Features: and Motorcycle Drive Belt. Made of Cortex material,durable in use. Professional manufacturing, high sensitivity, high reliability. A great replacement for the old or damaged one, simple to install. Belt length is the overall size of the belt's loop measured as if the belt were cut between two adjacent teeth and laid out on a flat surface. How To Select Drive Belt: 1.Check The numbers and letters on The Old Belt These numbers and letters may be placed together (3M38412), or they may have dashes or forward slashes between them (3M-3384/12), or they may have the first 5 digits only (3M-384 or 3384M). Other variations are also possible depending on the manufacturers. 2. If you can't find the numbers ane letters printed on belt 1) Measure the length of the belts loop 2) Measure the distance from peak to peak of two adjacent belt teeth 3) Measure the width of the belt Specifications: Condition: Brand New Material: Cortex Color: Black Teeth number:128 Belt length:384mm (15-1/8") Peak Distance Between Two Adjacent Belt Teeth:3mm(1/8") Width Of Belt:12mm (7/16") Package List: 1 * Belt