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  1. 6800 is 11-speed. I'd think with 10-speed you'd...

    6800 is 11-speed. I'd think with 10-speed you'd run into problems? Get the 105 5800 11 speed 11-32 cassette if you want cheaper than the Ultegra one. And make sure your RD is the "GS" longer cage.
  2. According to this Runner's World article: How...

    According to this Runner's World article: How Many Calories Are You Really Burning? | Runner's World, scientific studies disagree with this.
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    A lot of lights are intended for commuters, who...

    A lot of lights are intended for commuters, who may only be riding for say half an hour a night. Charge once a week for 4 commutes or whatever, and a lot of them will be using flashing modes which...
  4. You are making things overly complicated by...

    You are making things overly complicated by bringing in oval chainrings. The guy's claim was basically something like a 34/17 gear is easier to push than a 50/25 gear despite them being the exact...
  5. OK fair enough. I should have more carefully...

    OK fair enough. I should have more carefully expounded that you get more leverage based on chainring diameter if you are looking directly at the speed of the chain and not the end result of tire...
  6. Um, you apparently have no clue how leverage...

    Um, you apparently have no clue how leverage works. The 50/17 is going to be easier to push than the 34/11, not the other way around. Mechanical advantage is basically a function of how much wheel...
  7. Ouch. I got mine for $300 through local...

    Ouch. I got mine for $300 through local optician, but that was after a bunch of insurance allowances & discounts. They said without insurance it would have been $600-something. Also I'm only -5.25...
  8. Try the Rudy "Exception" model that has a high...

    Try the Rudy "Exception" model that has a high power insert option (smaller insert, lose a bit of peripheral vision on the insert). www.sportrx.com/blog/tag/rudy-project-exception claims they did as...
  9. Thread: training plan

    by stephtu
    Replies
    11
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    453

    For zone 3, 3 intervals 10 minutes each with 2...

    For zone 3, 3 intervals 10 minutes each with 2 minute rest between intervals makes most sense. Most training plans I see mean this when they say 3x10. For Macha's interpretation they write 10x3. ...
  10. You are comparing a drop-bar bike with STI...

    You are comparing a drop-bar bike with STI brake/shift levers to a flat bar road bike with flat bar trigger shifters. That's a far bigger difference than anything else, it's costly to shift from one...
  11. Thread: Road bike size

    by stephtu
    Replies
    12
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    666

    It makes a difference, but for most people, they...

    It makes a difference, but for most people, they can go up or down a size and make it work OK with some stem swapping. Depends where you are between sizes too, if you are more in between using a 56...
  12. - It's definitely more suited for road riding...

    - It's definitely more suited for road riding than a MTB
    - Probably weighs 22-23 pounds not 20. Weight mainly makes a difference on uphills only, faster than MTB mainly because of smooth high...
  13. Why are those the only two options? Have you...

    Why are those the only two options? Have you hunted around your local craigslist for a bigger bike of similar quality you could buy or maybe swap for? What kind of components are on the Allez, is...
  14. Capacity wouldn't be an issue as long as you...

    Capacity wouldn't be an issue as long as you avoid small/small combination which isn't really supposed to be used anyway. But do you really need an 11 tooth cog? Are you often finding yourself on...
  15. Most likely you don't need these, depends on how...

    Most likely you don't need these, depends on how much the bike was ridden not how old it is, and if previous owner replaced chain at reasonable intervals. And certainly if you do it'd be a far...
  16. Thread: Again

    by stephtu
    Replies
    25
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    873

    Alternatives are Libra (Android), trendweight.com...

    Alternatives are Libra (Android), trendweight.com (website, so any platform), and True Weight (iOS).
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    ?? It gives him only one extra gear, not "extra...

    ?? It gives him only one extra gear, not "extra gears", and what sort of training requires you to go so easy that it's < 8 mph on the flat? Use the 12-28 if doing training on hills steep enough that...
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    Larger cassette won't help you at all on a flat...

    Larger cassette won't help you at all on a flat course. The larger cassette just trades an intermediate cog (like the 16 in between 15 and 17), for the 28 cog. On a flat course, when would you ever...
  19. So inferring is improper, I can only argue...

    So inferring is improper, I can only argue against explicit suggestions? What is the purpose of stating such facts if it is not a suggestion that this is what people ought to be doing? He didn't...
  20. Efficiency has practical limits. At some point...

    Efficiency has practical limits. At some point the differences become minor & negligible. Or are you eagerly waiting for someone to invent a CVT for bicycles so that you can achieve perfectly...
  21. So, you considered 5 cogs from 13-21 suitable for...

    So, you considered 5 cogs from 13-21 suitable for general training/racing. Shimano 11-speed 11-32 also has 5 cogs from 13-20. So why is this now unsuitable? Sure it's nice to have some extra cogs...
  22. Yes, but one can construct relatively flat rides...

    Yes, but one can construct relatively flat rides staying in the valleys between the hills.


    Uh, who has bad reading comprehension? I never, ever said that fine tuning gearing for flats was...
  23. Let me point out that he suggested a 10-minute...

    Let me point out that he suggested a 10-minute cassette change for flat rides. He's arguing against leaving an 11-32 on (that was appropriate yesterday), because today's ride is on flatter ground. ...
  24. So why can't you respond directly to my points...

    So why can't you respond directly to my points and explain why they are wrong?

    These are the tactics of people who are incapable of logical argument. Falling back on calling other people stupid...
  25. San Francisco bay area. Required if you want the...

    San Francisco bay area. Required if you want the option of sitting & spinning up longer 10+% grades, and can only sustain say 220 watts not 320. Or carrying extra weight, or exhausted near end of...
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