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Groupsets Conundrum

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  • October 13, 2016 at 8:56 am #26383
    ClubSmed

    I am going to be building up a bike for my other half using a spare frame and I was wanting to get peoples thoughts on groupsets.

    My current options are as follows:

    New Shimano 105 (5800) 2×11 speed – This is exactly the same as on my bike so would mean I only have to consider spare parts for one type of groupset. I would use an 11-32 cassette here.

    Old Shimano Utegra triple (6500) 3×9 speed – This may enable her to more easily do the larger inclines when we do tours but spares are becoming rarer. I would use a 12-25 cassette here

    Thoughts?

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  • October 20, 2016 at 7:12 am #880017
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    Simontuck

    2×11 with a compact crankset

    2×11 with a compact crankset and the correct derraileur to fit a 32 at the back. Job done.

    October 16, 2016 at 7:31 pm #880015
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    matthewn5

    Put the shiny new group on it

    Put the shiny new group on it. My other half doesn’t like used stuff – yours may differ of course. But it will be more special if it’s brand new.

    October 16, 2016 at 6:40 pm #880013
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    harman_mogul

    2×11 Shimano every time. Even

    2×11 Shimano every time. Even tho I have a triple setup on my winter bike! Alfine hub gear with electronic shfting not so bad either…

    October 15, 2016 at 2:43 pm #880011
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    Roadie_john

    Unless you’re deliberately

    Unless you’re deliberately building something retro or getting the 9s kit for free, go for the 105. It’ll work at least as well, if not better, for the lack of wear, spares will be easier to find and cheaper/not half worn already. 105 is good quality kit. 5800 probably works better than 6500 did. My 4700 is on a par with the 6500 I used to have on my race bike, and was much easier to set up to boot.

    October 14, 2016 at 8:07 pm #880009
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    maviczap
    . . wrote:
    ClubSmed wrote:
    It will have drops so I think such a large rear cassette is out of the question unfortunately

    Have you consider Tiagra?  That could give you 34/34

    If not do what i did and swap the front to a 33 and run a 32 – 12. 105 long cage will work easily with the 32.

    33 is the smallest front chainring you can get for a compact chainset i think.

     

     

    October 14, 2016 at 7:27 pm #880007
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    . .
    ClubSmed wrote:
    It will have drops so I think such a large rear cassette is out of the question unfortunately

    Have you consider Tiagra?  That could give you 34/34

    October 14, 2016 at 6:54 pm #880005
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    Jack Osbourne snr

    I’m stumped by these comments
    I’m stumped by these comments.

    I’ve got short legs for my height. I have two triples which have different chainring combos and different crank arms.

    I’ve never felt any discomfort over a two ring set up.

    Do I need shorter legs to feel this mystical uncomfortable weirdness?

    What gear ratios were uncomfortable? What cadence? What crank lengths were being used? Just how short are the legs involved? Where was the discomfort? Did the others dimensions of the bike fit?

    October 14, 2016 at 5:41 pm #880003
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    fukawitribe
    Welsh boy wrote:
    They are uncomfortable if you have short legs.  Never having had long legs I cant say if they are better with long limbs but as a short legged person I would never use a triple again

    Eh ? I have short legs and never suffered on my old triple because it wasn’t a double or single ring. Crank arms that were too long or noticeable Q-factor issues maybe, but not the tiny difference between a 2 and 3 ring crank. What is it that you think is making them inherently uncomfortable – Q-factor presumably (given there’s nothing else..) ?

    October 14, 2016 at 5:30 pm #880001
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    Welsh boy
    Tjuice wrote:
    Vejnemojnen wrote:
    i would not put a triple chainset on, because they are too wide, very uncomfortable and feel funny when pedalling.

    They are??!

    I ride single, double and used to have a triple on a now retired bike, and never found any of them uncomfortable and funny-feeling!

    That said, if building up from ‘new’ / buying the parts, I would not buy a triple.  But if you have the triple groupset lying around the house already, then there is not harm in building up the bike with that in the first instance and see how the other half gets on.  And then change the groupset in due course when you both feel like upgrading.

    [As it happens, I am building a bike for my other half using mostly parts that I have around the house, including a triple.  If she gets into it (today she much prefers running), we’ll buy her a new bike]

     

    They are uncomfortable if you have short legs.  Never having had long legs I cant say if they are better with long limbs but as a short legged person I would never use a triple again

    October 14, 2016 at 8:46 am #879999
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    Tjuice
    Vejnemojnen wrote:
    i would not put a triple chainset on, because they are too wide, very uncomfortable and feel funny when pedalling.

    They are??!

    I ride single, double and used to have a triple on a now retired bike, and never found any of them uncomfortable and funny-feeling!

    That said, if building up from ‘new’ / buying the parts, I would not buy a triple.  But if you have the triple groupset lying around the house already, then there is not harm in building up the bike with that in the first instance and see how the other half gets on.  And then change the groupset in due course when you both feel like upgrading.

    [As it happens, I am building a bike for my other half using mostly parts that I have around the house, including a triple.  If she gets into it (today she much prefers running), we’ll buy her a new bike]

    October 14, 2016 at 7:00 am #879997
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    Jack Osbourne snr

    Sorry V, I need to argue the
    Sorry V, I need to argue the point on chains.

    Chains used on triples are every bit as long-lived as any other once you appreciate that the facility to cross chain in a triple setup is greater than in a double.

    For 9 speed – If you run the big ring with the smallest 5/6 sprockets and the granny with the biggest 5/6 you won’t kill a chain any faster. You also have use of all sprockets with the middle ring.

    I have a Campag Record triple which has been running the same chain for at least 5000 miles.

    October 14, 2016 at 3:57 am #879995
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    Vejnemojnen

    i would not put a triple

    i would not put a triple chainset on, because they are too wide, very uncomfortable and feel funny when pedalling.

     

    not to mention, that the 9spd chains are not as durable, esp. with the chainlines of a triple.

     

    and the 9spd shimano groups of the octalink era were tend to wear out kinda fast (5500-6500-4400 etc)

     

    get the 11

    October 13, 2016 at 2:15 pm #879993
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    ClubSmed

    Thanks everyone, looks like I
    Thanks everyone, looks like I’m going for the compact 105 then

    October 13, 2016 at 1:50 pm #879991
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    racingcondor

    Derailleurs wear out around
    Derailleurs wear out around the pins which gives you sloppy shifting and becomes a pain to set up. I’d steer clear of the 6500 unless you know it’s done a very low mileage.

    Another vote for the 105 here

    October 13, 2016 at 1:44 pm #879989
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    Jack Osbourne snr

    In that case, I’d get the
    In that case, I’d get the compact.

    I took my commuter on a business trip earlier this week… 15 miles on rolling terrain with a couple of short steepish hills from station to hotel and then 3 miles to site. Laptop, stationery, assorted phones chargers and connections, two full sets of clothes Inc shoes plus cycling kit. All in, about 20kg of extra weight.
    Did this on a compact with a 32t out back and was only on the small chainring a couple of times. I may have been guilty of crossing my chain on several more occasions though…

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