Question: what is 2u 3u in badminton?
Answer: A majority of racket manufacturers use 1U, 2U, 3U, 4U to indicate the weight of the racket, 1U being the heaviest and 4U the lightest. ... Most racket manufacturers provide four grip sizes. In Japan, they range from G2, G3, G4 to G5 where G2 is the biggest size and G5 is the smallest size.