Brand New Scooter Drive Timing Belt # 549-3m-14 Drive Timing Belts are identified by three parameters and marked as follows: 549-3m-14 The first number is the belt length (549 mm / 21.6"), belt has 112 teeth. The second is the pitch (3mm / 0.12"), the peak to peak tooth spacing
The third is the belt width (14mm / 0.55")