
EK/JT 520MRD7 13/50 Chain Kit - Ultra-Light Sprocket
High-performance motocross chain specifically designed to minimize friction while providing traction and abrasion resistance suited to the demands of enduro and motocross terrains. This kit combines a robust 520 chain with an ultra-light aluminum sprocket to reduce unsprung mass without compromising jump handling or transmission precision.
Ideal for motocross riders looking to reduce rear-end inertia and improve bike feel when exiting corners or landing jumps. Easy installation on compatible 520 drivetrains; check the number of links for adjustment. Application examples: YAMAHA YZ 125 (1993 - 125 cc).