... , scooter belts, 2 stroke engine belts CR or EPDM, PU or Kevlar cord, 743-20-30, pass 200 hours machine test motorcycle ... belts, scooter belts, 2 stroke engine beltsCR or EPDM, PU or Kevlar cord, 743-20-30,pass 200 hours machine testCharacteristics: auto ... . Exact running performance3. Very long service life4. EPDM rubber and Kevlar cord available 5. AX, BX,CX, PH,PJ,PK, PL ...