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Mungo




Joined: 29 Sep 2016
Posts: 377
Location: Preston

PostPosted: Sat Apr 14, 2018 6:10 pm    Post subject: Reply with quote

Argon now at 7.1kg with pedals and cage and speed sucker.
Lightweights will see it 6.8 ish
That's a proper Tt bike with 10 speed di2.

It climbs and descends well... well, well ish.

Sram red mech 2012 would get it lighter again but I have to have di2 on a Tt bike.
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tin pot




Joined: 08 Jul 2013
Posts: 2525
Location: Bromley

PostPosted: Wed Apr 18, 2018 4:45 pm    Post subject: Reply with quote

Iíll check the weight of mine soon. Pretty sure itís 10kg race ready with the tool box bento.

Wheelset are bullet 80s which iirc are around 2.1 kg so I can only think that itís the Athena group set adding the kilos.
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Mungo




Joined: 29 Sep 2016
Posts: 377
Location: Preston

PostPosted: Wed Apr 18, 2018 7:31 pm    Post subject: Reply with quote

I looked at every single component and changed or upgraded it.
Obviously frame fork brakes and post are stock, everything else got changed.
Easton attacks
Tune skewers
DA 9100 compact chainset
110 g 25mm stem
189g Tt Saddle

The wheels vary from 1250 to 1400g.

Lightweights can be as low as 1750 including tubs, block and skewers.

It would be around 8 with a full disc and 101 front.

No storage... looking for the lightest one....!
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Chrace




Joined: 28 Apr 2010
Posts: 2734
Location: Eating a Yorkie

PostPosted: Thu Apr 19, 2018 7:23 am    Post subject: Reply with quote

Mungo wrote:
110 g 25mm stem

That's short... Smile
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Mungo




Joined: 29 Sep 2016
Posts: 377
Location: Preston

PostPosted: Sat Apr 21, 2018 7:34 pm    Post subject: Reply with quote

WTF

Just completed my regular 64 k ride which is on a very tough circuit.

Very surprised to see I was 30 secs quicker and 12 bpm down .....on my road bike....!
It does have clip ons and is very light but I was expecting to be 3-5 mins slower... possibly more as that was the most fatigued / tired I have ever completed it.
Sort of pleased sort of pi..ed off sort of confused!
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jibberjim




Joined: 15 Aug 2008
Posts: 8252
Location: Kingston

PostPosted: Sun Apr 22, 2018 7:24 am    Post subject: Reply with quote

Weather makes huge differences! Especially air temperature...
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FatPom




Joined: 26 Dec 2005
Posts: 5065
Location: My happy place

PostPosted: Sun Apr 22, 2018 7:26 am    Post subject: Reply with quote

Mungo wrote:
WTF

Just completed my regular 64 k ride which is on a very tough circuit.

Very surprised to see I was 30 secs quicker and 12 bpm down .....on my road bike....!
It does have clip ons and is very light but I was expecting to be 3-5 mins slower... possibly more as that was the most fatigued / tired I have ever completed it.
Sort of pleased sort of pi..ed off sort of confused!


Well you're not carrying around the weight of that heavy wallet any more Very Happy
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Mungo




Joined: 29 Sep 2016
Posts: 377
Location: Preston

PostPosted: Sun Apr 22, 2018 7:58 am    Post subject: Reply with quote

It may about to be made even lighter....?!
Local shop has some lightweights, mk 2 I think?
Customer owns them but completely unused....?!

Tempted....!
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Jorgan




Joined: 12 Nov 2007
Posts: 16765
Location: alles was ich bin, alles was ich war

PostPosted: Fri Apr 27, 2018 2:44 pm    Post subject: Reply with quote

Mungo wrote:
It may about to be made even lighter....?!
Local shop has some lightweights, mk 2 I think?
Customer owns them but completely unused....?!

Tempted....!


Remember that aero trumps weight, and Lightweights have never been near the top of the aero pile. What helmet are you using and is your position optimised?
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explorerJC




Joined: 20 Oct 2005
Posts: 15303
Location: Farthingstone

PostPosted: Fri Apr 27, 2018 2:51 pm    Post subject: Reply with quote

jibberjim wrote:
Weather makes huge differences! Especially air temperature...


as does how much time you train on each bike, how competent the bike handling etc...etc...
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JaRok2300




Joined: 01 May 2014
Posts: 331
Location: Worcester, UK

PostPosted: Fri Apr 27, 2018 3:04 pm    Post subject: Reply with quote

I don't think you can read anything into a single ride.

I did my own very basic aero testing last year between road and tri bike and whilst the overall trend was pretty clear cut there were enough anomalies to completely skew the result if they alone had been the sample.
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Mungo




Joined: 29 Sep 2016
Posts: 377
Location: Preston

PostPosted: Fri Apr 27, 2018 4:12 pm    Post subject: Reply with quote

Cheers fellas.

The biggest variable was a brand new, help to get on skin suit.
The road bike run was in this, the Tt ones weren't.

I get aero trumps weight, but if I can have a mix of both I'll take it.
With hunters every 10k or so the total climbing extrapolated to an IM would be over 6000 ft + so weight plays its part it's also quite twisty turny so you don't get the head down benefit of dual carriage way Tt bike blast.

The weather was very similar. Sunny, wind blowing in a similar direction, not very scientific I know.

It was the second time I had ever used this road bike as it hasn't got di2 as it would have been too heavy.

Helmet the same LG Super with visor.

Huge disparity in Saddle height.... nearly 40 mm.... which may play a part.

Tt wheels Xentis 50 mm rear HM front

Road bike zipp 303"s the older lighter none fire crest version.
Whole wheelset is under 2kg including tubs, skewers, block and sealant.
For me it's the wheels but I know science argues against this.
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Mungo




Joined: 29 Sep 2016
Posts: 377
Location: Preston

PostPosted: Fri Apr 27, 2018 4:15 pm    Post subject: Reply with quote

Cheers fellas.

The biggest variable was a brand new, help to get on skin suit.
The road bike run was in this, the Tt ones weren't.

I get aero trumps weight, but if I can have a mix of both I'll take it.
With hunters every 10k or so the total climbing extrapolated to an IM would be over 6000 ft + so weight plays its part it's also quite twisty turny so you don't get the head down benefit of dual carriage way Tt bike blast.

The weather was very similar. Sunny, wind blowing in a similar direction, not very scientific I know.

It was the second time I had ever used this road bike as it hasn't got di2 as it would have been too heavy.

Helmet the same LG Super with visor.

Huge disparity in Saddle height.... nearly 40 mm.... which may play a part.

Tt wheels Xentis 50 mm rear HM front

Road bike zipp 303"s the older lighter none fire crest version.
Whole wheelset is under 2kg including tubs, skewers, block and sealant.
For me it's the wheels but I know science argues against this.
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Chrace




Joined: 28 Apr 2010
Posts: 2734
Location: Eating a Yorkie

PostPosted: Mon Apr 30, 2018 8:00 am    Post subject: Reply with quote

Saddle difference is massive so could very well be a large factor, but you do seem to have an slight obsession with weight?

I pretty much completely ignore that part these days and only focus on aero, even on courses with 10,000+ ft climbing over the IM distance. Looking at stats I spend more time on the flats than on the climbs on those as well.

I don't know how lean you are, or the speeds you travel at, but I certainly know personally where the biggest weight loss can be found. And it ain't the bike... Smile
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