Heyo!
Recently picked up a used bike running a full 105 5600 groupset without much knowledge on chainrings and cassette sizes and the effect they have on how frustrated I get going uphill.
The current gearing is 53/39 and 11/25.
I have narrowed down my options to either picking up a new Ultegra 6800 groupset with compact 50/34 cranks and 11-28 cassette (because why not) or just replacing the cranks and cassette with some used ones for cheap.
Your wisdom would be greatly appreciated.
Thanks
105 5600 worth upgrading?
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- cyclotaur
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Re: 105 5600 worth upgrading?
Postby cyclotaur » Wed Nov 23, 2016 8:37 am
The new 105 11-speed gruppo, rather than Ultegra, is great value as an upgrade from something older like 5600.
You will likely (almost certainly) need a new rear wheel in either case.
You will likely (almost certainly) need a new rear wheel in either case.
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Re: 105 5600 worth upgrading?
Postby Calvin27 » Wed Nov 23, 2016 9:59 am
Worth is a subjective term. But I'd say if you are forking out for a cranks and casette, an upgrade in gruppo is better value imo - if you are doing it yourself.
On that note I rekon 5600 105 is not the greatest of groupsets. The shift feel is not great (even the equivalent 10sp tiagra beats it). As above 5700 would be your best bet.
On that note I rekon 5600 105 is not the greatest of groupsets. The shift feel is not great (even the equivalent 10sp tiagra beats it). As above 5700 would be your best bet.
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Re: 105 5600 worth upgrading?
Postby cyclotaur » Wed Nov 23, 2016 10:22 am
....did you mean 5800 ...?Calvin27 wrote:Worth is a subjective term. But I'd say if you are forking out for a cranks and casette, an upgrade in gruppo is better value imo - if you are doing it yourself.
On that note I rekon 5600 105 is not the greatest of groupsets. The shift feel is not great (even the equivalent 10sp tiagra beats it). As above 5700 would be your best bet.
2023 Target: 9.500kms/100,000m
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Re: 105 5600 worth upgrading?
Postby Calvin27 » Wed Nov 23, 2016 11:49 am
Yep, got my numbers totally mixed up! Just add another '100' to everything I said.cyclotaur wrote:....did you mean 5800 ...?Calvin27 wrote:Worth is a subjective term. But I'd say if you are forking out for a cranks and casette, an upgrade in gruppo is better value imo - if you are doing it yourself.
On that note I rekon 5600 105 is not the greatest of groupsets. The shift feel is not great (even the equivalent 10sp tiagra beats it). As above 5700 would be your best bet.
*Edit. Now it all makes sense. Ignore everything I said and just listen to Cyclotaur. One of those days.
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Re: 105 5600 worth upgrading?
Postby march83 » Wed Nov 23, 2016 12:58 pm
...so long as the rear freehub can accept an 11sp cassette.
Also, unless you're particularly slow or planning on touring I'd go for the mid-compact 36/52 option for the crankset. all to top speed with a low enough granny
Also, unless you're particularly slow or planning on touring I'd go for the mid-compact 36/52 option for the crankset. all to top speed with a low enough granny
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Re: 105 5600 worth upgrading?
Postby superpsych » Wed Nov 23, 2016 2:12 pm
Thanks for the input guys.
One other thing - will I have to swap out my bottom bracket if I get a new set or are they backwards compatible?
Also on the list of stuff to get is a new set of wheels. Fulcrum Racing Quattro is currently leading in that regard.
One other thing - will I have to swap out my bottom bracket if I get a new set or are they backwards compatible?
Also on the list of stuff to get is a new set of wheels. Fulcrum Racing Quattro is currently leading in that regard.
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Re: 105 5600 worth upgrading?
Postby Duck! » Wed Nov 23, 2016 11:37 pm
5600 isn't a bad groupset, especially if the left shifter is the mid-model update 5601, which is less prone to breaking its guts. Its shift feel is considerably better than the 5700 that followed it. (SIDE NOTE: the original-release 5600 left lever was used for both double and triple chainring configurations, and needed exceptionally careful tuning on a double otherwise it could begin to shift into the third chainring position, jam and destroy its internals. In 2008 Shimano addressed this by introducing the double-specific 5601, and renumbering the original as 5603. The part numbers can be found by rolling the rubber hod forward from the handlebar and looking on the outer face of the shifter bracket. The front cover plates also give the clue; pre-update units only have the Shimano 105 logo, post-update also have the word "double" or "triple" as appropriate.)
The 5600 rear derailleur will handle up to a 28T rear sprocket. If you wish to go larger a 6701 Ultegra, 5701 or 4600 (but not 4700, it uses a different, incompatible cable pull ratio) Tiagra model will need to be fitted, which has revised geometry to allow it to fit up to 30T. It will work fine with the 5600 shifter.
You can fit a newer model Shimano crank without changing bottom bracket, but note that 2nd-generation 10-sp. (4600/4700/5700/6700/7900) and 11-sp. have the chainrings further apart to reduce noise, and need to be paired with a similar vintage front derailleur, which has a suitably greater swing off the same cable pull, in order to shift properly.
The 5600 rear derailleur will handle up to a 28T rear sprocket. If you wish to go larger a 6701 Ultegra, 5701 or 4600 (but not 4700, it uses a different, incompatible cable pull ratio) Tiagra model will need to be fitted, which has revised geometry to allow it to fit up to 30T. It will work fine with the 5600 shifter.
You can fit a newer model Shimano crank without changing bottom bracket, but note that 2nd-generation 10-sp. (4600/4700/5700/6700/7900) and 11-sp. have the chainrings further apart to reduce noise, and need to be paired with a similar vintage front derailleur, which has a suitably greater swing off the same cable pull, in order to shift properly.
I had a thought, but it got run over as it crossed my mind.
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Re: 105 5600 worth upgrading?
Postby jules21 » Fri Dec 09, 2016 11:35 am
maybe the horse has bolted, but I would suggest the most cost-effective way to achieve this upgrade would be to purchase a 2nd hand bike with the desired group set in the first place. replacing your current gruppo will almost certainly cost you more in aggregate than just buying the right 2nd hand bike in the first place.
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