What model is this middleburn chainset ?

big.eck

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MacRetro Rider
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I’m useless when it comes to Id-ing things like this lol been looking online and I think they’re rs2’s ? Had them hanging up for ages as they don’t go with any of my builds so trying to figure out what model they are and I’ll get them listed on here
 

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My_Teenage_Self

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RS2.

Flat spider = RS1 or RS2.

RS1 arms have a more rounded appearance, especially at the pedal end.

RS3 have a concave spider held on by the 3 small bolts, RS7 look similar to RS3, but spider is held on by a lockring, and the arms are forged.
 
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