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Going ultralight, help identifying a 5.2kg beauty

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  • August 17, 2013 at 10:23 am #19631
    Leviathan

    At the exhibition at the Excel in London the other week I saw some very slender young bikes. I went round lifting them up to test the weight. I found one was 5.2kg, this produced a chortle and a certain amount of envy and avarice to get a next generation bike for myself. However I foolishly did not make a note of the manufacturer. After going from a mountain bike to a Carrera, um ‘metal’ bike, to a Jamis Carbon 8.5kg, even lighter and more aero has to be better right?

    Are we always talking in the £3k+ region for 5-6kg weights? I was thinking a graph of weight to RRP cost would identify best buys and look cool, but perhaps the internet has got there first before I do this. Can anyone suggest what this ultralight beauty might have been or similar weight bikes? And anyone comment on the stability of v. light bikes?

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  • August 18, 2013 at 8:01 pm #752265
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    Simon E

    bikeboy76 wrote:Yes a

    bikeboy76 wrote:
    Yes a personal trainer would whip me into shape, it works for those actors. However money spent on my bike PERMANENTLY reduces the weight.

    You don’t need a personal trainer, you only have to make decisions about your lifestyle. You know only too well that if you do regular exercise and eat sensibly then the weight comes off and stays off.

    But if you think you can spend your way to lightness then you’ll never be satisfied. ‘Having’ will never match ‘doing’.

    August 18, 2013 at 7:56 pm #752263
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    bashthebox

    Hmm. I’m thinking, because of
    Hmm. I’m thinking, because of what you told us about your riding style, that an ultralight bike isn’t for you. You’re strong on the flat, right, and like to push a big old gear? Surely you want to go aero-framed and deep rims?

    Put it this way. The only time you’ll get any advantage of, say, a 6kg bike, is when you’re accelerating, or going up a steep hill. On your current setup, your total weight is near as makes no difference 100kg. A saving of 2kg is a 2% difference in weight. And if you’re mashing a gear that’s too big anyway, that 2% won’t be noticeable.

    An aero bike though, you’re making little % gains all over, and if you’re mostly on the flat then you’re getting a lot more out of your money.

    August 18, 2013 at 7:53 pm #752261
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    stefv

    This book costs £8.79 and I
    This book costs £8.79 and I went from £82kg –> £73kg. (It didn’t cost me anything because I got it off my brother in law.)
    http://www.amazon.co.uk/Paleo-Diet-Athletes-L-Cordain/dp/1594860890

    I have to admit though, I would love to have a badboy like one of these someday and I’d probably have to come up with a pretty good excuse to get one too! 😉

    August 18, 2013 at 7:25 pm #752259
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    Raleigh

    Or just do some of
    Or just do some of this

    August 18, 2013 at 7:13 pm #752257
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    Leviathan

    bashthebox wrote:You could

    bashthebox wrote:
    You could probably get down to 88kg for less than £3000 ;)

    Yes a personal trainer would whip me into shape, it works for those actors. However money spent on my bike PERMANENTLY reduces the weight.

    I really like the Canyon CL SLX, but all the 7.0/8.0/9.0, EL/Pro etc are confusing. I get that there are better spec/lighter components on the more expensive bikes, but the difference is only about 400g for an extra 3 grand on the top of the range. And shouldn’t a (quite) expensive bike already have decent wheels, better than I can buy for £500? Maybe some deep rims. 😕

    I think sawing off the drops is the easiest weight to drop, it looks good on that mountain goat, and I never use them, they seem so far away.

    August 18, 2013 at 5:18 pm #752255
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    bashthebox

    You could probably get down
    You could probably get down to 88kg for less than £3000 😉

    August 18, 2013 at 4:25 pm #752253
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    ashfanman

    bikeboy76 wrote:Seems like

    bikeboy76 wrote:
    Seems like all these are custom builds.

    The Cannondale I listed isn’t. It’s 5.2kg stock. It’s just very, very expensive. But you’re not going to get a sub 6kg bike on the cheap.

    EDIT: Oh, and Canyon’s lightest bike is the Ultimate CF SLX 9.0 Team. That’s 6.3kg and currently reduced to £4,900. The Ultimate CF SLX 7.0 is 6.85kg for around £2,500. Upgrade the wheels and you could get that pretty light for less than £3,000 all-in.

    August 18, 2013 at 4:05 pm #752251
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    Leviathan

    Seems like all these are
    Seems like all these are custom builds. I would be happy to build up a bike, perhaps except for the BB. Makes me wonder what it would cost to pick up parts individually and create ones own ultralight spec. Seems like no one here knows an off the shelf bike under 6.5kg for under £3k, back to mooning over the Canyon website.

    @SimonE, You should know that there are no right and wrong answers, except when someone else tells you that you are wrong on a subjective matter; thats wrong.

    August 18, 2013 at 10:17 am #752249
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    Simon E

    Deep rims are more of an
    Deep rims are more of an issue than bike weight in crosswinds. And anyway the bike’s weight is dwarfed by the large wobbly thing balanced on top of the saddle.

    But I’m getting a sense of Deja Vu, so the above is probably the ‘wrong’ answer.

    Tejvan’s Trek is now 5.7 kg but achieving it didn’t come cheap. Here is Jack Pullar’s 5.5 kg Cannondale he used for the 2012 National HC.

    August 18, 2013 at 8:52 am #752247
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    bashthebox

    A crosswind is unlikely to
    A crosswind is unlikely to affect you – if I remember from the ride London/climbing thread you’re about 90kg? A coupla kilos won’t make much difference on your bike, not unless you’re rocking deep deep rims.

    A thought about cost – some of the better chinese imports seem to be around 1000g for frame and fork – that’s knocking on the door of the lightest branded pro frames, I think, and all for about 400 quid. Team them with some ultralight chinese carbon wheels and you’ll be on your way to something featherweight…. though, if you believe a lot of the talk, you’d be insane to ride it if you weigh more than 70kg.

    August 17, 2013 at 11:00 pm #752245
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    ashfanman

    The Cannondale Supersix Evo
    The Cannondale [url=http://www.cannondale.com/gbr/2013/bikes/road/elite-road/supersix-evo/super-six-evo-black-double-crankset]Supersix Evo Black Inc[/url] is 5.2kg.

    It’s also £7,500, mind.

    August 17, 2013 at 9:44 pm #752243
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    russyparkin

    6.5 is easily obtainable, i
    6.5 is easily obtainable, i even have done it with a caad10 and campag centaur mainly oh and super fancy wheels

    below that though

    oh 6kg doable for a lot of money on a 700 something frame

    August 17, 2013 at 9:38 pm #752241
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    Leviathan

    Neither of those. They look
    Neither of those. They look like specialist one offs. This was commercially available, along with a whole bunch of 6.5kg bikes.

    I wonder could a lightweight bike be effected by a strong cross wind?

    August 17, 2013 at 12:20 pm #752239
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    dave atkinson

    5kg?
    5kg? pah.

    http://road.cc/content/news/96-german-carbon-group-full-road-bike-under-3kg

    August 17, 2013 at 12:12 pm #752237
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    Anonymous

    Not by any chance this one
    Not by any chance this one was it?

    http://www.robertscycles.com/robertsultralight.html

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