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Old 07-01-2010, 10:23 AM   #15031
YakSpout
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Quote:
Originally Posted by EvilGenius
What do those RPMs look like?
60rpm = one revolution per second

90rpm = 1.5 revolution per second

Here's a decent example:
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Old 07-01-2010, 10:28 AM   #15032
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Quote:
Originally Posted by EvilGenius
What do those RPMs look like?
Go hit u-tube and search for some of the 2003 & 2004 (IIRC) Tour videos

Jan Ulrich = 60rpm
Lance Armstrong. = 90-110rpm

Be somewhere in the middle.

Aktooly, Greg LeMond climbed at a lower cadence and so did Eddy Merckx. Both were fantastic cyclists, so you don't HAVE to ride at a super high cadence. Helps. ...but you don't hafta.

Me? I can ride up to appx 200rpm on a fixie downhill, but prefer 90-ish.

M
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Old 07-01-2010, 10:35 AM   #15033
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Quote:
Originally Posted by Gummee!
Go hit u-tube and search for some of the 2003 & 2004 (IIRC) Tour videos

Jan Ulrich = 60rpm
Lance Armstrong. = 90-110rpm

Be somewhere in the middle.

Aktooly, Greg LeMond climbed at a lower cadence and so did Eddy Merckx. Both were fantastic cyclists, so you don't HAVE to ride at a super high cadence. Helps. ...but you don't hafta.

Me? I can ride up to appx 200rpm on a fixie downhill, but prefer 90-ish.

M
I used to be a masher, relied on power rather than spin. my knees started to ache after long rides, and when I learned ot spin faster, I could go much farther. without toeclips its hard to go much over about 60-75.
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Old 07-01-2010, 10:35 AM   #15034
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Quote:
Originally Posted by Gummee!
Go hit u-tube and search for some of the 2003 & 2004 (IIRC) Tour videos

Jan Ulrich = 60rpm
Lance Armstrong. = 90-110rpm

Be somewhere in the middle.

Aktooly, Greg LeMond climbed at a lower cadence and so did Eddy Merckx. Both were fantastic cyclists, so you don't HAVE to ride at a super high cadence. Helps. ...but you don't hafta.

Me? I can ride up to appx 200rpm on a fixie downhill, but prefer 90-ish.

M
Never tried a fixie, but 200rpm sounds like a recipe for a Yak highside.
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Old 07-01-2010, 10:53 AM   #15035
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Quote:
Originally Posted by YakSpout
Never tried a fixie, but 200rpm sounds like a recipe for a Yak highside.

oh you guys don't know what spinning is until you let a fixie take you downhill...

I'm more exhausted doing the downhill than the ups on them.
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Old 07-01-2010, 10:58 AM   #15036
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Quote:
Originally Posted by Zodiac
Yes, I do know all this. I only pointed him towards Surly as you can get a decent bike for around 1k fully built new, or one for around $400 to $600 used on craigslist or ebay.

Bulletproof, durable, easy to work on, easily modified for different uses (all their frames accept larger tires) etc.
I was recently watching a new LHT on eBay. The idiots ran it up just shy of $1100. WTF? Go to the LBS and buy it for that!

Quote:
Originally Posted by pierce
it looks like an awesome bike, but I'm scared to death of carbon fiber used in a structural fashion, like the forks and seatpost. I also wonder how those would hold up under a heavier rider...

what do those cost? I'm guessing $2000-3000 for the Comp model?
No need to be scared of carbon. The local 'cross guys beat the crap out of their full carbon bikes. If I were over 200lbs or looking at an around the world trip, I'd go steel. But, for my weight and what I do, it offers some advantages over steel. I'm hoping to ride from the west coast back to IL (Lewis & Clark trail) in the next couple of years. I plan on using a BOB trailer for that, as I don't want to subject the bike to the weight of racks and panniers or have to push the extra wind of their width. There are at least a few people using the Tricross for LD touring on the ACA forum.

I extensively searched the Specialized dealer base and saw several Comps in the $1500 range. I found this one on eBay with a "buy it now" price of $1249 on a $2200 MSRP. The Sport models (triple 'ring, all aluminum frame and post) that I've seen are usually around $1000. These are on closeout '09 models.

Quote:
Originally Posted by Gummee!
Just don't stop spinning! 60rpm at the min. 90-100 is better.

1. saves yer knees
2. uses the aerobic system vs the muscular system. Guess which gets tired quicker?
^^^ +1

On my Tricross, I run between 80-90RPM. I don't have a perfect 360 degree pedal motion, so the 32mm tires get to bouncing a bit beyond that.

On my tri bike, I shoot for 90-95RPM on the road and run 95-105RPM on the TT course.

If I try mashing it, my knees definitely let me know it.
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Old 07-01-2010, 11:00 AM   #15037
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AH, thanks guys.

The speed the guy was goign at the end of that video is pretty close to what I do.


Clips on the next bike sounds like a good idea. Though could be a bit dangerous?
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Old 07-01-2010, 11:01 AM   #15038
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Quote:
Originally Posted by Zodiac
oh you guys don't know what spinning is until you let a fixie take you downhill...
I got beat by a kid, half my age, on a really trick fixie, at last night's TT. I sorta' feel ashamed, though, I shouldn't. It is what it is.
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Old 07-01-2010, 11:04 AM   #15039
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anyone here riding with a compact double front, like a 50-34T ? how is it shifting? seems like a big jump to me, but I haven't got the parts in to build it yet, so what do I know?
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Old 07-01-2010, 11:24 AM   #15040
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Quote:
Originally Posted by pierce
anyone here riding with a compact double front, like a 50-34T ? how is it shifting? seems like a big jump to me, but I haven't got the parts in to build it yet, so what do I know?
My Tricross has a 48/34 on it and shifts just fine.

For the tri bike, my SRAM Apex group is in at the LBS. I got the 50/34 crank, but, the cassette I want isn't, yet, available. I'm going to run it with my current 12/27 on the road. I wanted to go with compact gearing, as I'm going to do the 3 State-3 Mountain Challenge, next spring. It'll make the bike more versatile and I can't push a 53-12 combo, anyway.

You can read more about the Apex groupset here. Just put "Apex" in the search engine and several articles will come up.
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Old 07-01-2010, 11:31 AM   #15041
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Quote:
Originally Posted by ducnut
I got beat by a kid, half my age, on a really trick fixie, at last night's TT. I sorta' feel ashamed, though, I shouldn't. It is what it is.
How old are you? Once you get older, you'll get used to kids beating you and finally you'll only mention it when you beat or keep up with them.
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Old 07-01-2010, 11:33 AM   #15042
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Quote:
Originally Posted by pierce
anyone here riding with a compact double front, like a 50-34T ? how is it shifting? seems like a big jump to me, but I haven't got the parts in to build it yet, so what do I know?
I converted my triple to a compact double a few years back. It shifts fine, but I have to trim it when I get to the extreme ends of the rear block.
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Old 07-01-2010, 11:37 AM   #15043
pierce
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Quote:
Originally Posted by ducnut
My Tricross has a 48/34 on it and shifts just fine.

For the tri bike, my SRAM Apex group is in at the LBS. I got the 50/34 crank, but, the cassette I want isn't, yet, available. I'm going to run it with my current 12/27 on the road. I wanted to go with compact gearing, as I'm going to do the 3 State-3 Mountain Challenge, next spring. It'll make the bike more versatile and I can't push a 53-12 combo, anyway.

You can read more about the Apex groupset here. Just put "Apex" in the search engine and several articles will come up.
well, I'm using cheap Shimano and stuff :)

front is a Tiagra double, rear is a Acera long arm (might switch to an alivio I have on another bike because it looks nicer). wheel currently has a sunrace or joytech or something 13-28, but I have a IRD 13-32 on order (both 7-speeds, threaded freewheels which rather limit my choices) but now I'm thinking duh, 34-28 is plenty low, hah!. I seriously doubt I'll be able to spin a 50-13 on anything other than a downhill.
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Old 07-01-2010, 11:47 AM   #15044
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Quote:
Originally Posted by Dahveed
I converted my triple to a compact double a few years back. It shifts fine, but I have to trim it when I get to the extreme ends of the rear block.
I'm using friction shifters, so trim is S.O.P.

think I'll be able to use the whole 7-speed in either ring? that would be a huge bonus. I've always adhered to the 'don't cross it up' school of gearing, but this bike has a reasonably generous 45mm chainstay and I know new chains are much more flexible than older ones. My Acera/Alivio rear's both have the new style big shift wheels, and long arms so shouldn't have any trouble with chain slack.
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Old 07-01-2010, 11:50 AM   #15045
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Quote:
Originally Posted by Dahveed
How old are you? Once you get older, you'll get used to kids beating you and finally you'll only mention it when you beat or keep up with them.
42 versus 22.

That fixie was really cool. Definitely not the typical kid's bike. It had carbon 5-spoke aerowheels and bar. All black; just stupidly clean looking. I'll take my camera, next week.

Quote:
Originally Posted by Dahveed
It shifts fine, but I have to trim it when I get to the extreme ends of the rear block.
Same with my Tricross.

Quote:
Originally Posted by pierce
well, I'm using cheap Shimano and stuff :)
The complete Apex groupset is less than $800.

Road levers: $344
Crank and BB: $143
Calipers: $70
Chain: $37
Cassette: $83
FD: $45
RD: $72

They offer some crazy cassettes; all the way to 11/36.
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