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Discussion Starter · #1 ·
Hello all. I have a SRAM GXP S350 crankset with a BB86.5 on my Madone 3.1. I believe it is pressfit bb. I would like to install an Ultegra 6700 crankset. My question, is the 6700 crankset compatible? If so, do I need to change the bb or install any adapters? Please let me know if I need to provide more information. Thanks.

Fuzzz
 

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Discussion Starter · #4 ·
Thanks for the replies. I like the idea of the Force crankset and it sounds much simpler to change. I want to change from a compact 50/34 to a standard double 53/39. Will I need to swap chains?

Fuzzz
 
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