Cycle Downhill Without Turning the Pedals
This page is the CodyCross answer for the clue below from Larger than Life, Group 2143, Puzzle 2 (Black Holes).
Question is: Cycle Downhill Without Turning the Pedals
and the answer is: FREEWHEEL
Word Meaning:
FREEWHEEL — A device in a transmission that disengages the driveshaft from the driven shaft when the driven shaft rotates faster than the driveshaft.
Definitions from Wiktionary.