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Changing to SRAM Red crank on 08 Madone?

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Changing to SRAM Red crank on 08 Madone?

Old 08-27-08, 05:08 PM
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govm4
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Changing to SRAM Red crank on 08 Madone?

I want to replace my Ultegra SL crank on my 08 Madone with a SRAM Red. Aside from the crank itself, what bearing set or BB do I need to make the switch into new Madone BB?
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Old 08-27-08, 05:38 PM
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You will need to replace the non-drive side bearing and bearing seal with the Sram specific setup. You will also need a wave washer to go between the crank arm and drive-side bearing seal. You'll want to talk to your dealer about those parts, not available elsewhere at this time I don't believe.
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Old 08-27-08, 05:49 PM
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why are you looking to downgrade?
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Old 08-27-08, 06:14 PM
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Originally Posted by merlinextraligh View Post
why are you looking to downgrade?
I don't consider the Red a downgrade from Ultegra SL. Besides, I am also looking at saving about 180 grams.
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Old 08-27-08, 06:47 PM
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Ultegra's a great crank, but Red consistently comes out near the very top in every crank review I've seen. It's definitely not a downgrade.
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Old 08-27-08, 06:51 PM
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Red is not a "downgrade". Red is lighter than campy record and the shifting is superb and easy to manage. I have ridden Shimano and Campy. I now ride a full Red Gruppo and it is amazingly solid. Shifting is not as quiet as shimano but feels much more succinct. So go for the Red cranks and bottom bracket and then save up and get the full gruppo...
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Old 08-27-08, 06:56 PM
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Similar question was asked on the RBR forums a couple of days ago...

http://forums.roadbikereview.com/sho...d.php?t=142786
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Old 08-27-08, 07:01 PM
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Look at the number of Pro teams that are running SRAM, and how many of those riders are electing to use Rival cranks.
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Old 08-28-08, 05:51 PM
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If anyone is interested, I got the skinny on installing SRAM cranks, in my case, the RED, on the new 08 Madones. I called Trek, and they told me to call the local dealers and obtain part kit #404700. I called around and found one. Went home and installed my new RED crankset. It looks sweet.

The kit contains the plastic two piece bottom bracket liner, (1) wave washer, (2) new bearings, one with a lip, (1) metal bearing seal and (1) rubber bearing seal. With the way the new Madone BB is made, the install was a snap!

Last edited by govm4; 08-28-08 at 05:53 PM. Reason: pic problems
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Old 08-29-08, 09:19 AM
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Originally Posted by merlinextraligh View Post
Look at the number of Pro teams that are running SRAM, and how many of those riders are electing to use Rival cranks.
Yeah but most if not all of those instances have been due to lack of availability of appropriate lengths on the Red crankarms. Particularly the longer lengths were the most noticeable (riders who needed 180 mm cranks as these were not readily available with Red but were with Rival).

Most of the discussions here and in RBR have centered around that fact and not around any supposed inferiority of the Red cranks.
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Old 08-29-08, 10:59 AM
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If your team is sponsered by SRAM, and you're running a Rival crank, you don't say its because you don't like the Red crank. You say its because the right length wasn't available.
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Old 08-29-08, 11:25 AM
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Pros usually don't care what they ride, as long as it works and is reliable. With that said, the less carbon on the bike, the better. You'll never see a pro with a carbon stem, and many elect to do non-carbon bars as well. Maybe they don't like the idea of having to worry about a carbon crank incase of a crash
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Old 08-29-08, 01:41 PM
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Isn't the Force crankset lighter than the Red one?
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Old 08-29-08, 03:23 PM
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Originally Posted by bsyptak View Post
Isn't the Force crankset lighter than the Red one?
No. According to SRAM, a force crankset & BB weighs a whopping 31 g more than red. With Red you also get the ceramic BB bearings.
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