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 Scott Addicted 
Here's a more-or-less complete and brand new Dura Ace 7900 groupset. I decided to stick with 10-speed for compatibility reasons. As this story is presented retroactively, I can say that I'm amazed with DA. STI's are so light and precise, especially on up-shifts, brakes are amazing and the carbon pedals make for noticeably easier spinning! I prefer Ultegra's front derailleur action over DA's though.
Here's a more-or-less complete and brand new Dura Ace 7900 groupset. I decided to stick with 10-speed for compatibility reasons. As this story is presented retroactively, I can say that I'm amazed with DA. STI's are so light and precise, especially on up-shifts, brakes are amazing and the carbon pedals make for noticeably easier spinning! I prefer Ultegra's front derailleur action over DA's though.
Viewed: 524 times.

Dura Ace 7900 chainset weighs 50 grams less than Ultegra 6700.
Dura Ace 7900 chainset weighs 50 grams less than Ultegra 6700.
Viewed: 545 times.

Rear derailleur weighs 20 g less...
Rear derailleur weighs 20 g less...
Viewed: 611 times.

...and 20 grams difference again for front derailleur!
...and 20 grams difference again for front derailleur!
Viewed: 495 times.

Dura Ace 7900 STI's weigh whopping 65 grams less than Ultegra 6700 ones...
Dura Ace 7900 STI's weigh whopping 65 grams less than Ultegra 6700 ones...
Viewed: 476 times.

...while brake calipers save 21 grams.
...while brake calipers save 21 grams.
Viewed: 494 times.

Dura Ace 12-25 cassette is noticeably lighter than Ultegra, or to be more precise - 51 grams.
Dura Ace 12-25 cassette is noticeably lighter than Ultegra, or to be more precise - 51 grams.
Viewed: 469 times.

242 grams for 7901 chain shortened to 108 links, which is 11 grams weight difference compared to 6700.
242 grams for 7901 chain shortened to 108 links, which is 11 grams weight difference compared to 6700.
Viewed: 480 times.

I opted in favour of Ultegra 6800 Carbon pedals instead of Dura Ace ones as they are only few grams heavier yet still 58 g lighter than Ultegra 6700. Totals up as very close to 300 grams shaved off in the groupset department.
I opted in favour of Ultegra 6800 Carbon pedals instead of Dura Ace ones as they are only few grams heavier yet still 58 g lighter than Ultegra 6700. Totals up as very close to 300 grams shaved off in the groupset department.
Viewed: 483 times.

The handlebar will be wrapped in Deda fluorescent yellow bar tape @ 63 g. I've had lime green on my ex-CR1, so this colour choice alludes at the progression :-).
The handlebar will be wrapped in Deda fluorescent yellow bar tape @ 63 g. I've had lime green on my ex-CR1, so this colour choice alludes at the progression :-).
Viewed: 1043 times.

Stealthy Elite Custom black on matt black bottle cages - 41 grams x 2.
Stealthy Elite Custom black on matt black bottle cages - 41 grams x 2.
Viewed: 513 times.

After disc brakes, will this be the next big thing in road cycling? :-)
After disc brakes, will this be the next big thing in road cycling? :-)
Viewed: 611 times.

And here it is, all built up together with my PRO Vibe 7s 130 mm stem, PRO Vibe 7s 44 cm handlebar and Fizik Arione CX Braided saddle (591 g for the three), 6700 Ultegra wheelset with Continental GP4000 tyres (2414 g for the set), cables and grease. The total weight is 7250 grams - which makes it exactly 400 grams lighter than my ex-CR1.
And here it is, all built up together with my PRO Vibe 7s 130 mm stem, PRO Vibe 7s 44 cm handlebar and Fizik Arione CX Braided saddle (591 g for the three), 6700 Ultegra wheelset with Continental GP4000 tyres (2414 g for the set), cables and grease. The total weight is 7250 grams - which makes it exactly 400 grams lighter than my ex-CR1.
Viewed: 679 times.

The frameset is very stiff due to tapered head tube, wide bottom bracket and no shock dampening in the forks. It accelerates fantastically (especially on climbs) - and amplifies the excellent Dura Ace anchors. However, it comes with a penalty - the ride is rather harsh compared to CR1's - it feels as if the tyres have 2.5-3 bars more pressure in them and the chainslap occurs regularly on small rear cogs over bumps, due to the rear fork design (and I hate chainslap with passion).
The frameset is very stiff due to tapered head tube, wide bottom bracket and no shock dampening in the forks. It accelerates fantastically (especially on climbs) - and amplifies the excellent Dura Ace anchors. However, it comes with a penalty - the ride is rather harsh compared to CR1's - it feels as if the tyres have 2.5-3 bars more pressure in them and the chainslap occurs regularly on small rear cogs over bumps, due to the rear fork design (and I hate chainslap with passion).
Viewed: 591 times.

On the other hand - the handling... oh, the handling! I know that the previous Addict has been praised for it but I am blown away now I have experienced it myself. It feels so positive and planted in the corners, while combined with super-sharp steering it makes for an outstanding ride and easily overshadows the downsides of this race-oriented frameset.
On the other hand - the handling... oh, the handling! I know that the previous Addict has been praised for it but I am blown away now I have experienced it myself. It feels so positive and planted in the corners, while combined with super-sharp steering it makes for an outstanding ride and easily overshadows the downsides of this race-oriented frameset.
Viewed: 561 times.

To recap - it has taken me some time to get used to riding the Addict, as it's nothing like CR1's "magic carpet" ride, but now I have, I find it very rewarding and don't look back. Dura Ace groupset is also a vast improvement over Ultegra and plays a great role in the grand scheme of things. Now if I could only get rid of the chainslap...
To recap - it has taken me some time to get used to riding the Addict, as it's nothing like CR1's "magic carpet" ride, but now I have, I find it very rewarding and don't look back. Dura Ace groupset is also a vast improvement over Ultegra and plays a great role in the grand scheme of things. Now if I could only get rid of the chainslap...
Viewed: 521 times.

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