Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

User Tag List

Reply
 
Thread Tools Search this Thread
Old 05-24-11, 10:25 AM   #1
trail-rider
Member
Thread Starter
 
Join Date: Sep 2009
Location: SoCal
Bikes: TIME Speeder & Gary Fisher Hoo Koo E Koo
Posts: 38
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Trek BB90 Ultegra to Dura-Ace Crank

I am preparing to purchase a 2011 Trek Madone 5.2. I like the look of the Dura-Ace 7900 crank better than the Ultegra 6700 crank that it comes with and am considering upgrading just the crank. I've installed square taper and external bottom brackets but am unfamiliar with BB90. In the pictures on the trek website BB90 looks somewhat like the BB30 press-fit system. To do the upgrade, would I need to purchase a special Dura-Ace BB90 crank and some kind of BB adapter hardware (if they make this ... it's not on the Shimano website)? Or could I just purchase a standard Dura-Ace 7900 crank? Is there some kind of press-fit with Trek's BB90 or would it be a pretty simple installation? Thanks.
trail-rider is offline   Reply With Quote
Old 05-24-11, 05:55 PM   #2
reptilezs
Senior Member
 
Join Date: Sep 2004
Location: boston, ma
Bikes:
Posts: 2,852
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
just purchase the "standard"(there are no other versions really) dura ace crank and it is a direct swap
reptilezs is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -6. The time now is 02:19 PM.