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Di2 considerations and ponderings – yay or nay?

  • This topic has 21 replies, 17 voices, and was last updated 11 years ago by Guernsey Donkey.
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  • January 31, 2015 at 10:05 am #23144
    bobster

    Looking to go Ultegra, and faced with the choice of mechanical or jumping to Di2.

    This would be on a year round use bike, not planning to race it, just get out and ride – but treating myself a bit too.

    So real world experiences of Di2 users appreciated, anyone that’s tried both and their thoughts would be greatly appreciated.

    All and any input welcomed to help with my decision making process.

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Viewing 15 replies - 1 through 15 (of 21 total)
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  • June 22, 2015 at 10:31 pm #830003
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    Guernsey Donkey

    I agree with all of the above
    I agree with all of the above even though I have EPS.

    One thing I will highlight is the lack of chain rub. I spent an age at the weekend on a sportive grinding up a long drag into the wind when I spotted another rider with a faster candace but with an obviously smaller cassette than me. A glance down confirmed that I was in 50-29 rather than the 34-29 that I thought! Sometimes that chain rub is a useful hint 😉

    June 22, 2015 at 4:44 pm #830001
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    tiddy

    I use Ultegra Di2 with both
    I use Ultegra Di2 with both 10 and 11 spd wheels, spacer fitted to 10 spd cassette.

    June 22, 2015 at 3:33 pm #829999
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    Rob747

    if the bike was Di2, could
    if the bike was Di2, could you use 10 speed wheels / cassette?
    I’m aware a spacer is reqd for a 10 speed cassette but isnt the chain narrower too?

    June 22, 2015 at 1:24 pm #829997
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    MrMajic

    I can answer that – once
    I can answer that – once correctly set up the chain won’t rub if you cross the two extremes of the gearing. You still shouldn’t do it though, as it means that the chain isn’t running straight which will load the rollers un-evenly. I’ve had Di2 for a year or so now and I would definitely buy it again. That said, I have mechanical on my winter bike – it seems like an unnecessary expense for a winter bike.

    June 22, 2015 at 12:32 pm #829995
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    tjm160

    Thanks bobster, helpful
    Thanks bobster, helpful thread and info. Can I just ask whether there is any residual chain rub with the auto trimming or whether the age-old cross-over issue has been resolved completely with the advent of Di2?

    June 21, 2015 at 10:10 pm #829993
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    bobster

    For anyone that stumbles
    For anyone that stumbles across this thread in the future.

    I went with the Di2 in the end, had it for about 6 weeks now, absolutely loving it, glad I went with it, so effortless in use, easy to check battery level and auto trimming is fantastic.

    January 31, 2015 at 11:26 pm #829991
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    flippineck

    i to have two di2 10 speed
    i to have two di2 10 speed and 11 speed
    And 105 set up 10 speed compact 105 10 cassett triple

    Do prefer the di2 with the 10 cassette scram powerdome X and 901scram chain

    January 31, 2015 at 10:59 pm #829989
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    72vintage

    Have ultegra di2 on one bike
    Have ultegra di2 on one bike and 105 5800 on the other. Love them both but di2 edges it for me. Shifting is so smooth and precise and I’ve had no issues mechanically or electronically in 2 years (cue meltdown). Hoods are a touch more comfortable too.

    January 31, 2015 at 7:37 pm #829987
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    ianrobo

    if you have the cash for Di2
    if you have the cash for Di2 would be daft not to.

    When I witched from mech Campag to EPS then the difference is fantastic, I am sure the same applies to Shimano.

    January 31, 2015 at 7:32 pm #829985
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    Tinternet_tim

    I have a number of friends
    I have a number of friends with ultegra Di2 and all love it, so if you make the jump I’m sure you’ll not be disappointed.

    Having said that, I’ve no interest in it as I’ve never had an issue with mechanical ultegra, it’s dead easy to maintain and cheaper to replace when things finally wear out or go wrong (commute big gets caked in muck!)

    January 31, 2015 at 7:32 pm #829983
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    Tinternet_tim

    I have a number of friends
    I have a number of friends with ultegra Di2 and all love it, so if you make the jump I’m sure you’ll not be disappointed.

    Having said that, I’ve no interest in it as I’ve never had an issue with mechanical ultegra, it’s dead easy to maintain and cheaper to replace when things finally wear out or go wrong (commute big gets caked in muck!)

    January 31, 2015 at 4:43 pm #829981
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    kev-s

    i have ultegra di2 on my
    i have ultegra di2 on my workbike, 100 miles a week and used in all weathers and its been faultless

    if u can afford a little extra buy the diagnostic kit aswell, allows you to customise shifting etc.. also handy if you do get a fault

    dont worry about flatting the battery, just check the battery indicator before each ride, even if you forget the front mech will stop working first and you will get 50-70 miles from the rear mech (depending on how often u shift) then if u manage to fully flat the battery then the system will just stay in the selected gear so the bike can still be ridden

    January 31, 2015 at 1:44 pm #829979
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    CXR94Di2

    You press and hold a lever
    You press and hold a lever then the head unit display a light, green is fully charged. If you were daft enough to go out with a very low battery then the first thing to stop working would be the front derailleur. Allow several hundred changes on the rear derailleur before it stopped working.

    January 31, 2015 at 1:37 pm #829977
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    massivecompacthalo

    I’ve had it for about 3500kms
    I’ve had it for about 3500kms and I love it. Battery not an issue, it did 2000km on the first charge and it’s easy to check the charge level with the small control box. I check it every couple of rides just to make sure. For me it’s the precision and near silence that I love and the fact that you just prod gently on the buttons, so little effort. I have another bike with mechanical and I don’t enjoy it half as much.
    Typically ride between 100 and 250km a week in all weather.

    January 31, 2015 at 12:59 pm #829975
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    bobster

    The battery is the bit that
    The battery is the bit that concerns, how do you know when to charge?

    Are the horror stories just people not monitoring their usage, and not looking after it properly?

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