check the spelling of the last word in the title. When first I glanced at it, I almost thought it began with a "t".
    Anyone who is tempted to cry over a bike they sold has established nerd creds.
    That's why we're posting here.
    Last edited by Zinger; 05-13-13 at 10:41 PM.

  18. #18
    Have bike, will travel Barrettscv's Avatar
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    Quote Originally Posted by climberguy View Post
    On-line tools for bike nurds

    Good thread but you might want to check the spelling of the last word in the title. When first I glanced at it, I almost thought it began with a "t".
    Both N.U.R.D. and N.E.R.D. are correct spellings according to http://www.thefreedictionary.com/nurds
    2014 Trek DS.1: "Viaggiatore" A do-it-all bike that is waiting in Italy
    2012 Pedal Force CG2: "Secolo Bicicletta" the modern carbon fiber road bike
    2012 Pedal Force CX2: "Carbone CX" the carbon fiber CX bike
    2010 Origin 8 CX 700: "Servizio Grave" Monstercross/29er bike
    1997 Simoncini Special Cyclocross: "Little Simon" lugged Columbus steel CX bike
    1987 Serotta Nova Special X: "Azzurri" The retro Columbus SPX steel road bike

  19. #19
    The Recumbent Quant cplager's Avatar
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    Quote Originally Posted by Barrettscv View Post
    Both N.U.R.D. and N.E.R.D. are correct spellings according to http://www.thefreedictionary.com/nurds
    Huh. Did not know that.

    p.s. Nice thread. Lots of good links here.
    Last edited by cplager; 05-14-13 at 01:41 PM. Reason: Added postscript
    http://Charles.Plager.net
    http://RecumbentQuant.blogspot.com

  20. #20
    feros ferio John E's Avatar
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    I love that gear calculator. My favorite vintage bike sites include:

    http://classicrendezvous.com/Austria/Capo.htm (sorry, I could not resist directing everyone to the Capo page )

    http://mombat.org/MOMBAT/Bikes/1988_Schwinn_KOM.html (sorry, could not resist pointing to the Project KOM page )
    "Early to bed, early to rise. Work like hell, and advertise." -- George Stahlman
    Capo [dschaw'-poe]: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger, S/N 42624
    Peugeot: 1970 UO-8, S/N 0010468
    Bianchi: 1981 Campione d'Italia, S/N 1.M9914
    Schwinn: 1988 Project KOM-10, S/N F804069

  21. #21
    Banned.
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    Disraeli Gears (the web site, the album is fantastic too) is my favorite to just look at the many derailleur designs over the years and the history they represent:http://www.disraeligears.co.uk/Site/Home.html

    And from BF's own Mechanics Forum stickies, the quick link list that Sheldon assembled for us:http://www.bikeforums.net/showthread...-com-shortcuts

    Bill

  22. #22
    Senior Member digibud's Avatar
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    here's my favorite gear calculator

    http://www.gear-calculator.com/#

  23. #23
    Senior Member BlazingPedals's Avatar
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    This is the granddaddy of speed/power calculators. Like jrl's speed/power calculator, except it has more capabilities to calculate for other types of bikes than just a generic upright.
    http://www.kreuzotter.de/english/espeed.htm

  24. #24
    Bike Recycler werwer2012's Avatar
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    Being new to bike repair I am always looking for articles on " Repairing Bikes " . I have to admit that there is still a lot I have to learn like all the gear ratios and different charts that there are for different things. But right now I just try and learn what I can as I need it. I do have a couple of the bike repair reference books and get a lot of information from the internet as well. So I learn as I go along.

  25. #25
    Senior Member zandoval's Avatar
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