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  1. There are a lot of factors that go into gear...

    There are a lot of factors that go into gear selection, and there are other things I would do before getting a megarange. I regularly have to cycle up 15-20% grades measured with an inclinometer. I...
  2. Given that it will work for 30-35mm on a 700c...

    Given that it will work for 30-35mm on a 700c rim, even though a 27" rim is a little bigger I'm pretty confident it should work. 32mm is 1 1/4. 35mm is 1 3/8.
  3. You will need a new bottom bracket, the spindles...

    You will need a new bottom bracket, the spindles for cottered cranks are cotter specific.
  4. I don't think I'm missing the point. I'm saying...

    I don't think I'm missing the point. I'm saying that a Megarange freewheel will need a new rear derailer, and possibly a longer chain. It is a lot more hassle than a 14-28. The point about the big...
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    1) Yes, on every ring except the smallest. The...

    1) Yes, on every ring except the smallest. The teeth on the smallest chainring should look identical

    2) The only way to find out is get the manufacturer spec for recommended BB spindle length and...
  6. Also seconding the 14-28. Much less fuss than the...

    Also seconding the 14-28. Much less fuss than the 14-34 which needs MTB derailers and has a huge jump. I don't particularly have an opinion about 6 vs 7 speed, but the 6 is 14, 16, 18, 21, 24, 28....
  7. I did try with some straight CNC rings and still...

    I did try with some straight CNC rings and still got chain rub. I don't think it was just the interface, but the crank arm design was flexy too. I don't think it was frame flex since external cup...
  8. If your BB shell isn't properly faced, a...

    If your BB shell isn't properly faced, a cartridge BB will work fine, but external bearing cups will have issues.

    Other than that I think the Shimano external cup cranks are pretty neat and work...
  9. Virtually all LBS grade hubs are sealed, but some...

    Virtually all LBS grade hubs are sealed, but some are cup-and-cone and some are cartridge. You don't adjust cartridge bearings, but some quality hubs still keep old fashioned cup-and-cone...
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    I just use thin spray grease. Makes the action...

    I just use thin spray grease. Makes the action smoother, and it it thins out any grease that may be gumming up inside.
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    The point is that saying it makes financial sense...

    The point is that saying it makes financial sense applies to a ridiculously small amount of the population that it really isn't worth throwing out there unless you know the person is rich. You're...
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    I think you're generalizing a bit much and...

    I think you're generalizing a bit much and assuming most people are filthy rich without taking into consideration a person's financial situation or even considering someone of average income. One of...
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    I do my own work because my local-est BS charges...

    I do my own work because my local-est BS charges more than that and does less. Most people go get a tune-up because a warranty requires an annual tune-up, or because the bike no longer shifts well....
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    But now I get to say I have the best alloy...

    But now I get to say I have the best alloy groupset Campy ever made despite it being over a decade old.
  15. Well the primary reason why I would even consider...

    Well the primary reason why I would even consider custom is to get a range of attributes that I can't get from a mass produced frame. That includes a sub 500mm stack height including headset and all...
  16. From what I understand, 9000/6800 have different...

    From what I understand, 9000/6800 have different actuation ratios than the old Shimano standard, so I would guess no.
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    14-28 would also make it likely that it is a...

    14-28 would also make it likely that it is a Shimano 6/7 speed freewheel instead of a cassette, meaning upgrading cassettes for more speeds is not likely.
  18. I don't think low quality has much do do with it....

    I don't think low quality has much do do with it. They've been making skinny tubed hiten frames since forever. Literally, it stretches back to the earliest days of the safety bicycle.
  19. They were all steel. Rusty and corroded.

    They were all steel. Rusty and corroded.
  20. From Trek Not sure if that includes the cone...

    From Trek

    Not sure if that includes the cone or not.
  21. I don't have access to manufacturer butting...

    I don't have access to manufacturer butting profiles, but if you go by NOVA standards, aluminum is fatter and has thicker walls while being lighter. I don't know about the tubes being as thin as...
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    Ignoring the pulleys and such, the actuation...

    Ignoring the pulleys and such, the actuation ratio for Shimano has been the same through many generations if you ignore DA oddballs. It has been the same since their earliest 1980's SIS to every RD...
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    From what I researched on the origin 8 BMX cranks...

    From what I researched on the origin 8 BMX cranks is they can mount double chainrings according to Harris, but they space the chainrings farther out due to a wider spider. That's why I'm asking about...
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    How does the BMX crank shift and how many speeds...

    How does the BMX crank shift and how many speeds do you have it set up for?

    I read somewhere the spider is 4.2mm thick instead of 3.5mm thick. Quite a bit of difference.
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    To answer your questions: 1a) Throw is not...

    To answer your questions:

    1a) Throw is not adjustable -- you may want to change the angle of your shifters to make them easier to access, the adjustment is mostly to center the derailer over the...
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