Crossword Genius

Muscles shown by cycling team (5)

Ross

I believe the answer is:

quads

I'm a little stuck... Click here to teach me more about this clue!

'muscles' is the definition.
(quad is a kind of muscle)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Another definition for quads that I've seen is " Double 17".)

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