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 Post subject: Ultra light bike
PostPosted: Fri Mar 03, 2017 3:38 pm 
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Joined: Sun Feb 12, 2017 7:49 pm
Posts: 16
Hi.
I present my new project.
My challenge is to reach 3 kg with materials and components known by many of you, to say that it is not a bike that I usually use, nothing more than for a ride since I have other bikes with components that do not suffer so much wear and tear on many of these Components and are safer for everyday use.
I hope you like it and I'll give you tips to keep lightening up, criticism and suggestions.
A greeting to all.


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 Post subject: Re: Ultra light bike
PostPosted: Fri Mar 03, 2017 3:45 pm 
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Joined: Sun Feb 12, 2017 7:49 pm
Posts: 16
To say that according to this in the photos, it is in a weight of 3,200 gr.


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 Post subject: Re: Ultra light bike
Posted: Fri Mar 03, 2017 3:45 pm 


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 Post subject: Re: Ultra light bike
PostPosted: Fri Mar 03, 2017 4:02 pm 
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Joined: Tue Nov 24, 2009 12:37 pm
Posts: 218
great first post! More info on build list, what you did to get it this weight etc would be useful

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 Post subject: Re: Ultra light bike
PostPosted: Fri Mar 03, 2017 4:05 pm 
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Joined: Sat Mar 16, 2013 9:21 am
Posts: 322
Lighter than Donald's bike without resorting to downtube shifters? That's quite something... More details would definitely be appreciated.


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 Post subject: Re: Ultra light bike
PostPosted: Fri Mar 03, 2017 4:24 pm 
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Joined: Wed Oct 06, 2004 6:55 pm
Posts: 2569
Location: Vienna, AUT
Yoikes! Nice one.

Yes, a complete build list down to the bolts might assist us to provide better feedback.
We can only speculate with some of those photos, for example:
Are those standard hood covers? Or could you remove that weight and go with a lighter cover/wrap for the ergos?
First pic shows some apparent slack in the chain, could you remove a full link?

Looks great though. Finding another 200 grams will be a feat.


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 Post subject: Re: Ultra light bike
PostPosted: Fri Mar 03, 2017 6:02 pm 
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Joined: Sun Jan 09, 2011 2:35 am
Posts: 215
Impressive. 3.2kg on an FM-066SL. A build list with weights please.

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 Post subject: Re: Ultra light bike
PostPosted: Fri Mar 03, 2017 8:01 pm 
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Joined: Sun Apr 29, 2012 8:32 pm
Posts: 99
Mic dropped.....


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 Post subject: Re: Ultra light bike
PostPosted: Fri Mar 03, 2017 8:15 pm 
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Joined: Tue Apr 10, 2007 7:38 pm
Posts: 422
Location: Sweden
Nice :)
Would like to see a build list as well.
Which fork is that?

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 Post subject: Re: Ultra light bike
PostPosted: Fri Mar 03, 2017 8:26 pm 
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Joined: Thu Nov 10, 2005 5:31 pm
Posts: 3841
Very interested as well. I am looking at getting an open mold frame for a sub 5kg build and any ideas always help.

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 Post subject: Re: Ultra light bike
PostPosted: Sat Mar 04, 2017 2:43 am 
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Joined: Tue Mar 31, 2015 11:11 pm
Posts: 191
Drillum the shifters.


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 Post subject: Re: Ultra light bike
PostPosted: Sat Mar 04, 2017 9:09 am 
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Joined: Sun Feb 12, 2017 7:49 pm
Posts: 16
I attach the list of components of my bike.

- Frame: FM066 SL size 54: 640 gr
- Fork: FM066 SL 1 1 / 8- 1 1/2: 223 gr
- Hedset: 28 gr
- bartape: Tesa 10 gr.
- Stem: Ax lightness Zeus 110mm: 63 gr
- Seatpost- sattel: combo Berk 98 gr
- Seatpostclamb: Carbonice 4 gr.
- Shifter brakelever: Sram red with hoods BTP and clamps carbon: 245 gr
- Brakes: Ax lightness AX 3000, schmolke carbon adjusting screws and power cordz mattias screw aluminum aluminum 105 gr.
- Pedals: Aerolite titanium 52 gr.
- Cranks: THM clavicle SE 172.5 compact 285 gr.
- Chainrings: Fybre Lyte 50-34 60 gr.
- Chainring bolts: Extralite 8 gr.
- Chain: Yaban Titanium 205 gr.
- Cassette: Mattias Hellore 11-23 78 gr.
- Rear derailleur: Sram red 105 gr.
- Front derailleur: Tiso with carbon plates Fybre Lite 38 gr.
- Handlebar: Ax lightness Ax 4000 compct 42 E / E 155 gr.
- Bottlecage: Work Carbon 6 gr.
- Tires: Tufo Elite Jet 110 gr 215 gr
- Wheels: Rims carbon 20mm (not marked), springs Pillar x Tralite ti, nipless Sapim aluminum, front Hub M5, rear Hub Extralite with ceramic bearings 542 gr
- Wire: Power cord 35gr


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 Post subject: Re: Ultra light bike
PostPosted: Sat Mar 04, 2017 9:50 am 
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Joined: Tue Apr 10, 2007 7:38 pm
Posts: 422
Location: Sweden
Interesting parts on that list. The wheelset sounds nice.

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 Post subject: Re: Ultra light bike
PostPosted: Sat Mar 04, 2017 10:18 am 
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Joined: Thu Jan 22, 2015 6:58 pm
Posts: 808
Location: Northamptonshire UK
The bike looks great, and obviously that weight is very impressive!! What plans have you got to save a few grams next?


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 Post subject: Re: Ultra light bike
PostPosted: Sat Mar 04, 2017 11:55 am 
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Joined: Thu Mar 24, 2011 6:06 pm
Posts: 899
The weight of the frame and fork is pretty incredible. A check on HF website says the frame weight range is 780-920g; did they make it lighter previously?

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 Post subject: Re: Ultra light bike
PostPosted: Sat Mar 04, 2017 12:19 pm 
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Joined: Sat Jun 19, 2004 11:08 am
Posts: 7011
Location: Urbana, Illinois
Has Tufo tires improved? While light they were always the worst at rolling resistance and road noise.

Excellent job on the build!

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 Post subject: Re: Ultra light bike
Posted: Sat Mar 04, 2017 12:19 pm 


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