A distinction is made between external length (Le for short), internal length (Li for short) and pitch length.
Drive Belt JT Standard For Yamaha XC 125 X Cygnus X 4P95 2009
Drive Belt JT Standard Fits SYM Jet4 125 2017-2020
Drive Belt JT Standard Fits Piaggio Liberty 125 2014-2023
sourcingmap K-21 V Belt Machine Transmission Rubber, Black Replacement Drive Belt 21 inch Pitch Girth 8mm Width 6mm Height JIS Standard
sourcing map K-28 V Belt Machine Transmission Rubber, Black Replacement Drive Belt 28 inch Pitch Girth 8mm Width 6mm Height JIS Standard
sourcing map K-20 V Belt Machine Transmission Rubber, Black Replacement Drive Belt 20 inch Pitch Girth 8mm Width 6mm Height JIS Standard
