When cycling, criticise noiseless wheels (5)
I believe the answer is:
tesla
'wheels' is the definition.
Although both the answer and definition are singular nouns, I cannot see how one could define the other.
I cannot understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for tesla that I've seen before include "SI unit; steal (anag.)" , "Physicist" , "Unit of magnetic flux density" , "Inventor" , "Californian company specialising in electric cars" .)