Compatibility Look-Keo/Look/SPD-Sl Plates & Pedals

Look Keo 2 and Look Keo are Look's current/previous range and they are compatible with each other.

Look Delta are Look's earlier range. I'm afraid they are not compatible with Keo's or Keo 2's

SPD-SL are Shimano's version of road pedals. These aren't compatible with Look products, (neither therefore are Look products compatible with them).

Checking out Look's web site, you don't see Delta pedals on there any more, but if you look at the various Keo pedals, they are clearly a different shape to yours.

Doing a quick web search for Look Delta reveals many images, including some on this page (Exustar pedals which are compatible with Delta's - I haven't embedded the image here in case there are copyright issues). What do you think?

Note lastly that even within the "Look Delta" genre, you can buy different cleats. The difference between them is how much your foot is allowed to move whilst in the pedal (known as floating). Red cleats offer 9° float, whilst Black cleats are fixed (0°). The general rule is to go for the more flexible red cleats unless you have a reason to do otherwise. (This applies to spd-sl and keo also, in fact for spd-sl there are three options.)

Actually the Look Delta are the oldest LOOK System i could buy in any shop. None of the shop owners/employees knew any other older system before keo. And the Deltas worked for all the old LOOK Pedals i had (i have 6 different old LOOK Pedals).

Took them for a tiny spin (~40km) and had no problems whatsoever.

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Update: Got an E-Mail from a brand manager for LOOK who wrote:

keo cleats are NOT compatible with these old Look pedals. You will need the Look Delta cleats which are available either in black (no movement) or red (9° movement). [..]

These pedals appear to the Look PP66 - use the Delta cleats for them. The red cleats give you rotational float, black for fixed position. As others have pointed out, the Keo cleats cannot be used, as they are smaller and a different shape than the Delta.