Rear sprockets ergal Motocross Marketing chain 520 for KTM 250 EXC-F 07-25 R-SERIES self-cleaning black color

The Motocross Marketing ergal sprockets are made of ERGAL 7075T6 aluminum alloy, entirely machined by chip removal on CNC machines. Thanks to the milling at the base of the teeth, they generate centrifugal self-cleaning, thus allowing the chain to work on the entire surface of the tooth when used on muddy ground.

Available in black, red, blue, aluminum and orange colors depending on the bike model.

Breaking load 53 ÷ 58 kg/mm, hardness 160 HB.