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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 05-27-11, 08:01 PM   #1
8steve8
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<15lb single speed bike for under US$2.5k? possible?

instead of saying yes/no, please give examples. if you have a build in mind, please list components/prices/weights if possible.

i was looking at the trek district carbon, but it's a bit pricey and i want flat handlbars, don't like drops.


my 2007 Langster weighs 19.3lbs and is nearly stock.
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Old 05-27-11, 08:08 PM   #2
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honestly all your need is a yes/no type answer. you're asking for pretty much all the work that you should be doing on your own.

after saying that. i think yes.
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Old 05-27-11, 08:20 PM   #3
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moto team track - 850
+ kinlin xr200's to novatec f,r with hollow axles and dt rev spokes - 250 if you can build yourself.
-125 selling the stock rims
-250 sell DA7710 crankset
+100 SRAM S300 ( just cause its cheaper, not much lighter)

825.

should get you to <15 easy.

edit:
-40 deda pistas
+40-60 ec90 flat/riserbar (120g)
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Old 05-27-11, 08:28 PM   #4
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My Team Track was about 16 stock with pedals (no brakes). Put on some lighter wheels and you're done.
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Old 05-27-11, 09:40 PM   #5
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Much like the story of the Team Track above, I ride a 2011 Trek T1. I put bullhorns on it and changed my seat (not looking to drop weight at all) and it weighs about 16.8lbs. I bought it new and complete for $600 (w/o tax).

Throw on some carbon components, maybe change the wheelset, and there you have it. A sub 15lb bike.

The District is just a Madone with different dropouts..and I have a sweet spot for Madones, so just buy the district and post some pics!

.Chris
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Old 05-27-11, 09:45 PM   #6
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Or u could buy a Crumpton
http://bicycledesign.net/2006/10/a-s...roupe-de-tete/
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Old 05-27-11, 09:48 PM   #7
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Get a Felt Footprint. It is $1600 retail. Would be really easy to hit 14lbs with that frame.
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Old 05-28-11, 12:27 AM   #8
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I've got a Trek Carbon series road bike about 17 lbs. If I made it into a SS it would be about 14 lbs. No horizontal dropout though, it's a Bit** doing the conversion
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Old 05-28-11, 12:44 AM   #9
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I've got a Trek Carbon series road bike about 17 lbs. If I made it into a SS it would be about 14 lbs. No horizontal dropout though, it's a Bit** doing the conversion
Not really White makes a hub for that exactly...
http://www.whiteind.com/rearhubs/singlespeedhubs.html
Just saying
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Old 05-28-11, 01:57 AM   #10
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Not really relevant to thread topic, but still pretty cool.
Custom 11lb. fixed gear at iMINUSD
Attached Images
File Type: jpg 11lbfixed.jpg (77.8 KB, 156 views)
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Old 05-28-11, 02:01 AM   #11
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Wow $2.5k is decent to intermediate new roadie territory... or used advanced/ professional.
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Old 05-28-11, 02:01 AM   #12
8steve8
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how much is that joeangelo, where to buy, etc?
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Old 05-28-11, 02:23 AM   #13
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Wabi Lightning Frame replace carbon fork if necessary
Sram S300 or Omniums
Custom Wheelset consisting of kinlin rims with sapim cx rays and mack lightweight low flange single sided hub and an american classics micro road front hub.
Aluminum nipples can be used but brass should be used in the rear. radial front. factor in weight while deciding spoke count. Use velo plugs, or I suppose you can cut up velox rim tape. Also run continental supersonic tires and tubes.
enve seatpost and stem (thomson masterpiece and thomson x2 are more cost effective)
pick saddle that is comfy for you and find lightest version available
carbon bars of choice
chain of choice
pedal system of choice.

If you really want to go all out change out all of the bolts too
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Old 05-28-11, 05:46 AM   #14
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i assume we are talking about purchasing new here?

if not, this bike sits at about 15.5 lbs and i've spent about $400 total.

(note: the weight is with pedals and a chain tensioner, even if the photo is not)
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Old 05-28-11, 07:53 AM   #15
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My steel fixed gear currently weighs ~19 lbs with some of the heaviest off-the-shelf wheels you can buy. If I got some nice low flange hubs/low profile rims/nice spokes, some decent lightweight tires, and a carbon stem/bar combo I'm sure I could knock off an easy 4 lbs. With a $2.5k budget, I would have an additional $1700 budget to do so. NO PROBLEM.
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Old 05-28-11, 09:56 AM   #16
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piecing together a bike is your best bet to put all the weight weenies stuff on. I got my fixed litespeed to 13 pounds, and it still has alum seatpost/stem/handle bars I could probably get it even lighter with carbon pieces. I kept it all under 2k if you catch the right prices on ebay/craigslist etc.
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Old 05-28-11, 09:58 AM   #17
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Quote:
Originally Posted by BotByte View Post
I've got a Trek Carbon series road bike about 17 lbs. If I made it into a SS it would be about 14 lbs. No horizontal dropout though, it's a Bit** doing the conversion
an eno hub or eno bottom bracket makes it pretty simple...
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Old 05-28-11, 01:30 PM   #18
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Originally Posted by bryyando View Post
Wabi Lightning Frame replace carbon fork if necessary
Sram S300 or Omniums
Custom Wheelset consisting of kinlin rims with sapim cx rays and mack lightweight low flange single sided hub and an american classics micro road front hub.
Aluminum nipples can be used but brass should be used in the rear. radial front. factor in weight while deciding spoke count. Use velo plugs, or I suppose you can cut up velox rim tape. Also run continental supersonic tires and tubes.
enve seatpost and stem (thomson masterpiece and thomson x2 are more cost effective)
pick saddle that is comfy for you and find lightest version available
carbon bars of choice
chain of choice
pedal system of choice.

If you really want to go all out change out all of the bolts too
This almost describes my bike. I have it down to 14.3 pounds, having spent about a 1000 euros.

And this is my heavy spec. XR-300 wheels, Cn mac bladed spokes, brass nips and a novatec rack HF rear and road front.

I'm debating changing out the stock fork for a full carbon one, but the stock has a 50 mm rake. Most full carbon jobbies have 45 mm max and the Lightning isn't the quickest handling bike, so that would become worse.

But I would save 230 grms right away.

If I go brakeless and change out some more parts (lighter seatpost, put in my XR-200 wheelset at 1322 grms), I will have a 12.1 pound bike. And have spent about 1700 dollars.

I
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Old 05-29-11, 03:03 PM   #19
8steve8
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Sounds like I couldn't buy a 15lb single speed bike, but I could build one for 2k.
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Old 05-29-11, 04:19 PM   #20
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wabi lightnings are like 16lbs out the door. shouldn't be too difficult.
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Old 05-29-11, 09:43 PM   #21
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This almost describes my bike. I have it down to 14.3 pounds, having spent about a 1000 euros.

And this is my heavy spec. XR-300 wheels, Cn mac bladed spokes, brass nips and a novatec rack HF rear and road front.

I'm debating changing out the stock fork for a full carbon one, but the stock has a 50 mm rake. Most full carbon jobbies have 45 mm max and the Lightning isn't the quickest handling bike, so that would become worse.

But I would save 230 grms right away.

If I go brakeless and change out some more parts (lighter seatpost, put in my XR-200 wheelset at 1322 grms), I will have a 12.1 pound bike. And have spent about 1700 dollars.

I
Lol that sounds like your bike because the wheelset build is basically from your thread
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Old 05-30-11, 01:55 AM   #22
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Right then, of course. I should have known... How much did your wheels end up weighing?
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Old 05-30-11, 03:16 AM   #23
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Sounds like I couldn't buy a 15lb single speed bike, but I could build one for 2k.
Based on your three posts, it sounds like you have too much money to throw around and not enough bicycle knowledge.
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Old 05-30-11, 04:41 AM   #24
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Based on your three posts, it sounds like you have too much money to throw around and not enough bicycle knowledge.
May be, but hey lots of people by decent cars yet couldn't build one from bare metal.

Lots of people buy nice computers without having a clue to what's going on inside.

I don't feel ashamed to want to buy a nice single speed bike.
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Old 05-30-11, 05:13 AM   #25
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You could build a 15 pound Kilo for around $1500 or less.
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