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Racer Tech Thread

Old 08-17-16, 08:28 AM
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Originally Posted by Flatballer
I also don't think you can put compact rings on a standard spider. The BCD on a compact is smaller because they just won't physically fit otherwise.
the new shimano cranks use the same bcd for everything.
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Old 08-17-16, 08:35 AM
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Ah, good to know. I'm out of the loop on these things.

I'm guessing they must use 110 for everything then?
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Old 08-17-16, 08:56 AM
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Yeah, they call it 110 asymmetric. Actually one of the best recent developments I have seen especially with the fact that Powermeters are so common nowadays.

Also makes for some pretty nifty combos (even if they are not officially supported) 55/36 anyone?
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Old 08-17-16, 09:05 AM
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That does make it kind of nice that you can swap rings between compact and standard and whatever that middle one(52/36 or whatever) is called.

55/34 with an 11-32 11 speed, for when you need to go really slow up and really, really fast down.
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Old 08-17-16, 09:15 AM
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Originally Posted by Harlan
Coffers are full again, PM shopping. Wish I needed a standard crank because Jensen has Pioneer left/right 6800 for $800 ($48 back with Active Junky). Not going Stages, would consider Pioneer left only. What does the magnet do for Pioneer? I read you don't need it.
It measures the power at different degrees of the stroke.

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Old 08-17-16, 10:27 AM
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Well that's pretty handy.

As for the chainring swap, I could definitely use my existing mid compact rings, I'm just not sure how complicated it is to do so. I'm pretty much married to the new 4 bolt standard (chainrings are out, ugh) unless I change the entire crank which will be tough (if I get something new, which I'm inclined to do after warrantying 4x Stages arms) as I'm still using a hollowtech 2/threaded BB. And I want to switch to speedplay this year so no pedals. And I want to keep using my HED Jets (6 and 9) so no powertap hub.

So yeah. If a used SRM can be relied upon, that could be an option. Or I can hunt around for a deal on Pioneer left side only, because in reality I'm buying two of whatever I get. DINKs for the win.
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Old 08-17-16, 10:37 AM
  #3857  
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FWIW, I've had good luck with my used SRM PM6.
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Old 08-17-16, 10:50 AM
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Alright, so what the heck is going on with this?

lixp1218 | eBay

$30 aero road and nice looking beefy track sprint frames, including shipping, on eBay, with Paypal. As gycho77 pointed out in the track forum, you basically can't lose. It's tempting, even though I'm guessing the bikes have to be complete trash and the specs are fake (or they're stolen).

h/t to @gycho77 from the track forum.
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Old 08-17-16, 10:51 AM
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Pretty big number ~10W for a pinned number.
The Science Behind Nopinz - Nopinz
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Old 08-17-16, 11:06 AM
  #3860  
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That website design makes tkp sad. Is nopinz an ofshoot of perez hilton?
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Old 08-17-16, 11:08 AM
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Originally Posted by Doge
Pretty big number ~10W for a pinned number.
The Science Behind Nopinz - Nopinz
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Old 08-17-16, 11:16 AM
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They didn't compare to the Puppy Doge 3M 77 method.
I would have liked to see that vs no number.
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Old 08-17-16, 11:17 AM
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Originally Posted by Doge
They didn't compare to the Puppy Doge 3M 77 method.
I would have liked to see that vs no number.
Send them a request.
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Old 08-17-16, 11:19 AM
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Originally Posted by Flatballer
Alright, so what the heck is going on with this?

lixp1218 | eBay

$30 aero road and nice looking beefy track sprint frames, including shipping, on eBay, with Paypal. As gycho77 pointed out in the track forum, you basically can't lose. It's tempting, even though I'm guessing the bikes have to be complete trash and the specs are fake (or they're stolen).

h/t to @gycho77 from the track forum.
Of course you can lose. You can lose your life. Or, if you're lucky, a lot of skin. I guess there's everything to be gained, though, where "everything" = a fortune in surgical steel.
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Old 08-17-16, 11:25 AM
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Well, yeah, I suppose there is that. It could just collapse under you. I wonder if there is a safe way to test it before riding it, see if you can break it. If you can, you ask for a refund, and if they say no, you're out $30.
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Old 08-17-16, 11:35 AM
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Originally Posted by Doge
They didn't compare to the Puppy Doge 3M 77 method.
I would have liked to see that vs no number.
race dots are garbage, as is most of that other stuff. 77 spray ftw.
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Old 08-17-16, 11:40 AM
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Originally Posted by hack
Send them a request.
I wouldn't want others to know. FWIW when puppy beat Brandon in the VOS TT he had 77. Brandon didn't.
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Old 08-17-16, 11:50 AM
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You know you're on the internet, yes?
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Old 08-17-16, 11:53 AM
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Yea but the racer tech thread is kind of like the ocho of online cycling forums.
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Old 08-17-16, 11:56 AM
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I always assume the rest of the world is lurking.
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Old 08-17-16, 12:42 PM
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Relevant to my complaints about tubeless a couple pages back: I've re-taped my rims and have set up my wheels with cyclocross tires. I did this last year and it worked well. If it keeps working through the season with these tires on a new tape job, I'll consider giving it another shot with road tires in the spring. It could just be that the original tape job (rims came taped from the builder) was inadequate. The stuff I'm using now is thicker. If anyone is curious, it's Scotch strapping tape, 8896. I've compared it to the official Stan's tape, and it appears to be the exact same stuff, only much cheaper. Like, 1/3 or even 1/4 of the price. Crazy.
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Old 08-17-16, 01:00 PM
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That yellow dye in their tape must be super expensive
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Old 08-17-16, 01:43 PM
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I think there was a thread in the 41 about non-cycling specific stuff that was just as good or better than cycling-specific.
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Old 08-17-16, 05:57 PM
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In the day I was using this for high temp magnetic coils I was also riding to work. I thought this would make a great spoke hole tape. It did. Most of my time was on tubulars, but I started using this for the tandem were I ran 150PSI with no tape issues.
This is polyimide the same stuff Contenental started making tires from. Very tough stuff.
EBay has cheaper. polyimide tape | eBay
Kapton Tape, Kapton in Stock - ULINE
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Old 08-17-16, 09:23 PM
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Originally Posted by grolby
Relevant to my complaints about tubeless a couple pages back: I've re-taped my rims and have set up my wheels with cyclocross tires. I did this last year and it worked well. If it keeps working through the season with these tires on a new tape job, I'll consider giving it another shot with road tires in the spring. It could just be that the original tape job (rims came taped from the builder) was inadequate. The stuff I'm using now is thicker. If anyone is curious, it's Scotch strapping tape, 8896. I've compared it to the official Stan's tape, and it appears to be the exact same stuff, only much cheaper. Like, 1/3 or even 1/4 of the price. Crazy.
gorilla tape is used heavily for MTB TL applications.
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