They don't...! It's apparently a crankset you can strap a power meter to instead of having to buy the whole shebang.
Can I buy one because it's pretty?
If you like it, then really, buy it. No point asking here, you'll always get contradictory answers.
@Chak started
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They don't...! It's apparently a crankset you can strap a power meter to instead of having to buy the whole shebang.
Can I buy one because it's pretty?