Bit of a bracelet (4)
I believe the answer is:
bead
'bit of a bracelet' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for bead that I've seen before include "Necklace element" , "Part of a necklace" , "Drop of liquid on a surface" , "Glass ball" , "Small drop of moisture" .)