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It's probably going to be cheaper to buy 2, the cost of that 2-sprocket group as a spare part is usually more than the whole cassette, as spares don't get heavily discounted.
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CS-9000 can be built 11-19/25/28, whereas CS-6800 can only be done 11-18/23/25/28 or 11-18/25/28/32 due to the grouping of 3 sprockets on the carrier for Ultegra but only 2 for DuraAce.
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Not necessarily. You can use the weight you've saved by not having eyelets to beef up the rim around the spoke holes, and spread the load produced by the spokes more effectively than eyelets. 'No eyelets' =/ weak. As ever, it's a lot more complicated than that.
If there is any hype around Archetypes then it's passed me by, but to describe them as 'weak as shit' seems somewhat ill-informed. Then again, ill-informed bike shop staff holding strongly-held but wrong opinions isn't exactly news, I suppose. More routine.
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no eyelets so will be weaker than open pros
Eyelets are there to rescue a rim which isn't strong enough without them :-)
Overall, making the spoke bed thin and then reinforcing it allows a lighter rim, particularly with double eyelets which transfer some of the spoke load to the tyre bed, but it's possible to build a much stronger rim than an Open Pro without needing eyelets. Also, did you see this:
Just discovered this on my rear rim:
Eyelets weren't enough to save that Open pro
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My opinion is only shaped by the bike shop because I believed them to be a trustworthy source. I think I remember the guy saying he'd seen plenty of broken archetypes but little broken rims that had eyelets.
And they're not a big chain nor was he trying to sell me anything so I felt inclined to believe him...apparently not
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archetypes laced to ultegra hubs... a respectable build for fast training rides? I weigh 10/10.5 stone. should I go 24/24? 24/28?
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Spoke to Harry Rowland regarding my wheel issues. First thing he asked was I running puncture proof 23mm tyres. Yes. Definitely a correlation between thees tires with 100psi+ and snapping spokes. He explained that the force had no here to go so will snap spokes. He's going to build me up another wheel and recommended I get 25mm tires or not puncture resistant ones and not max pressure.
May explain things somewhat -
archetypes laced to ultegra hubs... a respectable build for fast training rides? I weigh 10/10.5 stone. should I go 24/24? 24/28?
Where are you planning to get Ultegra hubs in those drillings?
If you're not going to race, 32/32 has no disadvantages, and you can actually get them.
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Spoke to Harry Rowland regarding my wheel issues. First thing he asked was I running puncture proof 23mm tyres. Yes. Definitely a correlation between thees tires with 100psi+ and snapping spokes. He explained that the force had no here to go so will snap spokes. He's going to build me up another wheel and recommended I get 25mm tires or not puncture resistant ones and not max pressure.
May explain things somewhatSounds like bullshit to me. Loads of people run too-narrow tyres at too-high pressure and they don't keep snapping spokes.
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Where are you planning to get Ultegra hubs in those drillings?
If you're not going to race, 32/32 has no disadvantages, and you can actually get them.
is there a better lighter, just-as-strong, equivalent-price alternative that I'm not considering but should be?
if not, will 32/32 basically be bomb-proof but have a slight weight penalty?
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^^ Yep. My Open Pros have never even needed truing.
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is there a better lighter, just-as-strong, equivalent-price alternative that I'm not considering but should be?
if not, will 32/32 basically be bomb-proof but have a slight weight penalty?
I just had this exact wheelset built up. 32/32 Ultegras built to Archetypes. I couldn't find any suitable hubsets with a lower spoke count at around the same price. Novatech hubs could be an option, but the reliability of ultegras keeps me happy, and a few extra spokes vs having an unusable wheel if I crash is an easy choice. The wheels may be a tad heavy and a bit slow on the acceleration, but in all other areas they are awesome. Nimble and super smooth. If not racing, I do highly recommend them.
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archetypes laced to ultegra hubs...
Perfect training wheels IMO.
if not, will 32/32 basically be bomb-proof but have a slight weight penalty?
They'll come in around 1800g. That wont slow you down, arguably all those spokes in the wind might but 32h is still king for training (or just riding) IMO. You'll be eating flapjacks whilst ride-mates fiddle with wobbly factory wheels and chillaxing, taking shit whilst they tend to snapped spokes. They'll stay reliable and make your summer/race/fast wheels feel extra special.
^^unless you've got your heart set on ultegra, look into hope mono rs', easily availible in 20/24 and similar in weight but sealed bearings and better engagement.
I'd take the ultegra hubs. Easier to service and pawl engagement isn't an issue over walking pace on any bike.
I just had this exact wheelset built up. 32/32 Ultegras built to Archetypes. I couldn't find any suitable hubsets with a lower spoke count at around the same price. Novatech hubs could be an option, but the reliability of ultegras keeps me happy, and a few extra spokes vs having an unusable wheel if I crash is an easy choice. The wheels may be a tad heavy and a bit slow on the acceleration, but in all other areas they are awesome. Nimble and super smooth. If not racing, I do highly recommend them.
Novatech are ok, the freehub can chew up. Ultegras are visibly (and audibly) slicker and the seals are really good, better than my older Dura Ace I think.
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Sorry if this has been posted, but these BDOP DIY wheel build kits look interesting:
http://www.bdopcycling.com/DIY%20Alloy%20Wheels%2024-28.asp
Quite tempted at that price.
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Road Wheels & Road Wheel Recommendations?
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I want to build up a custom 11spd Dura-Ace cassette basically a straight block but with some bailout gears on it - possible? Or will I have to buy two cassettes and swap the 'big end' 3 piece bit over?