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I got a look keo classic 3 road pedals and I'm looking to buy a pair of Promend road cleats. Will these be compatible and fit my Fizik Tempo R5 road shoes? I've attached the picture of the pedals and the road cleats.

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  • Did your pedals come with a pair of cleats? If the off-brand cleats only last half as long then that might be balanced by costing less than half of the branded ones. – Criggie Dec 11 '20 at 22:34
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You know the debate between OEM and aftermarket parts in auto insurance and repair? There’s a bit of that issue going on here, but I would generally come down more on the OEM side.

Exustar and Xpedo are two companies that make pedals and cleats based on Look’s Keo system. I don’t know if these are/were licensed copies, where they went to Look and paid a fee, or if the Keo system is off-patent and no licensing was involved. Those two companies are well known, however. In fact, James Huang at Cyclingtips actually recommended using Exustar cleats with Look pedals.

I am not aware of Promend having such a history with aftermarket manufacturing. At a casual glance, I saw their stuff being sold on Aliexpress, so I’d assume they’re based in mainland China. I recently was browsing Amazon, and I saw a bunch of SPD-SL cleats being offered by off-brand manufacturers (I believe the SPD-SL patent expired recently, so this is presumably legal) as well. With any non-OEM part, here are the ways it could vary from the OEM version:

  1. The physical dimensions of the part might not be identical. If you read the Cyclingtips article, Huang essentially says that the Exustar cleat has different dimensions than the OEM cleat, only in that case it’s an advantage. It eliminates the side to side rocking that some people have reported.
  2. The tolerances of the part could be different. Tolerance is frequently used as a synonym for variance in this setting. Here, the parts might vary in size more than the OEM stuff, e.g. you have more cleats that are a bit too small, and fit sloppily.
  3. The materials could be different. Perhaps the plastic is poorer quality and wears faster.

Without a history, I would assume that the Promend cleats will fit in your Look pedals. However, given the lack of history and the fact that they’re probably a low-cost producer, it’s more likely that they will not work as well.

I don’t necessarily mean this post as a condemnation of aftermarket parts in cycling. There are numerous known good aftermarket parts. Kool Stop pads for rim brakes are one - in fact, many posters flout this site’s rule against product recommendations in this one case, because they are objectively that good. For chains, KMC are known to produce decent chains. YBN is less well known in this space, but I have read good reviews of its chains and quick links. Jagwire does produce good cable sets. All these units are either more cost effective than OEM equipment and still perform close or equal, or in a few cases they may actually be better.

As to the cleats, I realize that the off brand stuff is half the price of the OEM cleats. Nonetheless, OEM cleats are still cheap, as are cleats from the known good aftermarket manufacturers. And they are one of your contact points with the bicycle, and you don’t really want your cleats squirming around in ways that they shouldn’t (I.e. exhibiting play) because the tolerances were poor or because the plastic was junk. Life is too short to use junk aftermarket cleats.

This is not a knock on manufacturing in China, either. The Macbook Pro I'm typing this answer on was made in China, and it was made quite well apart from the issue with the butterfly keyboards - but that was a poor design choice, and that originated with Jony Ive at Apple HQ in California. Most carbon frames are manufactured in China, and the cream of the crop factories produce really good frames. With high quality items produced in China, someone has researched which factories to use, they presumably do some of their own quality control in addition to any QC done at the factories, and they are willing to put their name and address on the Internet and to stand behind their products. Who on earth is Promend? Do they offer a warranty? My issue is more with products from anonymous sellers on Aliexpress.

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  • Thank you, I've decided to go with look keo grip cleats instead. – Fenzox Dec 11 '20 at 14:43
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The cleats appear to be the same as Look KEO. This is a standard format, and there are many aftermarket cleats made by third parties which are compatible.

Read the text and search for "KEO compatible" to be sure, or compare them with this stock photo:

https://www.wigglestatic.com/product-media/5360041263/look-keo-cleats-grey.jpg

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  • Standard 3 hole shoes will fit, but be weary with after-market cleats because of tolerances. They might not fit as perfectly as the original cleats. Especially if you're new to clipless you could have problems engaging and more crucially when disengaging. Until you're comfortable with the system use the original! – Carel Dec 11 '20 at 8:52

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