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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 12-19-06, 10:36 PM   #1
deathhare
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Mark V vs. Angus price difference?

Thinking about getting my wife an IRO. Im a little torn between the Mark V and the Angus. The main difference i see is that the Mark V has the threadless fork and the Angus doesnt. The Angus complete costs about 80 bucks more and i cant see why. Anyone care to enlighten me?
Noticed the Angus says Reynolds 631 tubing..the Mark V doesnt say anything about the tubing. This is the reason maybe?
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Old 12-19-06, 11:27 PM   #2
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Yeah, it's the tubing. I *heart* my Angus, for what it's worth.
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Old 12-19-06, 11:29 PM   #3
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i think the Mark V is 4130 tubing.
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Old 12-19-06, 11:32 PM   #4
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+1 on the tubing. Also, despite threaded forks being disliked by some as dated or inferior, I like the looks of it.
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Old 12-19-06, 11:46 PM   #5
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While we're on the the topic, does anyone know how Tony measures the TT length on the frames? And S/T? Something seems off. Speak dumb to me, I'm sort of clueless.

BTW, asthetically I prefer the Mark V. The round tubing on the Angus just seems so...plain. Especially on the bigger sizes.
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Old 12-19-06, 11:50 PM   #6
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+1 on the tubing. Also, despite threaded forks being ... dated (and) inferior, I like the looks of it.
There, fixed.

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Old 12-19-06, 11:51 PM   #7
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Thanks guys. Im guessing the tubing wont be of issue with my wife so ill probably go with the Mark V. I also like the threaded fork look with a quill stem.
The threadless feels more solid though and will be something i think she'll prefer.
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Old 12-19-06, 11:57 PM   #8
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Quote:
Originally Posted by deathhare
Thanks guys. Im guessing the tubing wont be of issue with my wife so ill probably go with the Mark V. I also like the threaded fork look with a quill stem.
The threadless feels more solid though and will be something i think she'll prefer.
One thing to consider. If your wife has long legs relative to her torso (average for women I think), she might not fit on an IRO as well. It seems that they are fairly "long" in the sense that each size has a long TT/ST ratio. Just something to consider: if her size in TT is going to mean a huge saddle to bar drop which might be okay. I've noticed that most built IRO's I've seen have a pretty big saddle to bar drop relative to most bikes. I would assume the reason for this is the "long" geometry. Am I off track guys?
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Old 12-19-06, 11:57 PM   #9
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Angus is made out of reynolds 631 tubing, mark v is just straight no-name 4130 cro-mo tubing.
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Old 12-19-06, 11:59 PM   #10
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Quote:
Originally Posted by Danhalen
One thing to consider. If your wife has long legs relative to her torso (average for women I think), she might not fit on an IRO as well. It seems that they are fairly "long" in the sense that each size has a long TT/ST ratio. Just something to consider: if her size in TT is going to mean a huge saddle to bar drop which might be okay. I've noticed that most built IRO's I've seen have a pretty big saddle to bar drop relative to most bikes. I would assume the reason for this is the "long" geometry. Am I off track guys?
Thanks. Never thought about it really with the IROs. My wife is japanese and so is short (surprise!) ......so in the case youve described i think she'll be fine.
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Old 12-20-06, 12:05 AM   #11
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Has the angus always had 631 tubes? I don't recall tubing type mentioned when I bought mine this spring.
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Old 12-20-06, 12:07 AM   #12
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Quote:
Originally Posted by slopvehicle
Has the angus always had 631 tubes? I don't recall tubing type mentioned when I bought mine this spring.
Tony has always stated that the angus has 631 tubes, but the frames have never had a 631 sticker on them..which makes me wonder why?
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Old 12-20-06, 12:09 AM   #13
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Quote:
Originally Posted by BostonFixed
Tony has always stated that the angus has 631 tubes, but the frames have never had a 631 sticker on them..which makes me wonder why?
Interesting, and good to know. I wonder if adding the Renoylds brand name would increase the cost of the frame.
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Old 12-20-06, 12:12 AM   #14
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Quote:
Originally Posted by slopvehicle
Interesting, and good to know. I wonder if adding the Renoylds brand name would increase the cost of the frame.
If the frame is truly made out of 631, which only reynolds makes, then it is just a sticker that's not applied..

I'm not doubting tony, but it don't see why there isn't a sticker?

edit: from the iro site: "Do you want something a little more "old school?" the Angus Fixed Gear Bike is for you. The frame is made from Reynolds 631 tubing. Sleek and simple lines..."

http://irocycle.com/iro/index.php?ma...&products_id=2
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Old 12-20-06, 12:16 AM   #15
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please excuse my butchering of "Reynolds"....
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Old 12-20-06, 07:19 AM   #16
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Mark V is a 1/2 lb heavier due to the tubing.
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Old 12-20-06, 02:35 PM   #17
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MMMMMMMmmmmm... All this talk of Angus makes my mouth water.


My last bike had Reynolds tubing. I miss it. I would say well worth the difference.
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Old 12-20-06, 02:56 PM   #18
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Quote:
Originally Posted by Nouia
While we're on the the topic, does anyone know how Tony measures the TT length on the frames? And S/T? Something seems off. Speak dumb to me, I'm sort of clueless.
The top tube is measured center to center and is an accurate measurement. The seat tube is measured center of bb to the center of the top tube. notice that the seattube extends above the top tube a few cm's. that's why the given Size of an IRO, and the seattube measurement, are off from each other by a few cm's. i'd suggest paying less attention to the actual seattube measurement, and more attention to the given Size, if you're trying to figure out what fits ya. does that clear things up?
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Old 12-20-06, 04:42 PM   #19
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Quote:
Originally Posted by queerpunk
i'd suggest paying less attention to the actual seattube measurement, and more attention to the given Size, if you're trying to figure out what fits ya. does that clear things up?
Pretty much. Let me clarify

Last edited by Nouia; 12-20-06 at 10:29 PM.
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Old 12-20-06, 07:34 PM   #20
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is there a big difference in quality between Reynolds 631 and 4130? ride quality? weight? strength?
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Old 12-20-06, 10:14 PM   #21
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Things to note:

a) IRO measures their bikes in a pretty goofy manner. a "59"cm frame is measured from the center of the bottom bracket to the /top/ of the seat tube, which sticks way out there. You have to check the sizing chart that is posted on the site, the c-c numbers are the relevent ones for comparing from past bikes to IROs

b) In my opinion, top tube length is more important for bike fit than seat tube length. Raising or lowering your seatpost is easier than swapping out stems.
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Old 12-20-06, 10:23 PM   #22
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Quote:
Originally Posted by odie91
is there a big difference in quality between Reynolds 631 and 4130? ride quality? weight? strength?
631 is lighter, has "better" ride quality, it's strong enough

I think someone mentioned that there is a half pound savings over the 631 tube set on the angus versus the 4130 set on the mark v..but I don't own either..
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Old 12-20-06, 10:53 PM   #23
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I found that my old Mark V had a bit too short a seat tube for the top tube length - at least for me. It treated me well though, and I sort of miss it.
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Old 12-20-06, 11:09 PM   #24
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Yeah, my Angus (same geo. as the V) has a sort of long TT for me.
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Old 12-20-06, 11:18 PM   #25
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don't mind the weight - 0.5 lbs is not that much overall - BUT the quality of the steel is VERY DIFFERENT. 4130 - and I speak out of riding a 4130 bike for almost 15 years is sturdy, but tough unforgiving and basically just a "basic" steel" frame. On a road bike that may be OK, but if you ride single speed and/or fixed gear these qualities Quadruple (IMHO), and you may want to look for a little better stuff, definitely if you care about your gf.

631 steel is thinner, thus more flexible ( most noticeable when clearing a pothole, while seated), while still very strong on torque.

Material-wise I would always opt for the 631 (definitely at only $80 difference)
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