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17 comments
The 5700 10s is a really good groupset. Why you would want to spend all that good money just to have an extra gear . The actual gain will be negligible!
Tbh I was on 9 speed tiagra before moving to 11 SPD 105...there is no difference in speed between the two and not really much difference in terms of shift quality.
I would not have upgraded if it wasn't for crash damage.
If I was in your position, I'd stick with the older 105, its still perfectly decent stuff.
Oh sorry i thought you were after another flat bar,Although i only had the briefest of looks the 540 looks very nice.
If budget is a main consideration and you say that you are saving for a second 'Sunday Best' bike, and that this bike is a commuter.... Well if it was my money I'd seriously be asking what does 11 speed give me that 10 speed doesn't?
To stay off topic.
Will you be making use of the cycle to work scheme to save tax on your new commuter bike?
You are, of course, correct! As with all things I want the latest and greatest, but I'm sure 10spd will be absolutely fine for everyday commuting.
And yes I'll be using the cycle to work scheme, which gets the price down to about £360.
Well it's obvious isn't it. The old one goes up to 10, but the new one can be turned up to 11. That's all the way to 11, not just 10. I'm afraid 10 doesn't cut it any more, not now that 11 has arrived.
Who, in their right mind, would be satisfied with only 10, knowing all the time that some people have achieved 11, which is at least one better. That's one better in every way, of course. It's called mathematics and it's simple, if you concentrate.
I was in a decathlon on Fri,The 540 flat bar has tiagra 10 speed not 105.
If you are going to start swapping bits would it not be more economic to buy the 520 which as far as i can see is the same frame.The price difference would cover shifters/cassette/chain plus of course whatever you can get for what you take off the bike.
Personally i wouldn't bother with 11 spd for commuting.
The drop bar version comes with 105 shifters and mechs...
https://www.decathlon.co.uk/triban-540-road-bike-105-id_8331275.html
I stand corrected. That's a bit of a change from past tech where pretty much any old mech would work!
Yep, bit of a pity - apparently SRAM will pick and mix a bit, perhaps not ideally but at least functional.
You shouldn't need derailleurs, I don't think, unless there is something fundamentally different between 11 speed derailleurs and all others.
Alas I think there might be differences..
Sounds like that might well apply to 105 unfortunately.
The cable pull is longer on the 11 speed 105, so the compatibility that existed between 9/10 speed derailleurs unfortunately isn't true for 10/11 speed. It's also longer on the new 10 speed Tiagra due later this year, so you won't be able to mix shifters and derailleurs from that with old 10 speed.
The benefit is that shifting is now slightly more accurate and cable stretch leads to smaller alignment problems.
That so? That's a bit crap. I've got Tiagra 4600 on one bike and I'm happy enough with it, so was relieved to see they were sticking with 10 speed for the next revision as I figured it would mean a continuing supply of spares...
All the parts taking the brunt of wear and tear, cranks, cassette and chain should be compatible. It's just the derailleurs and shifters that have to be matched.
What might be interesting for the future, is whether the new Tiagra has derailleurs that are compatible with 11 speed 105, as with 9/10 speed today. I should take a look at the Shimano docs and do a bit of maths.
To upgrade to 11 speed, you'd need shifters, cassette, both derailleurs and chain as a minimum.
It may be possible to upgrade to 11 speed but only if the freewheel is the right size/11 speed compatible.
However it seems kind of pointless to buy a new bike, then upgrade immediately. Why not just buy right first time round?
Thanks for your help. Normally I would agree with you but I'm on a limited budget (currently also saving for a 'sunday best') and need specific features, such as proper mudguard and rack mounts.
I'm happy with the current spec but was just curious about how easy the upgrade would be.
If anyone can suggest an alternative with an alloy frame, aksium wheelset (or similar), 105/rival gruppo and proper mounts for circa £600 I'm all ears!![1](https://cdn.road.cc/sites/all/modules/contrib/smiley/packs/smilies/1.gif)