Winspace Road Bike Frames Compared: SLC3 vs. SLC5 vs. T1550 vs. T1600 vs. C5 vs. Agile!

Winspace Agile Review: Winspace Agile on a bike path.

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Winspace introduced several new road bike frames in the last two years, and their offer started to be a bit confusing. So, in this article, I will review Winspace road bike frames (SLC3.0, T1550 Gen 2, T1600, C5 Aero, and Agile) and help you decide which one to choose.

Winspace Road Bike Frames Compared

The following table summarizes the specifications of all Winspace road bike frames. Below, I explain individual frames in depth.

FrameSLC3.0SLC5.0T1550 Gen 2T1600AgileC5C5 AeroSLC2.0T1550
TypeLightweightLightweightAeroAeroAll-rounderAll-rounderAeroLightweightAero
Weight¹699g (±35g)705g (±35g)800g (±35g)900g (±35g)850g (±35g)1010g (±30g)900g (±30g)780g (±35g)880g (±35g)
Bottom bracketBB86BSA-68T47-85.5T47-85.5T47-85.5BB86T47BB86BB86
Max tire width32mm32mm32mm32mm32mm32mm32mm25mm28mm
MaterialT1100 + T1000 + M46 + M65T1100 + T1000 + M46 + M65T800 and T1000T800 + T1000 + T1100 + Kevlar FiberT800 and T1000T800T800 + M series high modulus carbonT700 and T800T800
Available sizes49, 52, 54, 56, 59cm44, 46, 48, 51, 54cm44, 47, 49, 52, 55cm44, 47, 49, 51, 54cm41, 44, 47, 51, 55cm43.5, 46.5, 48.5, 51.5, 53.5cm43.5, 46.5, 48.5, 51.5, 53.5cm49, 52, 54, 56, 59cm41, 44, 47, 51, 55cm
Disc/rim brake version✅ / ❌✅ / ❌✅ / ❌✅ / ❌✅ / ❌✅ / ❌✅ / ❌✅ / ✅✅ / ✅
UCI-approvedn/a
In-depth Reviewn/an/an/an/aRead Moren/an/aRead Moren/a
BuyCheck Pricen/aCheck PriceCheck PriceCheck PriceCheck PriceCheck PriceCheck PriceCheck Price
Use this Winspace discount code CYCLISTSHUB10 at winspace.cc or lunwheels.cc during checkout to get 10% OFF your purchase.
¹M-size, Unpainted
Updated: Jul 3, 2025.

Winspace SLC3.0

The Winspace SLC3.0 is a purebred climbing bike frame weighing only 699g (unpainted, size M). It is made of T1100 + T1000 + M46 + M65 carbon, and its design is reminiscent of older road bikes. Surprisingly, it uses a rounded seatpost, which is less and less common these days.

A complete bike built on Winspace SLC3 frameset.
Winspace SLC3 | Source: winspace.cc

The SLC3 is a great improvement over the SLC2, which was, by the way, also available for rim brakes. It is UCI-approved, and for me, it’s one of the “dream bikes” for a lightweight bike build.

Use this Winspace discount code CYCLISTSHUB10 at winspace.cc or lunwheels.cc during checkout to get 10% OFF your purchase. Share this code via email.

Winspace SLC5.0

The Winspace SLC5.0 is a lightweight all-rounder. Its weight is a question mark because at Eurobike, the specifications label stated 70g, while in an Instagram post, Winspace stated 900g. It its made of T1100 + T1000 + M46 + M65 carbon, and the rear-end design was pretty heavily inspired by the Specialized SL8. SLC5 was tested in the Silverstone wind tunnel and also takes some features from the T1600, such as the sharper head tube.

Winspace SLC5 introduced: SLC5 hanging on a yellow wall.
Winspace SLC5

I’m looking forward to seeing the results of the wind tunnel testing and also the ride qualities. The frame looked great in person when I was checking it out at Eurobike 2025.

Winspace Agile

Winspace Agile balances lightness and agility. It’s made from Toray T800 and T1000 carbon fiber. It’s an all-rounder frame. I love its curved top tube and its T-tail seat stays. It’s an elegant design.

I started riding it in 2024 and can tell you it looks better in person than in the pictures. It’s a shame that the blue transition continues to green. I don’t think it was a wise choice. However, the internals look smooth and clean (see the pictures below). The details also look better than those on a Factor frame, which I checked in detail in one store.

Agile can accommodate tire sizes of up to 32mm, which is pretty much standard on today’s road bikes. Its sealed thru-axle design makes the entire bike look cleaner. Winspace claims it should improve aerodynamics, but we are talking marginal gains here.

Agile has a more aggressive geometry than C5 and a threaded T47 bottom bracket. Unfortunately, the frameset does not include an integrated handlebar, so you must buy one separately.

You can watch the following video for more info.

Use this Winspace discount code CYCLISTSHUB10 at winspace.cc or lunwheels.cc during checkout to get 10% OFF your purchase. Share this code via email.

… or read my Winspace Agile review.

By the way, here are a few pictures from inside the Agile frame. The bottom bracket area was clean and smooth. Everything else, except one part in the seat tube (where the seatstays connect), which was pretty rough, looked ok.

Winspace T1550 2nd Gen

The Winspace T1550 2nd Gen is the upcoming generation of the T1550, which is the successor to the T1500. It is a pure aero road frame, and it was Winspace’s flagship for a long time. It’s also the first Chinese frameset to appear in the Women’s Grand Tour (Vuelta Feminina 2024).

Black Winspace T1550 Gen 2 aero road bike on a white background.
Winspace T1550 2nd Gen | Source: winspace.cc

Like the Agile and C5, the T1550 uses a T-tail design. The through-axles are also sealed. The frame is made using the EPS+Latex molding technology from T800 and T1000 carbon. It has an aggressive geometry and is UCI-approved.

Use this Winspace discount code CYCLISTSHUB10 at winspace.cc or lunwheels.cc during checkout to get 10% OFF your purchase. Share this code via email.

Winspace T1600

The T1600 is the most eye-catching Winspace frame thanks to its “D-type” intake and “jet-inspired” headtube. It should be 5.5W faster than T1550 Gen 2 at 48 kph. I was the first person on the English internet to inform about it (see Winspace Launches T1600 Aero Frame article or watch the video below), and it started an avalanche.

Love It or Hate It? Winspace Launches T1600 Aero Frameset!
Introducing Winspace T1600

Winspace claims the D-type intake should improve airflow and stability. They also claim it “generates more downforce when it counts”. Well, I don’t think we should play the “downforce” card in the cycling industry, but I would be curious to try this frame.

Other interesting features include the integrated cockpit, thin headtube, and seatpost. They tried to minimize the frontal area, and the T1600 seems pretty aggressive thanks to its sharp leading edges. The frame is also made from the T800, T1000, T1100, and Kevlar Fiber. These are advanced materials, so they are also reflected in the price. Anyway, T1600 definitely stands out from the crowd. How do you like it?

Use this Winspace discount code CYCLISTSHUB10 at winspace.cc or lunwheels.cc during checkout to get 10% OFF your purchase. Share this code via email.

Winspace C5

The Winspace C5 is the most affordable frame. However, it uses several features similar to Agile, such as the twisted t-tail, sealed axle design, or 32mm tire clearance.

Dark blue Winspace C5 road bike with Shimano 105 groupset.
Winspace C5 | Source: winspace.cc

The lower price comes from the lower carbon range (T800) and less aero-optimized design. However, I wouldn’t take that as a disadvantage on an endurance-tuned road bike. A standard handlebar will give you flexibility in tuning your riding position.

Use this Winspace discount code CYCLISTSHUB10 at winspace.cc or lunwheels.cc during checkout to get 10% OFF your purchase. Share this code via email.

Winspace C5 Aero

The Winspace C5 Aero is the heavily redesigned version of the C5. Winspace made an aero bike from it. Surprisingly, it’s 100g lighter despite beefier tubing.

Winspace Introduced C5 Aero frame: An assembled C5 Aero with a black background.
Winspace C5 Aero | Source: winspace.cc

Winspace also transitioned from BB86 to a T47 bottom bracket on this bike. I like the T47 for its ease of installation, but it is a bit heavier. I’m very curious whether this frame will cannibalize the sales of the T1550 2nd Gen because, except for weight and design, there are not many differences between them.

Use this Winspace discount code CYCLISTSHUB10 at winspace.cc or lunwheels.cc during checkout to get 10% OFF your purchase. Share this code via email.

Conclusion

I like the SLC3.0 as a pure-climber machine. It resembles a traditional climbing bike with modern touches (sealed axles, dropped seatstays). It’s my second-favorite Winspace frame. My favorite is Agile, but I’m biased because I own it. I find it comfortable and “agile”. You can read my Winspace Agile review for more details.

The T1550 2nd Gen is suitable for those looking for a stiff, aerodynamic frame. I am not the biggest fan of it design-wise, but it has gathered many positive reviews. The latest generation of the aero frame, the T1600, introduces new features like the D-shape intake, making the frame stand out from the crowd. It should also improve ride qualities and aerodynamics. It’s a pretty controversial frame, but I appreciate that Winspace tried something new, and I would love to try it. What about you?

The biggest question mark for me is the C5 and C5 Aero frames. Despite the same name, only the geometry is the same. Everything else was redesigned, mainly the tube shaping. Thanks to their lower price, they will appeal to more budget-conscious cyclists.

Let me know in the comments below which Winspace frame is your favorite, eventually, if you have experience with them. And if you enjoy talking about Chinese carbon, please join my Facebook group.

Use this Winspace discount code CYCLISTSHUB10 at winspace.cc or lunwheels.cc during checkout to get 10% OFF your purchase. Share this code via email.

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Steve
Steve
1 year ago

Keen to see what the C5 is like, I’m in the market for an endurance road bike, hope this is more endurance than race geometry.

Jim
Jim
1 year ago

There is precious little content online about the C5, compared to the Agile. I want something more endurance focused and am really interested what compromises Winspace have made for the C5.

Bruce
Bruce
1 year ago
Reply to  Jim

Look at the wheelbase. It’s about 5cm longer for the C5. There’s your answer right there. More relaxed geometry, longer wheelbase.

Alfred
Alfred
4 months ago

I’m torn between the Agile and the SLC 3.0. I have an SLC 2.0, but I’m no lightweight, weighing in at 79 kg at 1.69 cm. Comfort wise, I can always put a Cane Creek eeSilk seatpost (which I use on my SLC 2.0), so I’m not sure which is more comfortable (SLC 3.0 with eeSilk seatpost, or Agile with it’s own seatpost plus whatever geometry “magic” it has for longer rides). I do like the way the SLC 3.0 looks (classic lines), and I just prefer white (SLC 3.0 in white is $1,780 vs other colors and Agile, at $1,980) – but the $200 isn’t a factor at all.

I’ve been trying to look for a head-to-head of Agile vs SLC 3.0, but can’t find any. 🙂

And even this updated post still hasn’t made my decision easier: SLC 3.0 or Agile.

Alfred
Alfred
4 months ago
Reply to  Petr Minarik

I have watched your review, and it’s great!

Actually, there’s another contender in my shortlist of bikes – the C5 Aero!

Maybe I should just close my eyes and use a dart board to choose one. 🤣

Alfred
Alfred
4 months ago
Reply to  Petr Minarik

Mostly rolling. We do love climbs, and try to have it on every ride, but that makes up like only 5% of every ride (say, 60km ride, and lots of flat and rolling, and maybe only a 3km climb). While it might not make sense to get a super light climbing (ahem, SLC), it’s really nice to have a light nimble bike beneath me – yeah, more than the climbing prowess, nice feeling to have a light bike il underneath you.

The C5 Aero, however, is looking nice as an all day (ie, 100-200km Audax) bike.

Alfred
Alfred
4 months ago
Reply to  Petr Minarik

Ordered the SLC 3.0 (used your code, too! Thank you for your code!). It should get here (Philippines) in a month, but still have to wait for wheels and other parts – so looks like it will be at least two to three months before it’s on the road (which is okay, because I still have my SLC 2.0 to use anyway).

BTW, I think the Agile (more all around bike) is probably the better fit for me, but I just love the more classic looks of the SLC 3.0. And the round seatpost. So, it wasn’t a purely logical choice, but more like a choice of passion, or what looks more exciting for me.

But in cycling, sometimes it’s the passion you have to follow for more enjoyment of our sport. 🙂

Kassian
Kassian
4 months ago

Maybe it’s my taste, but the rount tube on the SLC 3.0 (mainly the downtube) look almost too thin for my liking. I prefer a bit bigger tubes.
I’m thinking about getting and Agile or the T1550 gen 2 instead.

JRasero
JRasero
2 months ago
Reply to  Kassian

The tubes on the SLC3 while not aero are not round, but oblong. I think people imagine the tubing to be Aethos like in them being round, but again they aren’t

JRasero
JRasero
2 months ago

I had the T1500 and T1550 1st gen and now the SLC3, but never the Agile. I think now with the T1550 2nd gen and SLC3 the Agile is a bit redundant, since the T1550 2nd gen is lighter than the Agile and has relaxed it’s geometry slightly. Also the EPS mold design of the T1550 2nd gen should alleviate the bone rattling backend found on the T1500/T1550 1st gen since that rear triangle was bonded. The SLC3, is the lightest yet and is more akin to an all around lightweight bike in a Giant TCR, Cervelo Soloist, or Canyon Ultimate. Besides handling and differentiating aesthetics I am not sure what the Agile truly brings to the table that the T1550 2nd gen or SLC3 can’t fill.

I really enjoy my SLC3, but I have to say it’s one of the most poorly marketed bikes. They call it an endurance bike but the geometry is still very race like and is very close to a Giant Propel or Cannondale SuperSix. They say it’s an all terrain bike but it just has the industry standard 32mm tire clearance, so nothing all road let alone faux gravel. Maybe they meant all terrain in, mountain climbs and city flats? They briefly remarked that it has 80% of the aero efficiency of the T1550 but don’t clarify if that’s 1st gen or 2nd gen or give any kind of white paper on the wind tunnel testing. The Specialized SL 8 benchmarking is also very odd. Upon release I asked Patrick Lino and Grant from GCPerformance why in their video they referenced the SL 8 and basically they responded that Winspace in their marketing to them kept name dropping the Tarmac. I think David Arthur’s video titled, “Cancel your Specialized Tarmac SL8 Order?!” really had people thinking this was just Winspace’s take on the Tarmac, but when you watch the video the bike came with shallow Hyper 3 D33 and David never really compares the bike directly to a Tarmac, but more compares it to a TCR or even a niche Wilier Verticale. Either way I can say through my own experience the SLC3 is not a Specialized Aethos but on the other hand it’s not all around lightweight aero bike either, but it’s more of your traditional lightweight race bike similar to the TCR, Ultimate, Soloist, and so on. If you understand that, then yeah your expectations should be met.

On another note, I just think the colorways on the Agile suck. The only decent colorway is the white scheme and I wouldn’t say that’s a dynamic look. I just find the tri color faded color schemes to be cheesy and cheap looking. On the other hand there are 3-4 colorways on the T1550 gen 2 that are awesome and while the Superlight Black is boring it’s the most subtle in Winspace branding and is the lightest colorway, plus I really do like the Venom colorway

Guido
Guido
27 days ago
Reply to  JRasero

@JRasero thank you for this.

Guido
Guido
27 days ago

Hi Petr,

Thank you very much for the great content you provide. I really enjoy reading your articles.

I would appreciate your perspective on choosing my next bike.
I am 67kg/180cm 53 years old. Bike size 56 (I guess similar to you).

I ride often (4-5 times/week) but usually not very long rides. Average I would say around 2 hours. When I have time I go for longer rides.
The every day rides are usually hilly. In the weekends I go for climbing tours but the climbs around here are not the Alps…
I think I am naturally a climber but because of the type of rides I do more often I am currently a better puncheur.

I am looking at the Winspace lineup and I like pretty much all of them: Agile, C5 Aero, SLC3 and T1550 2nd gen.

I am still a little confused about differences, especially because what is claimed on the winspace website is often in contrast with reviews I read around, including yours and also some very good comments from other users on this page.
For example, the C5 aero is advertised as endurance, but it is clear it is not.
Some comments below mention that the Agile and T1550 are redundant while Winspace says one is an all rounder and the other a purely race frame.
So I am really confused.

What I think I am really looking for is a sporty all rounder with not too extreme geometry.
If I had to look for a “western” bike I guess something like a Cannondale Supersix.

Could you kindly help me to shed a light on the confusion I have right now?
Thank you!

PS I was also looking at the Yoeleo R12 which I think would fit my need in theory, but it seems not as good at Winspace in terms of quality…

Guido
Guido
15 days ago
Reply to  Petr Minarik

Hi Petr,
thank you for the reply.
A while back I had asked directly to Winspace the difference Agile vs C5 Aero and asked also to clarify confusion about geometry etc. etc.
Finally yesterday they replied.

“For endurance or long-distance events, the C5 aero would be the better choice, balancing performance with a smoother ride.
Agile is more agile and suitable for professional racing drivers.”

If I read this I am a little discouraged from buying an Agile. I am good rider, but far from being a pro (besides being 54 years old).

You have been riding the Agile for a while and also have been in contact with Winspace (I guess).

What is your take on this message I got back?

Thank you
Best,
Guido

Henning
Henning
17 minutes ago
Reply to  Petr Minarik

Hi Petr, Is it possible that the C5 Aero is more endurance-oriented because it uses a different type of carbon? Perhaps the fibers are bonded differently in certain places. Perhaps the frame’s appearance doesn’t reveal its properties. That’s my humble guess. I’m also interested in an endurance bike. The mix of aero and endurance would, of course, be perfect. Best regards, Henning

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