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 Post subject: Re: BMX Weight Weenie
PostPosted: Thu Feb 23, 2012 6:01 pm 
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Joined: Sun Sep 21, 2008 9:02 pm
Posts: 150
Location: West Virginia
xnavalav8r wrote:
Old bike = 14.72 pounds complete.
New bike = 11.8 pounds complete.

Bars are likely to change and still waiting for new pedals. New wheel parts are ordered so these wheels will be changed for a lighter set soon.


What about foam grips with wire ties?
Nokon brake cable housing, or any other kind of lightweight housing?
This may or may not be sketchy, but what about making the chainring and rear cog "thinner" (sanding?) and using a 7-11 speed chain?

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 Post subject: Re: BMX Weight Weenie
PostPosted: Thu Feb 23, 2012 8:57 pm 
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Joined: Mon Jan 21, 2008 12:09 pm
Posts: 2311
He is sponsored by ODI so we have to use their grips. Brake cable is Nokon. We're using a 10 speed hollow plate/pin chain. As for grinding down the gear, that is probably not worth the effort for the very few grams it may save.

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Schoorl, Noord-Holland, Nederland
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English Custom Steel Internal di2
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 Post subject: Re: BMX Weight Weenie
Posted: Thu Feb 23, 2012 8:57 pm 


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 Post subject: Re: BMX Weight Weenie
PostPosted: Fri Feb 24, 2012 6:56 pm 
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Joined: Sun Sep 21, 2008 9:02 pm
Posts: 150
Location: West Virginia
xnavalav8r - Oh wow. I couldn't tell whether or not the cable housing was nokon or not. You guys really did go all out. Chapeau!

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 Post subject: Re: BMX Weight Weenie
PostPosted: Fri Mar 02, 2012 2:13 am 
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Joined: Wed Oct 08, 2003 4:15 am
Posts: 3236
Location: tucson
Saw this on drunkcyclist and thought of you and your son:

Image

Supposedly a 1lb 10oz Mini with ISP and it looks like it doesn't need BB cups. Plus they are made in my home state :D


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 Post subject: Re: BMX Weight Weenie
PostPosted: Fri Mar 02, 2012 5:01 am 
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Joined: Mon Jan 21, 2008 12:09 pm
Posts: 2311
That is from Tronix. I spoke to the builder. He worked at Titus forever and is a great guy and really talented builder. I just couldn't afford to buy one from him. His junior xl frame weighs more and cost 2.5x what this aluminum frame does. But it sure is pretty.

By the way, most quality BMX frames come with English threaded bottom brackets these days. It seems only older frames require press-in cups.

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Schoorl, Noord-Holland, Nederland
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English Custom Steel Internal di2
Litespeed Ghisallo


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 Post subject: Re: BMX Weight Weenie
PostPosted: Fri Mar 02, 2012 5:55 am 
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Joined: Wed Oct 08, 2003 4:15 am
Posts: 3236
Location: tucson
I mean similar to a BB86. That BB looks WIDE


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 Post subject: Re: BMX Weight Weenie
PostPosted: Fri Apr 27, 2012 10:02 pm 
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Joined: Tue Jul 26, 2011 1:05 am
Posts: 4
Fact is you can't get to 10 lbs without extensive machine work and ditching all the ti for aluminum. Even the bolts need to aluminum. And, you have to get creative...shaving grams at a time, not ounces. My sons fmf mini is 10lb 2 ounces. Believe me it took allot to get there.


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 Post subject: Re: BMX Weight Weenie
PostPosted: Fri Apr 27, 2012 10:05 pm 
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Joined: Tue Jul 26, 2011 1:05 am
Posts: 4
close up


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 Post subject: Re: BMX Weight Weenie
PostPosted: Fri Apr 27, 2012 10:17 pm 
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Posts: 4
The link to the build up and detail. May help you guys.
http://bmxsociety.com/topic/52408-fmf-m ... ld__st__20


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 Post subject: Re: BMX Weight Weenie
PostPosted: Sat Apr 28, 2012 1:01 am 
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Joined: Mon Jan 21, 2008 12:09 pm
Posts: 2311
Thanks for the links to your mini. It looks great. I am pretty satisfied with this bike considering it is a Junior XL and I haven't modified any parts. My son has also started winning races on it, so he is pretty excited. He won 6 nationals last year before we moved him up to Intermediate... then he basically started from scratch. So notching the first win was really good for his confidence. He's got the best bike I could afford to give him, now it's all up to his strength, talent, and motivation.

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Schoorl, Noord-Holland, Nederland
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Litespeed Ghisallo


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 Post subject: Re: BMX Weight Weenie
PostPosted: Mon Apr 30, 2012 3:43 pm 
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Joined: Tue Jun 23, 2009 10:47 pm
Posts: 217
Ted,

Would these 306 gram full carbon BMX rims work for your build? The cool factor is off the charts!

http://www.danscomp.com/products-RACE/4 ... i_Rim.html


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 Post subject: Re: BMX Weight Weenie
PostPosted: Tue May 01, 2012 1:22 am 
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Joined: Mon Jan 21, 2008 12:09 pm
Posts: 2311
They are cool, but 28g heavier than the alloy rims we used and 13 times the price.

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TED
Schoorl, Noord-Holland, Nederland
Bike Pics
English Custom Steel Internal di2
Litespeed Ghisallo


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 Post subject: Re: BMX Weight Weenie
PostPosted: Tue May 01, 2012 1:28 am 
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Joined: Mon Jan 21, 2008 12:09 pm
Posts: 2311
Rear wheel is 727g with cog and rim strip. Front is 484. The set shaved nearly 2 pounds from his previous wheelset in the earlier photos.

Image

Image

Image

Image

Image

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TED
Schoorl, Noord-Holland, Nederland
Bike Pics
English Custom Steel Internal di2
Litespeed Ghisallo


Last edited by xnavalav8r on Fri Jan 03, 2014 9:49 am, edited 1 time in total.

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 Post subject: Re: BMX Weight Weenie
PostPosted: Sat Aug 18, 2012 11:53 am 
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Joined: Sat Aug 18, 2012 11:34 am
Posts: 3
Hi guys

I'm actually building a bike as light as possible for my son, but without spending all the money I have :mrgreen:
He's now changing from mini to junior XL.

the parts already ordered
- Frame Intense podium
- Redline microline carbon fork
- Sinz integrated headset
- Sinz mini combo seat
- Sinz seat collar
- carbon fork spacers

I will order the following parts in a while
- redline microline stem
- micro knobbys

I am hesitating with the sinz carbon bars and the redline 4" which has a claim weight of 238g, the difference of weight is really expensive.

the main thing I am quite lost it's for the wheels, the crupi rythm section are quite lite with 1250g, any suggestion ?
the cranks, what is light and not too much expensive ? the redline microline with external BB is not the lightest but has a reasonable price, and I like external BBs

thanks !!


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 Post subject: Re: BMX Weight Weenie
Posted: Sat Aug 18, 2012 11:53 am 


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 Post subject: Re: BMX Weight Weenie
PostPosted: Mon Aug 20, 2012 3:14 am 
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Joined: Mon Jan 21, 2008 12:09 pm
Posts: 2311
I've been happy with the Answer/Speedline Mini SX cranks, paired with a titanium bottom bracket.

As for wheels, as you can see above, I built my own. I don't have much experience with pre-built wheels.

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TED
Schoorl, Noord-Holland, Nederland
Bike Pics
English Custom Steel Internal di2
Litespeed Ghisallo


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