REAR SPROCKET WITH VARIETY OF TEETH LINE-UP AND REASONALBLE PROCE FOR BEST TUNING.
●HIGH TENSILE STRENGTH STEEL WITH HIGH DURABILITY IS ADAPTED.
●INSPECT EVERY 1000 km AND EXCHANGE WHEN FOUND TAPERED. DAILY MAINTENANCE LIKE OIL LUBRICATING IS RECOMMENDED.
 
○420 SIZE
※CONCAVE SIDE FACES OUTSIDE (TEETH STAMPED)
※SPEED PULSE CONVERT UNIT REQUIRED WHEN CHANGING SPROCKET TEETH
 
Honda 125 Grom 2021+ Standard Sprocket Sizes 15/38 & Chain 420x108L
Honda 125 Monkey 2021+ Standard Sprocket Sizes 14/37 & Chain 420x98L