Chaine AFAM 420 - 60 links

IMPORTANT :

A string of Dirt bike should always be fat and properly tensioned, the elements require control and regular maintenance, under penalty of having to replace the kit chain prematurely.

To control the amount of travel of the chain, it is necessary to push it up to the top, and then pull it to its maximum towards the bottom, you should perform this measurement in sitting a person on the seat. In fact, Dirt bike on stand, the squat of the rear suspension is ignored, and you could, again, you end up with a chain too tight the risk that it does break to the passage of a bump.

To tighten the chain, it is necessary to move the rear wheel by beginning to loosen the axis of this wheel. It is then very important to verify the reference points of this axis on the swing arm so that the wheel does not come through when you will make it back. Operate progressively on each of the systems of tension of each side of the wheel.

*TIP : You do not know the pitch of your chain, simply measure the thickness of your crown using a vernier caliper.

• Thickness: 5mm to 6mm : 420
• Thickness 7mm to 8mm : not 428