Replacing my Ultegra 6500 BB on my Trek 5200

Discuss light weight issues concerning road bikes & parts.
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nelsontod
Posts: 7
Joined: Sun Aug 13, 2017 4:50 pm

by nelsontod

Replacing my Ultegra 6500 BB

Can anyone help me with replacing it with the lightest BB and Crank setup possible?

It is a single. I only run one 39T chain ring and a 14T in back.

I currently have the bike down to 14.7lbs

the current bottom bracket is ultegra 6500 68x109.5 Octalink V1.
my current cranks are dura ace 7700 175mm 130bcd

I am looking for the lightest conversion possible for both BB and cranks. I am hoping I can find a titanium or better yet a carbon spindle option. I have looked everywhere and am feeling a little mottled at this point.

Thank you Weight Weenies!

Todd

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