The chain was the vital component in continuing the machine power to the wheel. Needed by the good use so that the durable chain. One of the good use methods was with always ascertained the wheel behind really exact in his symmetry. By arranging the nut alignment, confirmed that the measurement of the mount alignment the left-hand and right chain was appropriate and had the scale that was same to the swing arm (swing arm). When inexact will be affected by the weathering of the chain because of the side friction of the chain with sprocket him. The chain also must always lubricating. To lubricating the chain did as follows: Clean with detergent oil by using the hand afterwards dropped adequate oil. Did not need too many because will facilitate clung him the waste. For the type of the chain that used o-ring (sealed the type), in the chain has been gotten grease so as might not often lubricating. And to clean him might not use the petrol or the other damaging liquid rubber because will damage o-ring. Destruction o-ring will make grease available inside was thrown away went out and lubrication