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im about to add a new road bike to my stable and there is a lot to chose from.
my problem lies with which group set to go with.
Shimano or SRAM
If Shimano is Di2 the way to go
ALSO
at the moment by TT bike has a 53/39 front ... Do I mirror this on thenew road bike or do I go compact ...
... The bike that is being sort of replaced (a Trek Madone) has a Dura Ace triple on
thoughts please 
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PS.. This will be my main bike for training, long social rides and sportives etc
I have Ultegra on the road bike, and SRAM on my TT, but often use the aero wheels from my TT on the roadie with no selection issues.
Will i have had various iterations of Shimano for many trouble free years, my training buddy has had a bike with SRAM red for the past year and it has been a pig to get set up not what i would expect from a top of the range groupset, just to mix it up my new roadie has Campag Athena 22 speed and though its early days i am very impressed
Dave. I do that at the moment ... But the new sShimano is 11 speed ... So that'll put an end to that ... As my TT is 10spd SRAM and the wheels (mavic cosmics) are not 11 speed compatible.
im also looking at changing my TT to Di2 but it'll need to be the older 10speed
Never had any issues setting them up with the SRAM
I regret not going Di2 on the Ridley though, even if just to see what it's about. I've nott got race wheels (yet) just some Campag Zonda and some Ksyrium Elite. The Shimano bike makes it easier to buy second hand or bargain in the sale though.
There's more to what groupset to go for than how fast you'll go. Reliability, ease of maintenance, overall quality and so on. Losing weight and training more won't make up for a crap groupset that decides to stop working.
The Ridley I hired in Tenerife back in March was a compact with Di2, didn't miss a beat all week, would Deffo consider it for my next bike
I'd get a compact - of course the new 11 speed Shimano stuff is all compact anyway and it just depends what chainrings you have but I'd go for a compact set up given what you are going to use it for. Having sram on one and 11sp Shimano on the other is a bit of a pain but how much of one depends how often you'd want to swop the wheels across.
Having just had a look at 11sp 105 groupsets I'm now toying with the idea of asking santa for one to replace the 10sp Tiagra on my Cube Peloton Pro. Might also need to look into some new wheels..
A 52/36 is a great set-up, if the option is available. If I was in the market for a new groupset, I'd be looking at 11 speed 105, when set-up correctly, it performs as well as Ultegra and Dura Ace, but lighter on the wallet. Okay, not as flash, but it's fantastic for a "mid range" groupset.
Sram or Shimano? Whatever you prefer the feel of when shifting. Sram's double tap system has a split market, love or hate
Sk this is not about throwing loads of money at it . It's about replacing an old bike And because I work hard I can afford to do it , but I was enquiring about people's view on group sets
so if you don't have anything useful to add ..
popster. I was looking at a giant today and it came withe decent wheels anyway ... And disks ... Since when was disks a road thing?
I have a TT bike for TTs
Just picked up on this (not read whole thread yet) - to my knowledge ALL mavic hubs are 11sp compatible. Prior to 11sp they require a 0.85mm spacer which is simply removed for 11sp.
Rear disk? You can use those at TTs.
I have Shimano on my road bike and SRAM on the TT. I hired a road bike in the US with SRAM and it did the job. SRAM gear changes to me seem more positive. YMMV.
D'oh! Sure you could do a club TT with disc brakes.
Been a lot in the comics about next years bikes all gaving a disk option, but that they are not UCI legal for racing...
One of the reasons why C??rvelo have been working with Magura to come up with hydraulic rim brakes on the P5 as its better than cable, but discs aren't allowed
A prime driver for hydraulic is the ease of aerodynamic routing vs a Bowden cable. Sure the stopping power is greater, but there's tradeoffs that would otherwise preclude their selection in TTs (which by their nature generally don't have a lot of braking).
I don't think I'd go di2 for a normal bike - I think the advantages might be more on a tri bike so you can change gear from multiple locations.
Cougie .. That was my thinking of going Di2 on my TT bike so I can put changes on hoods and ends ... This will need to be 10-speed though, as my wheels not 11-speed compatible (I dont think)
I hope to do this in time for IM Austria
WW my technical knowledge on this subject is poop. I've had two bikes, both Shimano Ultegra (2006 & 2013). What I can tell you that may be of some help, is that my current bike, bought & set up last year, has Mavic Cosmics & new 11 speed Ultegra. Hopefully that bodes well for the compatibility of your existing wheels & a new 11 speed setup.
PRW - Cheers mate
I'd love to get a full ultegra 11 speed set but I wouldn't go for di2 personally. That said anything I read about it says people weren't expecting much and since using it wouldn't go back. Its probably fantastic.. I know a guy turned up to a race without having a charged battery and couldn't race.. awful reason to miss a race.
As for 10/11 speed.. it would be a shame not to get an 11 speed setup. If the wheel isn't already compatible is there an adapter you can get?
I'll keep my mouth shut next time
Sorry mate ... missed your post
No worries, kidding!