+1 IMO, unless you're pretty short and the crank is clearly too long. I can't imagine a benefit in shortening your cranks by 3%. If they are to long, consider going shorter than you propose to make the change worth the cost.
Assuming you decide to change, I advise staying with the same cranks. I'm a big believer that simpler is better, and only use adaptors of all kinds as plan B options.
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