Li-Ning Gforce Superlite series is made with strong material know as ultra carbon fiber. This material gives excellent rigidity to sustain impact load at very low weight.Li-Ning's Unique Super Lightweight technology could reduce air resistance and enhance swing speed drastically. “Fast as wind, light as feather”, your swing will be more sensitive and flexible.This Gforce 3500 Superlite badminton racket is a 78 gram racket and comes in 2 colors. This racket is very good alternative of Yonex Nanoray 18i.