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  1. #226
    Senior Member
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    Quote Originally Posted by dro.pru View Post
    Track bags. I beleive Chicago velodrome sells one.
    Maybe another one of the track specific vendors. I sew, so i planned on making my own once i find the time.
    Do a search for Chicago Velodrome or my user name. I bought one and posted some pics. The bag is perfect for holding all your gearing and some tools.

  2. #227
    A little North of Hell
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    frictional loss

    Quote Originally Posted by Racer Ex View Post

    Big ass gears. Less RPM, less frictional loss.

    Interesting discussion.
    some trackkies are spinners, others are grinders.


    Big rings and cogs vs. small rings and cogs?

    56/15 vs. 49/13

    almost same rpm, more frictional loss with the smaller setup!?
    [SIGPIC][/SIGPIC]
    XXXI

  3. #228
    Brown Bear, Sqrl Hunter Jaytron's Avatar
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    What chains do you guys recommend?
    PedalRoom

    Hey I just met you,
    and this is crazy,
    but here's my Strava,
    follow me maybe.

  4. #229
    Senior Member
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    I use the black/blue HKK chain, the cheapest NJS one. Bulletproof. What were you using that broke?

  5. #230
    Brown Bear, Sqrl Hunter Jaytron's Avatar
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    Quote Originally Posted by Baby Puke View Post
    I use the black/blue HKK chain, the cheapest NJS one. Bulletproof. What were you using that broke?
    KMC 710SL

    I figured the master link had crapped itself, but I actually snapped a regular link somewhere.
    PedalRoom

    Hey I just met you,
    and this is crazy,
    but here's my Strava,
    follow me maybe.

  6. #231
    Senior Member
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    Quote Originally Posted by Jaytron View Post
    KMC 710SL

    I figured the master link had crapped itself, but I actually snapped a regular link somewhere.
    That's pretty crazy. How old was the chain? I have never seen a 1/8" chain break.

  7. #232
    Elitist carleton's Avatar
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    Quote Originally Posted by Jaytron View Post
    KMC 710SL

    I figured the master link had crapped itself, but I actually snapped a regular link somewhere.
    How?

    Did you ever take a pin out and push it back in or something?

    Quote Originally Posted by Baby Puke View Post
    That's pretty crazy. How old was the chain? I have never seen a 1/8" chain break.
    Me either.

  8. #233
    Senior Member Quinn8it's Avatar
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    Quote Originally Posted by carleton View Post
    bmontgomery, also consider the KMC K710 or K710-SL. These are about $20-25 and should be at local shops that cater to BMX or Fixed-Gear riders. It's burly chain made for BMX freestyle (which can be hard on chains) but is rated for like 4,000lbs of break force. It's heavier than others, but it's inexpensive, quiet, and strong.
    Carleton-
    Any difference between the K710 and the K710sl...
    I know that the SL is lighter... Wondering if its any real gain- or loss?
    compare to the KMC D101?

    The K710 is $14 on Amazon Prime right now- so it will al least be my off season chain...

  9. #234
    Brown Bear, Sqrl Hunter Jaytron's Avatar
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    Quote Originally Posted by carleton View Post
    How?

    Did you ever take a pin out and push it back in or something?



    Me either.
    I DID do that once. Accidentally had a pin come all the way out on me. Is that what did it?
    PedalRoom

    Hey I just met you,
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  10. #235
    Morton Nagrom_'s Avatar
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    Yup.
    Quote Originally Posted by seau grateau View Post
    No offense but you're an idiot.
    PedalRoom

  11. #236
    Elitist carleton's Avatar
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    Quote Originally Posted by Quinn8it View Post
    Carleton-
    Any difference between the K710 and the K710sl...
    I know that the SL is lighter... Wondering if its any real gain- or loss?
    compare to the KMC D101?

    The K710 is $14 on Amazon Prime right now- so it will al least be my off season chain...
    "SL" means Super Light. It just refers to the cutouts in the plates. Instead of having something like 4,000lbs of force required to break it, it requires 3,800, hahaha. It's a great option. I use that one, too.

  12. #237
    Brown Bear, Sqrl Hunter Jaytron's Avatar
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    Quote Originally Posted by Nagrom_ View Post
    Yup.
    Why?
    PedalRoom

    Hey I just met you,
    and this is crazy,
    but here's my Strava,
    follow me maybe.

  13. #238
    Morton Nagrom_'s Avatar
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    Quote Originally Posted by Jaytron View Post
    Why?
    Mushroomed pins aren't to be pushed back in.
    Quote Originally Posted by seau grateau View Post
    No offense but you're an idiot.
    PedalRoom

  14. #239
    Brown Bear, Sqrl Hunter Jaytron's Avatar
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    Quote Originally Posted by Nagrom_ View Post
    Mushroomed pins aren't to be pushed back in.
    PedalRoom

    Hey I just met you,
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    but here's my Strava,
    follow me maybe.

  15. #240
    Senior Member TrackMonkey7's Avatar
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    On the subject of chains, can Pintle chains be considered for racing? Or should those be left for fixie crowd?

  16. #241
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    Ask your small, random, track-related questions here

    Any fans of inch pitch chains and cogs? Anyone use them anymore?

  17. #242
    aka mattio queerpunk's Avatar
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    i don't know why anyone would bother.
    the hipster myth.

    i practice vagabondery.

  18. #243
    Senior Member
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    What do you use for a jamming tool?

  19. #244
    Senior Member Impreza_aL's Avatar
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    oops.
    Last edited by Impreza_aL; 12-29-13 at 08:27 PM.
    fried chicken and waffles.

  20. #245
    Senior Member
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    Ask your small, random, track-related questions here

    Do like riding at the front or at the back in a miss and out.

  21. #246
    aka mattio queerpunk's Avatar
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    the back.
    the hipster myth.

    i practice vagabondery.

  22. #247
    Resident Alien Racer Ex's Avatar
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    Quote Originally Posted by Soil_Sampler View Post
    some trackkies are spinners, others are grinders.


    Big rings and cogs vs. small rings and cogs?

    56/15 vs. 49/13

    almost same rpm, more frictional loss with the smaller setup!?
    That would be the case.

    Pretty simple physics; assuming the same wheel speed the tighter the radius the more a chain has to bend so there's more friction in the roller and side plates if they are loaded. Friction = power loss. How much loss and whether that's worth paying attention to is subjective. Thing with going to bigger rings and cogs is you add weight and some aero drag. Balancing that equation takes some time and access to things most people don't have.

    My quick mental mull would say bigger is a net gain. As an endurance guy who's lost a gold at Nats by one tick, it's worth paying attention to this stuff, but I also have a lot of time to work on other things. If you had 10 minutes to train, or ten minutes to calc a day, the benefit of the former would be obvious.

  23. #248
    Senior Member wens's Avatar
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    Quote Originally Posted by Jaytron View Post
    I DID do that once. Accidentally had a pin come all the way out on me. Is that what did it?
    Aren't those hollow pins? Master links exist largely because You're really likely to damage hollow pins pushing them in.
    Do you think we're gonna make it? / I don't know unless we try \ you could sit here scared to move / or we could take them by surprise

  24. #249
    Brown Bear, Sqrl Hunter Jaytron's Avatar
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    Quote Originally Posted by wens View Post
    Aren't those hollow pins? Master links exist largely because You're really likely to damage hollow pins pushing them in.
    They are hollow. TIL to not do that.
    PedalRoom

    Hey I just met you,
    and this is crazy,
    but here's my Strava,
    follow me maybe.

  25. #250
    Senior Member Kayce's Avatar
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    Quote Originally Posted by big chainring View Post
    Do like riding at the front or at the back in a miss and out.
    Depends on the field. Smaller fields I like to be around the back the whole way. But a big field I will stay up front for the first half. Playing the devil the whole race is a lot of fun, but wears you out. It is good for working on points race skills. So sometimes I will be devilin' as long as I can.
    If You Meet The Buddha On The Road, Kill Him

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