Winspace LUN Hyper 65 Carbon Wheelset Review

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Winspace Hyper 65


Winspace is a company based in Xiamen, China that has come from virtually totally unknown outside of it’s home market to being quite a dominant player in the world of high performance bicycle wheels. Two years ago, the original Hyper 50 wheel was released to the public, since it’s initial released it has gained the reputation of being amongst the fastest and if not the fastest 50mm deep wheel on the market.

Since the success of the Hyper 50, Winspace has taken some steps to sharpen their brand image within the marketplace and that includes implementing differentiation between their frames (Winspace) and their sub wheel brand LUN.

65mm Carbon Rims

The wheelset tested was a rim brake variant. A disc brake wheelset is also available.

The Hyper 65 is an extension of the 50, the maximum rim width and internal diameter are largely unchanged. The rim depth has been extended at approximately 30% cord. It doesn’t appear to be an overall extension across the entire cord length. The aerodynamic purists will probably argue the case over a few nanowatts but from a practical perspective, the differential is likely to be minimal.

The rims feature a flat finish as opposed to the butterfly weave of the Hyper 50 which has become a signature aesthetic of Winspace. A basic check of the wheels was carried out and there were no appreciable voids or defects in the main body. No test is totally full proof but given the large number of wheels that are presently in the market and the lack of any rim failures, there is a strong case to state these wheels are mechanically proven by way of usage statistics.


The spokes are of the same design as the Hyper 50, albeit slightly shorter. They are carbon along 90 percent of the length and feature metal inserts at the ends, the carbon section is flat bladed and has moderate width, they are not as wide as the Farsports Ventoux. There have been reports of carbon spokes failing from the joint between the carbon and the metal inserts. Both the Hyper 65 and the Hyper 50s have been extensively tested and there has been no sign of this failure mechanism occurring. Additionally, internet searches have not yielded any results.

Despite abusive use during riding, there has been no loss of spoke tension or any subsequent tensioning over the testing duration.


The rim brake hubs are of aluminum construction. Winspace have these made to their own specification by a third party. They are of a very similar design to the Farsports Ventoux hubs and share the same bearing arrangement. The hubs consist of 17mm aluminum axles supported on individually “sprung” end caps. These end caps can easily be changed to go from QR to Thru Axles. It’s good to see the use of a 17mm axle, this is the largest diameter (and therefore stiffest) axle that can comfortably fit into the space available.

The hubs use a combination of 6803 and 6903 bearings. A table showing the distribution is below

LocationAs Found FitBearing Type
Front Hub Drive SideM76803
Front Hub Non Drive SideM76803
Rear Hub Drive SideN76903
Rear Hub Non Drive SideM76803
Freehub Drive SideM76803
Freehub Non Drive SideM76803
Bearings for Winspace 65 Rim Brake

The hubs and axles exhibited good manufacturing tolerances. The fits on the bearings were perfectly acceptable and there was no hint of under sizing. There was a slightly elevated fundamental train frequency in the 6903 bearing at startup but this soon settled. After 4000km, the same 6903 bearing exhibited vibration levels that were indicative of a forthcoming failure. A damaged race was detected at 4000km which was almost certainly the result of contaminant damage.

Aerodynamic Performance

From an aerodynamic perspective, the bicycle industry is probably the only industry where people are told that something that has a larger frontal area is more aerodynamic and the marketing is so effective that they believe it. Any aerodynamicist worth their salt would try and reduce frontal area wherever possible.

The Hyper line of wheels goes against the mold when it comes to rim geometry. Whilst the industry is going towards wider wheels (30mm+). Winspace has bucked that trend and uses a rim that is little over 26mm wide. This makes the wheel inherently more aerodynamic than it’s peers. It also uses flat bladed spokes that improve on the turbulent losses generated by spokes. One of the elements where a possible gain is available is the use of hidden nipples – whilst aerodynamically this is superior, from a manufacturing and maintenance perspective, this creates an unwanted headache hence the use of exposed nipples is welcome.

The Hyper 65 and 50 share common features including the much acclaimed hook geometry where a clincher seats, this has a tendency to trip the airflow and result in delayed separation. The Hyper 50 benefits from this effect because it has a much sharper taper due to it’s reduced depth. For a deeper rim and thus shallower taper, the benefit is less pronounced on the Hyper 65.

The overall aerodynamic performance of the wheel is better than the Hyper 50 but it’s not dramatically better. It is still the best 65mm wheel in it’s class. Straight line speed would be higher in idealized conditions but in gusty flow, the Hyper 50 is probably a better proposition (the straight line penalty is not that high). It also proves just how good the Hyper 50 is. You can see the charts at 30km/h and 50km/h

Aerodynamic stability is governed primarily by the rim depth and it’s unsurprising that these wheels have a reduced stability window versus wheels of a shallower depth.

Structural Performance, Integrity and Build Quality

These wheels are very stiff. Carbon has little flex and given they are 65mm deep – the flexible component – the spoke length is shortened. The test wheels were readily abused, they were ridden across rutted roads and even ridden on flat tires. Nothing on the wheels broke or had any signs of breaking.

After 4000km of abuse, the only thing that was noticeable was a defect on the inner race of the 6903 bearing on the rear hub. It is likely that this defect was caused by contamination through a lack of maintenance (none was carried out) and abuse that a normal wheelset would be subjected to.

Additional Images

Overall Conclusion

There is little doubt these wheels can be recommended, they are fast, well made wheels but Winspace probably have a little more they could extract and whilst it is the fastest 65mm wheel around. It is not much faster than their 50mm offering, it is slightly heavier and offers a smaller operating window before the wheel becomes unstable. For most users the 50mm would probably be a better option or the use of a 50mm front and a 65mm (or deeper) rear. The aerodynamic benefits from the 50mm are still present on the 65mm but those subtle aerodynamic features that greatly improved the shallower wheel have less effect at deeper rim depths and the physical geometry assumes dominance.

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COMMENTS! Please leave a reply to add to the discussion! NO NEED TO REGISTER!


  1. Hambini, any thoughts on the cheaper Lun wheelset available from Winspace? Either on the specs or plans to review in the future. Seems a steal at $800. I’d expect the Hypers to be good as they’re not exactly cheap

    1. I doubt there would be that much difference. WHen you get to a certain point the added expenditure makes a difference but it tapers down. The hyper is a very good wheel and for the performance, I would say it’s good value.

    2. Hi Hambini, any opinion on the Scribe Wide 38 carbon wheels? I am looking for an honest and real opinion! How would they compare against Hunt wheels? Hope anyone has an opinion. These are around 1000 USD, seems to be somewhat affordable, prices on carbon wheels on the clouds, difficult to justify too. Thank you.

  2. Hey, what are your thoughts on the new Hyper 2023 R45 from Lun. They moved to the wider rim profile which seems to go against what you claim is part of their aerodynamic advantage. They have also moved to a narrower profile on their rear rims which sounds to have some merit, but really curious if it improves performance? Also curious if you think a 15% increase in stiffness would be noticeable? Long story short are the changes to their 2023 models positive changes?

    1. I think going to a wider rim is the market forcing them to do it. People are moving to wider tires and as a result the rim suppliers are making their rims wider. Give it a few years and I think it will go back the other way.

  3. Bro! Love the videos! I am engineer myself and just love it when an engineer ripping the truth into the blind believers!

    Will you able to comment on those “jaggerred” or “saw tooth” profiles aero wheelsets such as the ZIPPS 454/858 or the Princeton Carbon Work wheels. Are real or are they just some marketing myth?


  4. Thank you for another great review Hambini. I currently ride Mavic CXR60 (tubular with own strips) which performed very well in your test, but I am considering those Hyper wheels as well.
    Would you get Hyper 50 or 65 over CXRs when considering aero performance (and possibly much lower rolling resistance with clincher tyres)?


  5. Interesting article. My mad fibre wheels are approaching an end so I will be shopping soon. I will miss them though as they were my bucket list wheels when I bought them

    1. If you need the braking performance, you are better off with the Farsports Ventoux. The cut brake track makes a big difference, especially in the wet.

  6. Any thoughts on how the Hyper 2020 wheels (50 & 65’s) compare to the 2023 versions (45 & 67’s)?
    The only difference I can see is a slightly larger internal and external rim width on the 2023 versions.

  7. Would it be possible to use freehubs from more generic brands found in the US on the Hyper wheels? Currently need to switch to a 11s freehub on short notice and do not think Winspace could ship in time.

    1. You can, assuming you can find one that has the same ratchet spacing and size. That is much easier said than done.

  8. Hey there Hambini! Love your content and onesty.
    After mich thought and reviews i cant deine betwin Hyper 45 (2023) or the 67 (2023). I am 172cm, 75kg and I ride 70% on flat and 30% on the hills near Vienna. Your recomandation will be very much appreciated. Thank you so, so much:)

    1. I would get the 45 or more preferable would be the Elitewheels, they have a very low inertia so they would be ideal on hills.