Curve Belgie Air Review (My First Titanium Road Bike Experience)

In this video I will provide a comprehensive review of a limited edition titanium road bike from Curve Cycling. The Curve Belgie Air.

I break this down into three part:
1/ A deep dive into this titanium road bike: the Curve Belgie Air
2/ Sharing my own experiences riding titanium for the first time. I make comparisons to carbon and aluminium road bikes here.
3/ We hear directly from Curve customers what they have to say about Curve Cycling and their titanium road bikes.

Video links:
Curve Cycling:

Titanium vs carbon fibre – Steel vs Aluminum vs Titanium vs Carbon:

Rupert Guinness Book:

Power of the pedal:


MrFornicater says:

I really like the Curve guys and what they’re doing as a brand…but, the frameset price (non-air model, built in China) being in-line with a Moots, Erikson, Alchemy, Litespeed, etc frames is a bit nuts tbh. I say that knowing full well that buying a bike isn’t always a numbers game.

Veloharmony says:

I love how you call Titanium “it’s own thing”. That has been my experience. Feels like nothing else but what I enjoy the most is it’s durability. Top Job, great and thorough video Cam. My current Ti bike was custom built, so I was able to choose a basic road classic geometry with very relaxed seat tube for my rearward sitting position. Keep up the good work.

They Live We See says:

I love how you honestly compare different cycling components without all major marketing crap like most major cycling you tube channels do, I feel like they all push what the sponsors want them to to and it’s all for that 1% of professionals and people with big wallet while the rest of us can’t afford it, I remember a couple of years when shimano released sora r3000 which was mindblowing good and 99% resembled dura ace in terms of the look and it was a great thing for us budget recreational cyclist but non of the major websites and cycling channels got the review for that groupset and compare that to other mid and high groupsets it’s like the only thing that exist on the market is carbon, dura ace, sram red and zipp you know, I would love if this channel goes into every aspect of cycling price range from exotic to everyday cyclist

DanTuber says:

that’s a LOT of coin for a bike!

Cam Nicholls says:

Correction on the wheelbase of the Belgie Air – it’s 980mm not 1003mm. I accidentally took dimensions from the Belgie Spirit (Curve’s endurance ti road bike). Cam

Chris Hopper says:

Great review Cam!

Bendersnatchling says:

Thanks for the review. I hadn’t know about this bike without and boy oh boy is this a beautiful bike!
I also loved your comments about the guy from Curve Cycling not being prepared for you questions. That’s just super impressively polite and we need that on the internet 🙂

Concerning the bike:
I wish it had an e-tap and thus a little fewer cables at the front. But that’s probably a triathlete’s warped taste for a clean aero set-up.
I absolutely LOVE that paint job. Maybe a little less bar-tape would show even more of the handle bar.

My question is:
Feel e.g. stiffness, dampening etc. is foremost a question of geometry. Let’s say you have a round tube vs a rectangular tube, while the latter is higher than wide. The twisting stiffness (plz. forgive my English in case it’s off, since I am no native), will be higher for the round tube, but the vertical stiffness will be greater for the rectangular tube because of its higher area moment of inertia.

A little excursion: The German bike builder Canyon researched for what values of stiffness a German bike magazine would give perfect grades and then “tuned” its bikes in a way using appropriate shapes to get a perfect score for each tested value like bottom bracket stiffness, steerer tube and so on.

So given that, what’s the benefit of using TI when it’s a real pain to work with it?
AFAIK you can build a bike that feels the same as TI bike from carbon fiber, while at the same time achieving a lower weight.

Of course TI has a really, really high bling factor, since it’s widely associated with the aerospace community.

(P.S.: I just spend a whole lot on an R5 frame and its build-up, which might explain my defense of carbon frames XD )

Wish you all the best from Germany

Casualguy 939 says:

Take a drink every time he says “Belgie” 😉
I love titanium, you can see my Litespeed T1 in my profile pic. But I built it myself with Campagnolo Chorus and Bullets for less than half the price of this bike though.

Kim Roberts says:

I’m going to disagree with you on a few points here – number 1 would be that other AU brands are not doing it as well or better than Curve. Prova do what they do exceptionally well – they make their product in AU, not sourced from an OS supplier (to my knowledge, Curve have one model that is made locally, the rest are sourced from off-shore fabricators (not that there’s anything inherently wrong with the far east in terms of manufacture, but if we’re talking about doing things well in the local community, it becomes an important point)), they are locally painted (in the same facility that Curve call on) and they produce at a lower cost than this frame set. Baum are arguably amongst the finest manufacturers of bicycles from metals in the world – again,, all locally made, painted in house and sold world wide – a Baum will set you back more coin for their upper end models, but they offer a (relatively inexpensive) entry point.

Secondly, as you admit, this is your first exposure to Ti as a material and I would encourage you to broaden your experience with different makers – try a Baum, get on a Moots, ride a Number 22 or a Seven etc. – there’s a world of makers out there for you to try.

Thirdly, let’s talk carbon. Comparing bespoke carbon to bespoke Ti I think you’ll find a more relevant experience – world-class carbon will give you the ‘real’ ride feel you describe the Ti bike as having, but at less weight and with superior levels of stiffness. As to durability, there’s absolutely no reason that a modern carbon frame shouldn’t last you (with proper care and barring crashes) as long as a Ti frame. Indeed, I would put the two level in terms of longevity, with alloy second and steel third.

None of this is to bash on Curve in any way – they make some great products and are a truly great company full of great people genuinely trying to produce fantastic bikes with a local approach. I respect them immensely for what they do and how they do it, and feel they should be given maximum kudos for how they go about their business.

Another great video Cam, thank you for taking the time to share with us.

leftymadrid says:

I know that I would not have a possibility to buy one, but sure, titanium is pretty strong, and looks like the classic look actually…I have had alloy, started with steel years ago, and for me, a quality carbon frame is tops, especially if you take care of it, second would be alloy. But to each his own right?

 Write a comment


Do you like our videos?
Do you want to see more like that?

Please click below to support us on Facebook!