
JT 520HDS 13/48 super-reinforced chain kit - ultra-light mud-resistant sprocket by JT DRIVE CHAIN, designed for motocross riders seeking a robust and competition-specific off-road transmission. This kit combines a 520 HDS chain with XS-Ring seals and an ultra-lightweight rear sprocket made of mud-resistant aluminum to minimize dirt accumulation on technical trails.
Designed for motocross conditions, this kit is aimed at riders who want a robust and lightweight transmission. The aluminum sprocket reduces unsprung weight and facilitates mud evacuation, while the HDS chain with XS-Ring ensures smooth operation protected from contaminants. Compatible with the listed 125 cc machines, including FANTIC XX 125 (2022), YAMAHA YZ 125 (CE16) (2021), and FANTIC XE 125 (2022).
Upgrade your transmission with a set designed for off-road: precision assembly, terrain-appropriate materials, and a racing look with a black/steel finish.