So, recently I've been saving up to buy a BMC ALR01 frameset in size 54 (shiny anodised silver) and I had my mind set on it for quite a while until I came across a very lightly used Cannondale Supersix from 2008 in size 56 (gloss back with red/white writing) for a really good price and now i'm torn between the two, hence this thread. I've put together a few pros and cons that I can think of, but they seem to balance out to me, so any points for one or the other would be much appreciated. FWIW, at the moment my main bike is a B'twin Triban 540 that fits like this:
And here are the two bikes' geometries compared:
(bmc in red, cannondale in green)
Oddly the 54 BMC seems to fit about the same as the 56 'dale.
- completely new
- 2018 technology
- heard good things about bmc geometry
- ~1295g for frame, (claimed) not light, but not so heavy for alloy
- comes with a carbon seatpost
- stiffer than 10 year-old carbon?
- bsa threaded bb
- heavy fork at ~450g claimed
- £999 (seems a lot for alloy, but it looks really well made)
Cannondale Supersix 2008
- cannondale geometry
- 1050g claimed weight (probably more like 1150, but still lighter)
- 350g fork
- bb30 (lighter + stiffer(?) than bsa)
- very lightly ridden
- same front end as the system six
- 10 year-old technology
- stiff as 2018 alloy?
- cannondale's first full carbon frame (quality?)
- bb30 is harder to work on than bsa
That seems like a pretty comprehensive list on paper, but if anyone has any experience with either bike or any other points to add, they'd be very welcome.
[Edit: finally learned how to make pictures work here, practised by fixing these]
At the moment I run 25mm veloflex masters on mavic aksiums (I know, what a pleb!) and they measure 24mm. I'd be interested to try wider tyres, but I think 23-25 is plenty for my weight. I have 22mm tubs on my vitus and they feel fine too so yeah, both bikes should be fine clearance-wise.
I have a 2008 Boardman Pro Carbon (the same bike Nicole Cook won the 2008 Olympics on!) and compared to a brand new Kinesis Aithein it is so so much better in every way.
I ran the two with identical setup (105 11sp, deda zero 100 finishing kit, Zondas and 25mm Michelin Pro 4 SC tyres), the fit is identical and the Boardman is nicer in every single way.
Stiffer, more comfortable, more stable and just so much happier at speed and descending. In spite of some reviews saying its 'skitty' you get used to it really quickly and other bikes can feel quite dead in comparison.
I actually sold my Boardman in favour of the Kinesis and after 6 months contacted the buyer who sold it back to me, and then I sold the Kinesis and I am so glad I did.
That said I was fortunate that the Boardman is BSA and never so much as squeaked and the Kinesis was BB86 and noone could stop the damn thing creaking.
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I have an SL5 and a Sprint and have a hard time deciding which one I like better. I like the handling of the SL5 slightly more but the Sprint feels great sprinting and on all out fast rides/racing.moonoi wrote: ↑Sun Jan 21, 2018 2:41 pmI'd go with modern Alu, I owned a S Works Tarmac SL4 and a Specialized Allez Sprint x2. The sprint is a much better bike, as stiff but more comfortable as well. I've since sold both, but I do miss the sprint. It was that good, I think you'd be convinced it was a carbon frame if you didn't know.
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I own two of them myself - both evo hi-mod versions though (2012 and 2014). And they're still the best bike (and best looking bike) I've ever ridden.
I have no problem with old carbon, I have an '05 S-Works Tarmac that's still a great bike. I kept it as a backup to my '18 Allez Sprint. They are both nearly identical build, setup nearly the same, and the geometry is close enough that they ride about the same. The Allez is my primary; it's stiffer, more lively, slightly lighter, but the 13 year old Tarmac is still more comfortable over anything more than 2-3 hours.
I'll leave it up to you to figure out the other 30%. If you are in any way offended, that's on you.
From the pictures the frame looks in really good nick as far as I can tell. There aren't any obvious marks or scratches and it's as clean as can be. It must have been built up for at least a little while because the steerer has been cut (not a problem btw). From what I've found on t'internet the frame has alloy inserts for the bb and headtube, hopefully no corrosion issues? From the description I get the impression that the seller hasn't used it in a long time and needed to make some room in a house probably full of other his wife thinks he should get rid of .
Here's the ebay listing: https://www.ebay.co.uk/itm/Cannondale-S ... SwmFNZZ3RB
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