£300 set budget for a new bike - suggestions?

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Dogtrousers

Kilometre nibbler
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I’m looking at what they mean online but these are pretty confusing the technical terms are to me.

Here's what I see, scanning this. Other people will have different priorities.

Bottom gear is 34/34. That's adequately low. Not super low but it won't bring you back to the forum asking how to lower it. (But see note on wheel size below)

It's an aluminium framed gravel bike. That gives an idea of the style of the bike. Unlikely to give problems with an uncomfortable riding position. Also suited for off road as the name suggests.

It has rack/ mudguard mounts. This is A Good Thing.

It comes with 650B wheels. Those are smaller than the standard road bike wheels. (584mm vs 622mm). That will lower the effective gearing, so your bottom gear is even lower. That's good (IMO)

TBH I've never ridden a bike with 650B wheels so apart from that I don't have an opinion.

32 spokes front and rear. Good. Some more racy bikes come with low spoke count wheels which worry me.

It comes with 47mm tyres. Those are quite fat. Good for comfort and also gives you the better off road possibilities. But note that tyres are always a good opportunity for the suppliers to cut cost, so the supplied ones might be a bit flimsy.

Cable actuated disc brakes. Not my area. No opinion. I don't even know what "post mounted" means. It does mean something tho.

Shimano Claris 8 speed. Perfectly good. Some might say a bit clunky. Others wouldn't.

All in all it looks interesting, No big red flags for me. Not a lightweight speedster (probably a bit of a lump weight-wise) but more likely to be comfortable and versatile.
 
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N0bodyOfTheGoat

Senior Member
Location
Hampshire, UK
According to the Halfords guide. I assumed anything between 55-58 is fine?

Those of us around 5'10" are typically right on the border between medium and large frames, but the correct size will depend on the brand and the model.

It gets more complicated if you don't have typical leg and torso dimensions for your given height.

For example, I have the legs of someone typically around 5'5" or so (I have top of saddle ~72cm to middle of bottom bracket), but I have the torso of someone more like 6'1" or so. Consequently, I look for road bikes with a seat tube of 48-54cm and a longer top tube of 56-59cm.
 

Webbo2

Über Member
The few things I could work out so far are :

1) any bike will do (for now)
2) need a large frame as I’m 5’10” (56-60 frame size)
3) helmet, lights, bottle carrier, padded saddle & shorts.
4) no idea if I need front and back discs with gears - back, yes. Front - no idea.
5) do I need to know anything else before I go into Decathlon to check out a few bikes?
6) any questions that I need to ask regarding the discs, cassettes and gears as all of this is being done with just two things in mind - BHF London to Brighton ride & dragon devil ride, wales in June 2026.
7) The reason I mentioned the rides in 6 so the questions that need to be asked can be specific.
8) what type of cassette do I need?

One final and the most important question - can the above rides / challenges be done only on a specialised bike or any make & model bike will do ? That’s very important to me.

Going to decathlon in about 2 hours from now so any questions I need to ask are welcome. Thank you everyone.

You don’t need rear discs if you haven’t got front discs. The front brake on a road bike is the one that stops you, the rear just adds some control.
 

vickster

Squire
Here's what I see, scanning this. Other people will have different priorities.

Bottom gear is 34/34. That's adequately low. Not super low but it won't bring you back to the forum asking how to lower it. (But see note on wheel size below)

It's an aluminium framed gravel bike. That gives an idea of the style of the bike. Unlikely to give problems with an uncomfortable riding position. Also suited for off road as the name suggests.

It has rack/ mudguard mounts. This is A Good Thing.

It comes with 650B wheels. Those are smaller than the standard road bike wheels. (584mm vs 622mm). That will lower the effective gearing, so your bottom gear is even lower. That's good (IMO)

TBH I've never ridden a bike with 650B wheels so apart from that I don't have an opinion.

32 spokes front and rear. Good. Some more racy bikes come with low spoke count wheels which worry me.

It comes with 47mm tyres. Those are quite fat. Good for comfort and also gives you the better off road possibilities. But note that tyres are always a good opportunity for the suppliers to cut cost, so the supplied ones might be a bit flimsy.

Cable actuated disc brakes. Not my area. No opinion. I don't even know what "post mounted" means. It does mean something tho.

Shimano Claris 8 speed. Perfectly good. Some might say a bit clunky. Others wouldn't.

All in all it looks interesting, No big red flags for me. Not a lightweight speedster (probably a bit of a lump weight-wise) but more likely to be comfortable and versatile.

A good bike for winter training and fine for L2B. If/when the cycling bug bites, you've still got time to save up for upgrades ahead of the Dragon ride (check what the weather is usually like, if wet as often in Wales, you might want to budget £100+ for a waterproof!)
 

Jameshow

Guru
I understand where you are coming from with this "don't want to get carried away" etc... but try not to fall into the trap of buying something cheap and nasty, a BSO in other words. If you buy it and don't like it, you will ride it 2 or 3 times and it will end up at the back of your shed/garage/whatever, and you have wasted your money.
That is why so many posters are suggesting second hand. Some good bikes out there but you need to know what you are looking for.
I recently got this beauty for £270... Merida Speeder 400 with Shimano 105, hydraulic disc brakes and other reasonably high spec components. Had been bought new by an elderly man who liked it, used it a few times, but was sadly stopped from cycling by health issues. It then sat in his garage for 4 years before he sold it... (and sorry, but I'm in no hurry to sell it on!).

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Definitely £300 is the boarder country of bso rubbish ripoff and decent bikes discounted. Beware!!
 

biggs682

Itching to get back on my bike's
Location
Northamptonshire

Dan Lotus

Über Member
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I’m looking at what they mean online but these are pretty confusing the technical terms are to me.

On paper that looks pretty viable - the gearing range is good.

Negatives for me, are mechanical (Not hydraulic) disc brakes - having had two bikes with these, I found them to be worse them rim brakes, and harder to work with. I'd get them adjusted perfectly, and then within a week they would be out of whack again, it was really frustrating. This was on a flat bar bike - a set of sealed callipers and levers I fitted transformed that bike into what it always should have been.
Suitable levers and brakes for a drop bar bike are way more pricey, and wouldn't be an option.

The other thing that would put me off is the 650c wheels - the odds are when you buy your next bike it will be 700c wheels, and any tubes/tyres you may have will not be compatible - that would irritate me, but perhaps not an issue for you.

How did the shops visit go?
Perhaps give yourself a bit more time, do some more research and explore the 2nd hand angle - there are some shops and or community places that take in old or gifted bikes, refresh them, service them and sell them on - that could be a good way to get a 2nd hand bike but with some kind of guaranteed recent servicing, plus you'd have somewhere to go back to for servicing and advice.
How about this place: Forward motion

Random example of fb marketplace (not near you, and too small I think) of what I would consider a potentially decent buy:
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If you're on a budget, rim brakes will be fine. They're the easiest to maintain, and just make sure you clean rims and brake pads after a mucky ride to minimise the wear to the wheel rims. Not counting the two bikes currently in pieces, I've three with rim brakes (road bike with the standard calipers, steel MTB with cantilevers and a recently acquired hardtail with V-brakes), and one bike with mechanical discs. They're all fine for me for what I do, and I've had no issues with any of them.

I can't advise on bikes, as I ride junior frames (the downside of being an undertall lady rider), but in order to check for size, stand over the bike and make sure the top bar isn't in imminent danger of whacking one's sensitive anatomy. Ideally, you want a good inch or so of clearance. As for reach, put the tip of the saddle against your funny bone and if the tip of your index finger hits the middle of the headset, then you're good to go there too. Anything else can be solved with minor tweaks.

Leave the shorts for now. Not everyone rides padded - I don't. If your saddle is comfortable, spend the shorts money on something else. Like tools as someone else has said. A pump (Topeak Pocket Rocket is a good one), a multi-tool (again Topeak Hexus is a good one) and some basic spares (tube, puncture repair kit, spare quick link for the chain).

P.S. Other than the road bike, which I *did* buy new, all my other bikes were bought secondhand. My hybrid was bought from another member here on cyclechat, and my two mountain bikes were bought from the sales area at the local tip, albeit they've both needed varying degrees of work, which I've done myself. Of the bikes currently in pieces, one was bought S/H from my LBS, and the other was a skip find.
 
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