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Compare apples to apples! .. Assuming you get a 3D+ that's 468g advertised, then put some rings on it, 153g Rotor compact Non Q, and it weighs 621g vs 694g advertised for your current Ultegra. If you get a 3D, advertised as 540g, then you're saving 1g! Obviously, there's some difference in the bottom bracket weights ..

I'm wondering if it was bought cheap, paint stripped to see the extent of the damage and then the seller got cold feet about restoration so 'patched it up' knowing they'd make a profit on Dario's name .. Just thinking out load. Guess it's a case of seeing with your own eyes. Good luck

They were Euro 300 pieces built to order .. and that was a few years ago

IMHO .. a high load situation like a hill climb the small weight saving isn't worth the risk of shearing a tooth on a fixed carbon fibre cog and DNF'ing.

Experimental Prototype in Sweden used to make a custom ratio 11-23 road bike cassette with eight of ten cogs made from carbon fibre ..

Acros produced and sold for a short while, as it was eye watering expensive, a MTB hydraulic circuit in 2011 .. wonders if Rotor have bought the IP and are adapting it ..

^ that technique works. It's a common bodge when in a pinch without a rivet nut gun. Just make sure you have all the threads of the rivet nut on the screw so the load deforming the rivet nut is spread as much as possible, otherwise (obviously) the risk of stripping threads increases ..

The cage from a rival (or force or apex) of the 10 speed mechs will swap in. However, looking at the third pic on the last page it looks like the screw in the plastic body that holds the cage in place is still in the body, so I wonder if there has been damage inside the body when the cage was pulled out? Also, unless you've got a scrap rival mech to borrow parts off it may be cheaper just to buy a new complete mech as SRAM spares are few and far between and expensive.

Just a suggestion ..

http://welduk.com/product/aluminium-welding-durafix-easyweld-10-rods

Road tubeless is the future! I agree the weight's are similar, unless you're using extreme tyres and tubes like Continental Supersonics, which you are obviously not if your tyres weigh 250g. But if the option is there, then why not use tubeless? The benefits of tubeless as I see them are the self sealing ability and in theory the lower rolling friction.

No! Attacks weigh around 1450g ..

http://www.stradawheels.co.uk/product/alpine-attack/ .. an alloy wheel set at 1358 claimed and if you swapped the Aivee hubs to Novatec super lights it would be about £130 cheaper for little or no weight change. Probably cheaper still if you can source and build yourself.

Don't run stans tubed! .. Go tubeless! SCHWALBE Pro One. No inner tube.

Sub 7 is easy .. Looking at AMAC sale ad that looks like the CAAD6 I built and sold to fizzybubbelech which was under 7 with a set of Reynolds Attacks installed ..

Main parts spec in my build ..

New Sram Red Compact BB30 cranks with Bearings
Rival Mechs and Shifters with iLinks cables
New KMC Chain
Low mileage 7800 Dura Ace cassette
Deda Zero 100 Bars and Stem
Sella Italia Filte TT saddle
Selcof Seatpost NOS
New Kore Gradient Brakes with SwissStop Black Pads

With the exception of the iLinks, no real weight weenie parts used

I can't enlighten you with what was the correct fitting for that top tube braze on, as the TVM I had for a while that fitting was snapped off in the hole when I got the frame. I had to drill out the remains carefully and clean out the threads with a tap .. But the braze on is standard M5 bottle cage braze on.

The surface hasn't been finished in an aesthetic layer of epoxy that also fills imperfections. What you are seeing (I believe from the pics) is the mould line of the tube.

Most stems use M5 screws .. but they are usually longer. It'll either be ok, poke out the back of the body and interfere with the mech arm or bottom out and leave the mech loose, I'm not sure as I don't use Shimano

Do you need the washer? If not then any m5 x 15 screw should fit

WIll be getting those at some point on my bike, even with the low tier groupset (Veloce).

It's not going to work in a way that shimano would consider most efficient Ed .. When they moved the cables to be internally routed they upped the cable pull to the shifters and brakes to overcome the friction in the design. To offset that they increased the mechanical advantage in the brake. So you'll end up with a lever that goes to the bars and then the brake snatches on with nothing in between .. I would suggest ..

Royce Venus, White Industries, Tune, PmP.. Amongst others all make a silver hub set. Another alternative for the box shape rims is the Pacenti PL23 .. although Ed had a set bulge at the eyelets if I recal correctly.

Magnus Walker has only popularised what Rod Emory, RGruppe and others had been doing to early model 911's and 365's.

Singer, for me at least, are RestoModing commissioned pieces.

Sounds like a vinyl or pvc coating applied by dipping, in which case burning / sanding / scrapping are about the only DIY options but it's going to be a long process ..

The weights Rotor list are for cranks only, if you compare apples for apples ..

468 grams for cranks + 150 grams for a set of rings + 11 grams for ring bolts = 630 grams!

But the point is HoKe chose Rotor for aesthetic reasons

Maybe worth a second list with lead times .. You say no urgency but are you ready to wait 3 years, to use Feather as an example.

Wonders if it's because Trek's chairman and majority shareholder is one of the original founders whereas Cannondale are owned by the conglomerate Dorel Industries ? .. just throwing that out there ..

The early Inbred was a single speed only cross country frame and used track ends. There was also a 853 limited run of that version of the frame.

Oh but it has ..

Carbon : http://www.carbonice.net/Aheadcap/Heisse-Inge::23.html

Alloy : http://www.wolftoothcomponents.com/collections/small-components/products/stem-cap-with-integrated-5mm-spacer

A similar search on 'hollow tech bottom bracket lifespan' will reveal similar Internet stories of bearing failing prematurely to what you found for SRAM GXP.

External BB life span depends on riding conditions, the sealing of the bearings and the installation .. has the BB she'll been faced so the bearings are parallel, is the preload on the bearings to much etc.