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Thread: Ultegra vs 105

  1. #26
    blah blah blah milkbaby's Avatar
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    For $350 I'd buy it and throw it in my pile of spare parts for a future bike build. At that price it's a great deal.

  2. #27
    Senior Member EastTNrider's Avatar
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    Thanks for all the advice guys I think I'm gonna pull the trigger on it! Anyone happen to know ABOUT how much weight I'll be shedding going from stock Bianchi brakes/crank arms, tiagra front derailer and 105 shifters/rear derailur to Ultegra everything?

  3. #28
    Senior Member macca33's Avatar
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    Quote Originally Posted by e_guevara View Post
    According to the page, the groupset includes:
    - Ultegra FC-6800 Crankset Standard 53/39 (new 4-arm design, 110 mm BCD)
    - Ultegra ST-6800 Dual Control Shifters Set STI
    - Ultegra Rear Derailleur RD-6800 SS
    - Ultegra Front Derailleur FD-6800 Braze On
    - Ultegra Brake Set BR-6800
    - Ultegra 11-speed Cassette CS-6800 (11-25 / 11-28 / 12-25)
    - Ultegra 11-speed Chain CN-6800 116 Links

    Here's the link: Shimano Ultegra 6800 11 Speed Groupset, Chain Reaction Cycles

    Normally, it's retailed at $1700.
    A full 6800 groupset can be had from many online stores - even here in Australia - for around AUD$800 - which is an absolute bargain.

    To the OP - well worth the effort. I have just done the conversion on both of my CAAD10s - one from Ultegra 6700 and the other from Dura Ace 7800 - the Ult6800 is a lot better than both in terms of ergonomics and performance - particularly the brakes. Go for it!

    cheers
    CAAD10 Berzerker Ultegra6800 - CAAD10 Team Ultegra6800 - FOCUS Mares CX Ultegra6800

  4. #29
    Senior Member fstshrk's Avatar
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    Quote Originally Posted by e_guevara View Post
    I think fstshrk is asking "what is the length of the crank that came from your mate's girlfriend?"

    If it's a regular size (not an odd size), 170 mm, and your current FSA Omega crank also has 170 mm, and you're not having any problem with your current crank, then you're fine.
    Exactly. Check the crank arm on your bianchi to see what the length is. If it is 54/56 I am guessing it will be 172.5, a 58+ bike would be 175 typically.
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  5. #30
    Senior Member EastTNrider's Avatar
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    Quote Originally Posted by fstshrk View Post
    Exactly. Check the crank arm on your bianchi to see what the length is. If it is 54/56 I am guessing it will be 172.5, a 58+ bike would be 175 typically.
    My Bianchi is a 57cm bike so hopefully the lengths will match up

  6. #31
    Senior Member EastTNrider's Avatar
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    Quote Originally Posted by macca33 View Post
    A full 6800 groupset can be had from many online stores - even here in Australia - for around AUD$800 - which is an absolute bargain.

    To the OP - well worth the effort. I have just done the conversion on both of my CAAD10s - one from Ultegra 6700 and the other from Dura Ace 7800 - the Ult6800 is a lot better than both in terms of ergonomics and performance - particularly the brakes. Go for it!

    cheers
    Good to know! He just told me it's a 2014 6800 Ultegra set up, so brand new!

  7. #32
    Senior Member seymour1910's Avatar
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    Quote Originally Posted by EastTNrider View Post
    Good to know! He just told me it's a 2014 6800 Ultegra set up, so brand new!
    why are you still chatting about this, go to his house NOW....lol

    6800 can be had for cheap online, I think Ribble has it for $696 right now, but $350 is just a steal. If it were me I would already have my bike stripped down and ready for the new stuff.

  8. #33
    Senior Member EastTNrider's Avatar
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    Quote Originally Posted by seymour1910 View Post
    why are you still chatting about this, go to his house NOW....lol

    6800 can be had for cheap online, I think Ribble has it for $696 right now, but $350 is just a steal. If it were me I would already have my bike stripped down and ready for the new stuff.
    Haha don't worry I'm going to get it! He lives a few hours away though and I don't know how to put all of that on myself. Probably won't be back to his shop until september :-/

  9. #34
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    Quote Originally Posted by EastTNrider View Post
    I have an opportunity to purchase a friend's unused complete Ultegra drivetrain, crank arms and brakes for only $350. Anyone have experience going from 105s to Ultegras and if it's a marked improvement? How about the weight difference?
    Buy it and save up for a nice frame to put it on or throw it on your current bike and thorw your old components on a commuter/rain/2nd bike.

    I am known to buy stuff just because it's a good deal. I am also known to resell stuff

  10. #35
    Senior Member EastTNrider's Avatar
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    Quote Originally Posted by Team Sarcasm View Post
    Buy it and save up for a nice frame to put it on or throw it on your current bike and thorw your old components on a commuter/rain/2nd bike.

    I am known to buy stuff just because it's a good deal. I am also known to resell stuff
    Well I'm planning on keeping this frame for a while. It's perfect for what I'm doing with it right now. Since I wouldn't get a whole lot for the 105s, I probably will just keep those and decide what to put them on later

  11. #36
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    Quote Originally Posted by EastTNrider View Post
    I'd be going from a 10x2 to 11x2. My 105s are 2013 with Tiagra front derailur
    Yikes! Do eet!

  12. #37
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    Quote Originally Posted by EastTNrider View Post
    Anyone happen to know ABOUT how much weight I'll be shedding going from stock Bianchi brakes/crank arms, tiagra front derailer and 105 shifters/rear derailur to Ultegra everything?
    Not much, probably less than a pound.

    Don't be concerned too much about the weight. The performance advantage of the 6800 is what matters most in this case.

  13. #38
    Senior Member EastTNrider's Avatar
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    Quote Originally Posted by e_guevara View Post
    Not much, probably less than a pound.

    Don't be concerned too much about the weight. The performance advantage of the 6800 is what matters most in this case.
    Yea definitely more excited about the performance for sure. Just weighed my bike at 21lbs tho so I'm really trying to bring down that number

  14. #39
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    If you're concerned about the weight, look into upgrading from your stock wheelset where it can impact weight and performance a lot more than a groupset.

  15. #40
    Senior Member EastTNrider's Avatar
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    Quote Originally Posted by e_guevara View Post
    If you're concerned about the weight, look into upgrading from your stock wheelset where it can impact weight and performance a lot more than a groupset.
    Yea wheels were going to be my first big upgrade to shead weight but then this Ultegra deal popped up for less than the price of a good set of wheels so I may have to go with that instead for now

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