Road bike buying advice for newbie

Hi all, new to the forum and road biking (as the title suggests) and looking for some advice.
I am getting into road biking and am on the prowl for my first bike, and I am completely stumped after a month or two of research. I’ve been to plenty of shops and picked up some really good information but I’m no closer to a decision as the choice and range of price Is so vast.
A little about me - have ridden bikes since I was a boy but as an adult only ever a mountain bike (never had a road bike) and the MB I currently use is 15 years old (it is fine but I feel I need to branch out now). Ultimately I am getting into more cycling due to a change in my exercise focus due to an injury (fine now but need to balance it away from just football and running and go lower impact) and I also very much enjoy cycling. 6ft 2 with quite long legs and arms (if that helps at all for sizing estimates).
Budget - up to £1k. I know this is a tiny budget but it is what it is and being my first road bike I feel I want to make baby steps up rather than go all out, if that makes sense.
What have I considered so far?
Decathlon triban series - https://www.decathlon.co.uk/browse/c0-sports/c1-road-cycling/c3-road-cycling-bikes/product-gender-men-s/_/N-2xa369Z8wdlsbZcp3kqy RC500 or RC520
Specialised allez - https://www.primera-sports.com/product/specialized-2021-allez/
Merida scultura- https://www.primera-sports.com/product/merida-scultura-200-disc/
Cube attain - https://www.hargrovescycles.co.uk/bikes/road-bikes/2022-cube-attain-pro-disc-road-race-bike-in-blue__44768
GT GTR sport - https://www.onyerbike.co.uk/bikes/gt-sport-gtr-2020
What I want?
- alloy frame (affordable and my next step can be carbon in a few years when and if I can afford)
- bike as light as possible
- Best overall spec for the price (bearing in mind my knowledge is zero)
- Nice looking colour!
Initially I was drawn to the decathlon options as they seem to be better value for the same type of kit (no big brand name I assume is why). That said, the colour of the triban series is woeful. I won’t lie, I want performance but I also want something that looks cool (the Merida!).
What I need?
- advice, and lots of it!
Thanks in advance and I look forward to discussing it. Ask me anything you think is relevant as I am a 100% novice to road biking so if you think it’s simple and I will have thought of it, trust me I won’t have!!
I am getting into road biking and am on the prowl for my first bike, and I am completely stumped after a month or two of research. I’ve been to plenty of shops and picked up some really good information but I’m no closer to a decision as the choice and range of price Is so vast.
A little about me - have ridden bikes since I was a boy but as an adult only ever a mountain bike (never had a road bike) and the MB I currently use is 15 years old (it is fine but I feel I need to branch out now). Ultimately I am getting into more cycling due to a change in my exercise focus due to an injury (fine now but need to balance it away from just football and running and go lower impact) and I also very much enjoy cycling. 6ft 2 with quite long legs and arms (if that helps at all for sizing estimates).
Budget - up to £1k. I know this is a tiny budget but it is what it is and being my first road bike I feel I want to make baby steps up rather than go all out, if that makes sense.
What have I considered so far?
Decathlon triban series - https://www.decathlon.co.uk/browse/c0-sports/c1-road-cycling/c3-road-cycling-bikes/product-gender-men-s/_/N-2xa369Z8wdlsbZcp3kqy RC500 or RC520
Specialised allez - https://www.primera-sports.com/product/specialized-2021-allez/
Merida scultura- https://www.primera-sports.com/product/merida-scultura-200-disc/
Cube attain - https://www.hargrovescycles.co.uk/bikes/road-bikes/2022-cube-attain-pro-disc-road-race-bike-in-blue__44768
GT GTR sport - https://www.onyerbike.co.uk/bikes/gt-sport-gtr-2020
What I want?
- alloy frame (affordable and my next step can be carbon in a few years when and if I can afford)
- bike as light as possible
- Best overall spec for the price (bearing in mind my knowledge is zero)
- Nice looking colour!
Initially I was drawn to the decathlon options as they seem to be better value for the same type of kit (no big brand name I assume is why). That said, the colour of the triban series is woeful. I won’t lie, I want performance but I also want something that looks cool (the Merida!).
What I need?
- advice, and lots of it!
Thanks in advance and I look forward to discussing it. Ask me anything you think is relevant as I am a 100% novice to road biking so if you think it’s simple and I will have thought of it, trust me I won’t have!!
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I have not ridden all the bikes there, but the Specialized Allez is a tried and tested entry bike which will do all the things you want a road bike to do.
I'm not familiar with this iteration but I rode a '05 allez across the Pyrenees, including all the bike mountains and it served me fine.
I have found a tendency when novices buy bikes is to buy them a size too big. Pay attention to sizing, and if in doubt, by on the smaller side rather than on the bigger size. It is easier to add length to your seat post and your stem than to remove length.
FWIW I would avoid Decathlon stuff - it's fine but it's very low end.
I'd be looking lightly used second hand at a 58cm Allez, Cannondale CAAD, Bowman Palace etc.
I'd want 11 speed mechanical and I'd be fine with rim brakes on the basis there isn't much to go wrong. Probably Shimano 105 or Ultegra.
Unfortunately do not know anyone really into their road bikes, most of my friends do bike but just casually on MB’s and hybrids.
Not looking for second hand as ideally I’ll purchase through the bike scheme to save on tax etc.
Why only 11 speed, out of interest?
Disc v rim brakes - what should I consider here?
I’ll ensure I pay attention to sizing and get fitted properly (another reason not to buy 2nd hand)
The 11 speed was just because for the groupsets I mentioned they've been 11 speed for a long time so anything less would be old - nothing wrong in itself about fewer gears.
If buying new I'd want hydro discs or get rim brakes - I would not want cable operated discs. I don't really know what there is with rim brakes - if anything - these days. So I accept I may be advising you to look for something that doesn't exist.
Why not cable disc brakes? I’d prefer hydraulic but seems to cost an awful lot more. Quite a lot of cheaper bikes have rim brakes. What is the main pros and cons of rim v disc and vice versa?
A basic rim braked road bike that is going to feel lively and if you were to go out with a group wouldn't put you at much of a disadvantage against lads on their 6k dream machines.
Agreed with the above about disc brakes. They tend to be more expensive systems and at the lower range they cut costs.
Rim brakes work and are easy to maintain etc. You're not massively missing out as the difference between them and disc brakes at that price are minimal, but I don't think it matters that much.
https://www.planetx.co.uk/c/q/bikes/road-bikes/london-road?sort=price-asc
Merlin cycles have some around your price point. https://www.merlincycles.com/road-bikes-75267/?price=429-1317
There are platforms that clip over some pedal bodies, but you would lose style marks.
Felt Z6 2012
Red Arthur Caygill steel frame
Tall....
www.seewildlife.co.uk
For the £1k budget most bikes will be pretty similar spec and generally weigh in the same ball park. The most important thing is to get the fit correct, after that I would just buy the one you like the look of. It's a first bike and if you get into cycling you are likely to trade up in the near future anyway.
As has been mentioned, you will get more bang for your buck going second hand but I appreciate a new cyclist may find the safer option of a new bike and warranty back up from a retailer the more appealing option.
So taking all 1k bikes to be the same or similar, what are the one two elements that would differentiate in this price range?
Road race geometry or endurance/ gravel geometry.
(That's off the top of my head )
Felt Z6 2012
Red Arthur Caygill steel frame
Tall....
www.seewildlife.co.uk
Felt Z6 2012
Red Arthur Caygill steel frame
Tall....
www.seewildlife.co.uk
I am not sure. You have no chance.
What is the issue with cable discs?
Sorry for all the questions but it’s a big purchase and I am a genuine novice in this arena!
I'd get disc brakes if frequently stop/starting in bad weather but don't so won't.
If you are city riding then discs make more sense, especially regarding rim wear.
I am not sure. You have no chance.
So more fiddly adjustment than rim brakes and not really the advantages of hydro discs. Much easier to to just go with rim brakes if the choice is between rim or mech disc.
This is a minefield.
Ultimately they'll both stop the bike - don't over think it. If you want a road bike for riding on tarmac at a given price point there aren't going to be huge differences.
I've recommended rim brakes for light weight and simplicity - I'd recommend a reasonably race focused geometry because that's the point of a road bike isn't it?